vitorpy.com
Noreposts Feed
Rewrite README.md with comprehensive documentation
Closes #3
Major improvements:
- Added table of contents for easy navigation
- Enhanced Features section with emojis and clearer descriptions
- Added 'How It Works' section explaining the system flow
- Comprehensive installation and configuration guide
- Detailed deployment section with systemd service and reverse proxy configs
- Complete publishing guide with both CLI and manual methods
- Architecture diagrams and code structure documentation
- Full API endpoint documentation with examples
- Performance metrics and scalability information
- Expanded troubleshooting section with solutions
- Development guidelines and contribution instructions
- Enhanced resource links and acknowledgments
The README now provides everything needed to:
- Understand the project and its architecture
- Set up and run the feed generator locally
- Deploy to production with proper configuration
- Publish feeds to Bluesky
- Troubleshoot common issues
- Contribute to the project
+466
-125
README.md
+466
-125
README.md
···
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# Following No Reposts Feed Generator
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A Rust-based Bluesky feed generator that shows posts from people you follow, excluding all reposts. Built using Jetstream for efficient real-time data consumption.
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A production-ready Bluesky feed generator written in Rust that shows posts from people you follow, excluding all reposts. Built using Jetstream for efficient real-time data consumption with full JWT signature verification.
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## Table of Contents
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- [Features](#features)
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- [How It Works](#how-it-works)
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- [Prerequisites](#prerequisites)
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- [Installation](#installation)
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- [Configuration](#configuration)
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- [Running Locally](#running-locally)
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- [Deployment](#deployment)
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- [Publishing Your Feed](#publishing-your-feed)
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- [Architecture](#architecture)
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- [API Endpoints](#api-endpoints)
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- [Performance](#performance)
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- [Development](#development)
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- [Troubleshooting](#troubleshooting)
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- [Contributing](#contributing)
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- [License](#license)
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## Features
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- **Efficient Jetstream Integration**: Uses Bluesky's Jetstream service for lightweight, filtered event consumption
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- **No Reposts**: Automatically filters out all reposts, showing only original posts
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- **Personalized**: Shows only posts from accounts you follow
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- **Real-time**: Updates in real-time as new posts and follows are created
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- **Memory Efficient**: Automatic cleanup of old posts (configurable retention period)
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- **Production Ready**: Includes proper JWT authentication, error handling, and logging
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- **🚫 No Reposts**: Automatically filters out all reposts, showing only original content
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- **👥 Personalized**: Shows only posts from accounts you follow
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- **⚡ Real-time**: Updates in real-time as new posts are created
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- **🔒 Secure**: Full ES256K JWT signature verification with DID resolution
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- **📡 Efficient**: Uses Jetstream for lightweight event consumption (~850 MB/day vs 200+ GB/day)
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- **🗄️ Smart Caching**: Automatic cleanup of posts older than 48 hours
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- **🔄 Auto-recovery**: Automatic reconnection on Jetstream disconnects
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- **📊 Observable**: Structured logging with configurable verbosity
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- **🏗️ Production Ready**: Battle-tested error handling and recovery mechanisms
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## Architecture
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## How It Works
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The feed generator consists of several components:
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This feed generator:
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1. **Jetstream Consumer**: Connects to Bluesky's Jetstream and consumes `app.bsky.feed.post` and `app.bsky.graph.follow` events
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2. **Database Layer**: SQLite database for storing posts and follow relationships
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3. **Web Server**: Axum-based HTTP server that implements the feed skeleton API
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4. **Feed Algorithm**: Generates personalized feeds based on user follows
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5. **Authentication**: JWT validation for personalized feeds
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1. **Consumes Events**: Connects to Bluesky's Jetstream to receive real-time events for posts and follows
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2. **Filters Content**: Only subscribes to `app.bsky.feed.post` and `app.bsky.graph.follow` collections
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3. **Stores Data**: Maintains a local SQLite database of recent posts and follow relationships
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4. **Serves Feeds**: Provides personalized feeds via AT Protocol's `app.bsky.feed.getFeedSkeleton` endpoint
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5. **Authenticates Users**: Validates JWT tokens by resolving user DIDs and verifying signatures
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## Prerequisites
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## Setup
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- **Rust** 1.70+ (install via [rustup](https://rustup.rs))
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- **SQLite** 3.35+ (usually pre-installed on modern systems)
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- **Domain** with HTTPS (required for production deployment)
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- **Bluesky Account** (for publishing the feed)
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### 1. Prerequisites
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## Installation
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Ensure you have Rust installed:
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### 1. Clone the Repository
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```fish
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curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
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```bash
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git clone https://github.com/vitorpy/noreposts-atproto-feed.git
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cd noreposts-atproto-feed
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```
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### 2. Clone and Build
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### 2. Build the Project
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```fish
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git clone <your-repo>
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cd following-no-reposts-feed
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```bash
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cargo build --release
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```
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### 3. Configuration
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The compiled binary will be at `target/release/following-no-reposts-feed`.
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Copy the example environment file and configure it:
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## Configuration
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### Environment Variables
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```fish
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cp .env.example .env
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nvim .env
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```
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Create a `.env` file in the project root (see `.env.example` for reference):
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```bash
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# Required: Database location
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DATABASE_URL=sqlite:./feed.db
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Required environment variables:
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- `FEEDGEN_HOSTNAME`: Your domain where the feed will be hosted
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- `FEEDGEN_SERVICE_DID`: Your service DID (usually `did:web:your-domain.com`)
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- `DATABASE_URL`: SQLite database path
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- `PORT`: Server port (default: 3000)
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# Required: Server port
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PORT=3000
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### 4. Database Setup
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# Required: Your domain name
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FEEDGEN_HOSTNAME=your-domain.com
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The database will be automatically migrated on startup, but you can run migrations manually:
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# Required: Your service DID
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FEEDGEN_SERVICE_DID=did:web:your-domain.com
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```fish
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cargo install sqlx-cli
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sqlx migrate run
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# Optional: Jetstream server (defaults to jetstream1.us-east.bsky.network)
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JETSTREAM_HOSTNAME=jetstream1.us-east.bsky.network
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```
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### 5. Run the Feed Generator
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### Service DID Setup
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Your `FEEDGEN_SERVICE_DID` should match your domain. For `did:web`, it's typically:
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- Domain: `feed.example.com` → DID: `did:web:feed.example.com`
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- Domain: `example.com` → DID: `did:web:example.com`
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```fish
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## Running Locally
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### Quick Start
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```bash
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# Set up environment
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cp .env.example .env
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# Edit .env with your configuration
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nano .env
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# Run the server
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cargo run --release
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```
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Or with custom parameters:
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The server will:
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1. Automatically run database migrations
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2. Connect to Jetstream and start consuming events
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3. Start the HTTP server on the configured port
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4. Serve the DID document at `/.well-known/did.json`
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### Testing Locally
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```bash
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# Test DID document endpoint
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curl http://localhost:3000/.well-known/did.json
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```fish
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cargo run --release -- --port 3000 --hostname your-domain.com
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# Test feed endpoint (requires authentication in production)
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curl "http://localhost:3000/xrpc/app.bsky.feed.getFeedSkeleton?feed=at://did:web:your-domain.com/app.bsky.feed.generator/following-no-reposts&limit=10"
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```
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### Command-Line Options
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```bash
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# Override environment variables
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./following-no-reposts-feed --port 8080 --hostname feed.example.com
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# Run database migrations only
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./following-no-reposts-feed migrate
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# Publish feed to your Bluesky account
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./following-no-reposts-feed publish \
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--handle your-handle.bsky.social \
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--password your-app-password \
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--record-name following-no-reposts \
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--display-name "Following (No Reposts)" \
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--description "See posts from people you follow, without any reposts"
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# Backfill posts from firehose (optional)
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./following-no-reposts-feed backfill --cursor <cursor-value>
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```
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## Deployment
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### 1. Build for Production
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```fish
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cargo build --release
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```bash
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cargo build --release --locked
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```
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### 2. Set Up Your Server
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Transfer the binary to your server:
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```bash
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scp target/release/following-no-reposts-feed user@your-server:/opt/feed-generator/
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```
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### 2. Deploy to Your Server
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### 3. Create a Systemd Service
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The binary needs to be accessible via HTTPS on port 443. You can use any reverse proxy (nginx, caddy, etc.) to handle TLS termination.
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Create `/etc/systemd/system/feed-generator.service`:
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Example nginx configuration:
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```ini
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[Unit]
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Description=Bluesky Feed Generator - Following No Reposts
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After=network.target
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[Service]
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Type=simple
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User=feedgen
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WorkingDirectory=/opt/feed-generator
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Environment="DATABASE_URL=sqlite:/opt/feed-generator/feed.db"
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Environment="PORT=3000"
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Environment="FEEDGEN_HOSTNAME=your-domain.com"
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Environment="FEEDGEN_SERVICE_DID=did:web:your-domain.com"
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ExecStart=/opt/feed-generator/following-no-reposts-feed
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Restart=always
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RestartSec=10
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[Install]
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WantedBy=multi-user.target
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```
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Enable and start the service:
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```bash
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sudo systemctl daemon-reload
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sudo systemctl enable feed-generator
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sudo systemctl start feed-generator
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sudo systemctl status feed-generator
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```
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### 4. Configure Reverse Proxy
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The feed generator must be accessible via HTTPS. Configure your reverse proxy:
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#### Nginx
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```nginx
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server {
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listen 443 ssl;
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listen 443 ssl http2;
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server_name your-domain.com;
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ssl_certificate /path/to/cert.pem;
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ssl_certificate_key /path/to/key.pem;
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ssl_certificate /etc/letsencrypt/live/your-domain.com/fullchain.pem;
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ssl_certificate_key /etc/letsencrypt/live/your-domain.com/privkey.pem;
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location / {
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proxy_pass http://localhost:3000;
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proxy_pass http://127.0.0.1:3000;
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $scheme;
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# WebSocket support for Jetstream
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proxy_http_version 1.1;
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proxy_set_header Upgrade $http_upgrade;
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proxy_set_header Connection "upgrade";
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}
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}
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```
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### 3. Publishing the Feed
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#### Caddy
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```caddyfile
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your-domain.com {
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reverse_proxy localhost:3000
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}
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```
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### 5. Verify Deployment
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```bash
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# Test DID document
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curl https://your-domain.com/.well-known/did.json
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# Check if feed endpoint is accessible
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curl https://your-domain.com/xrpc/app.bsky.feed.getFeedSkeleton
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```
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## Publishing Your Feed
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Once your feed generator is deployed and accessible via HTTPS:
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### Method 1: Using the Built-in Publish Command
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```bash
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./following-no-reposts-feed publish \
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--handle your-handle.bsky.social \
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--password your-app-password \
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--record-name following-no-reposts \
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--display-name "Following (No Reposts)" \
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--description "See posts from people you follow, without any reposts" \
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--avatar ./avatar.png
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```
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**Note**: Use an [App Password](https://bsky.app/settings/app-passwords), not your main account password!
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### Method 2: Manual Publishing
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1. **Get your DID**:
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```bash
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curl "https://bsky.social/xrpc/com.atproto.identity.resolveHandle?handle=yourhandle.bsky.social"
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```
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2. **Create a session**:
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```bash
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curl -X POST https://bsky.social/xrpc/com.atproto.server.createSession \
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-H "Content-Type: application/json" \
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-d '{"identifier": "yourhandle.bsky.social", "password": "your-app-password"}'
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```
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3. **Publish the feed generator record**:
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```bash
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curl -X POST https://bsky.social/xrpc/com.atproto.repo.putRecord \
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-H "Authorization: Bearer YOUR_ACCESS_JWT" \
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-H "Content-Type: application/json" \
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-d '{
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"repo": "your.did",
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"collection": "app.bsky.feed.generator",
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"rkey": "following-no-reposts",
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"record": {
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"$type": "app.bsky.feed.generator",
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"did": "did:web:your-domain.com",
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"displayName": "Following (No Reposts)",
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"description": "See posts from people you follow, without any reposts",
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"createdAt": "2025-01-01T00:00:00.000Z"
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}
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}'
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```
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Use the Bluesky API to publish your feed generator. You'll need to create a feed generator record in your account:
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### Finding Your Feed
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```fish
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# Get your account DID
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curl "https://bsky.social/xrpc/com.atproto.identity.resolveHandle?handle=yourhandle.bsky.social"
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After publishing, your feed will be available at:
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# Publish the feed (you'll need to implement this using atrium-api or similar)
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```
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https://bsky.app/profile/yourhandle.bsky.social/feed/following-no-reposts
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```
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## API Endpoints
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## Architecture
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### GET /.well-known/did.json
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### System Components
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Returns the DID document for your feed generator service.
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```
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┌──────────────┐ ┌──────────────┐ ┌──────────────┐
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│ Jetstream │────────▶│ Consumer │────────▶│ Database │
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│ (WebSocket) │ Events │ (Async) │ Store │ (SQLite) │
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└──────────────┘ └──────────────┘ └──────────────┘
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│
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│ Read
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▼
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┌──────────────┐ ┌──────────────┐ ┌──────────────┐
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│ Bluesky │────────▶│ HTTP Server │────────▶│ Feed │
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│ App │ JWT │ (Axum) │ Query │ Algorithm │
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└──────────────┘ └──────────────┘ └──────────────┘
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```
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### GET /xrpc/app.bsky.feed.getFeedSkeleton
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### Code Structure
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Main feed endpoint that returns the skeleton of posts for the requesting user.
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- **`main.rs`**: Application entry point, HTTP server setup, routing
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- **`jetstream_consumer.rs`**: WebSocket client for Jetstream events
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- **`database.rs`**: SQLite abstraction layer, queries, and migrations
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- **`feed_algorithm.rs`**: Feed generation logic (filtering by follows, excluding reposts)
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- **`auth.rs`**: JWT validation with ES256K signature verification
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- **`backfill.rs`**: Optional historical data backfilling from firehose
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- **`publish.rs`**: Feed generator publishing utilities
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- **`admin_socket.rs`**: Unix socket for admin commands
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- **`types.rs`**: Shared data structures
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Query parameters:
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- `feed`: The AT-URI of the feed (required)
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- `limit`: Number of posts to return (optional, max 100)
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- `cursor`: Pagination cursor (optional)
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### Data Flow
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Headers:
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- `Authorization`: Bearer JWT token for user authentication
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1. **Event Ingestion**: Jetstream sends `commit` events when posts are created or follows happen
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2. **Event Processing**: Consumer parses events and extracts relevant data
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3. **Database Storage**: Posts and follows are stored in SQLite with TTL
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4. **Feed Requests**: Bluesky app requests feed via `getFeedSkeleton`
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5. **Authentication**: JWT is validated by resolving DID and verifying signature
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6. **Feed Generation**: Algorithm queries posts from followed users, excludes reposts
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7. **Response**: Ordered list of post URIs returned with pagination cursor
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## Performance
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## API Endpoints
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### Data Usage
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### `GET /.well-known/did.json`
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Using Jetstream significantly reduces bandwidth compared to the raw firehose:
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- **Jetstream**: ~850 MB/day for all posts (with compression)
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- **Raw Firehose**: 200+ GB/day during high activity periods
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Returns the DID document for the feed generator service.
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### Filtering Efficiency
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**Response**:
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```json
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{
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"@context": ["https://www.w3.org/ns/did/v1"],
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"id": "did:web:your-domain.com",
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"service": [{
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"id": "#bsky_fg",
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"type": "BskyFeedGenerator",
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"serviceEndpoint": "https://your-domain.com"
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}]
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}
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```
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The feed generator only subscribes to relevant collections:
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- `app.bsky.feed.post` - for post creation/deletion
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- `app.bsky.graph.follow` - for follow relationships
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### `GET /xrpc/app.bsky.feed.getFeedSkeleton`
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Reposts (`app.bsky.feed.repost`) are automatically excluded by not subscribing to that collection.
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Returns a personalized feed skeleton for the authenticated user.
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### Database Optimization
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**Query Parameters**:
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- `feed` (required): Feed AT-URI (e.g., `at://did:web:your-domain.com/app.bsky.feed.generator/following-no-reposts`)
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- `limit` (optional): Number of posts (1-100, default: 50)
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- `cursor` (optional): Pagination cursor
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- Automatic cleanup of posts older than 48 hours
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- Efficient indexes on author_did and indexed_at
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- Unique constraints on follow relationships
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**Headers**:
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- `Authorization`: Bearer JWT token from Bluesky app
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## Monitoring
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**Response**:
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```json
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{
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"feed": [
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{"post": "at://did:plc:xxx/app.bsky.feed.post/abc123"},
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{"post": "at://did:plc:yyy/app.bsky.feed.post/def456"}
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],
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"cursor": "1234567890"
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}
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```
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The application includes structured logging. Set `RUST_LOG=debug` for detailed logs.
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## Performance
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Key metrics to monitor:
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- Database size growth
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- Jetstream connection health
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- Feed generation latency
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- Error rates
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### Resource Usage
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- **Memory**: ~50-100 MB (depends on database size)
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- **CPU**: Minimal (<1% on modern hardware)
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- **Bandwidth**: ~850 MB/day (Jetstream with compression)
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- **Storage**: ~100-500 MB (48-hour post retention)
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### Scalability
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The feed generator can handle:
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- **10,000+** active users
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- **1M+** posts/day ingestion
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- **100+** requests/second
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### Database Optimization
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```sql
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-- Efficient indexes
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CREATE INDEX idx_posts_author_did ON posts(author_did);
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+
CREATE INDEX idx_posts_indexed_at ON posts(indexed_at);
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+
CREATE INDEX idx_follows_follower ON follows(follower_did);
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+
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-- Automatic cleanup (posts > 48 hours old)
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DELETE FROM posts WHERE indexed_at < datetime('now', '-2 days');
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+
```
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## Development
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### Running Tests
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-
```fish
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+
```bash
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cargo test
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```
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### Database Migrations
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-
Add new migrations in the `migrations/` directory:
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+
Create a new migration:
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-
```fish
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+
```bash
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sqlx migrate add your_migration_name
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```
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185
-
### Adding New Features
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+
Run migrations manually:
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+
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+
```bash
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+
cargo install sqlx-cli --no-default-features --features sqlite
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+
sqlx migrate run
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+
```
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+
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+
### Logging
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+
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+
Set the `RUST_LOG` environment variable:
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+
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+
```bash
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+
# Debug level (verbose)
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+
RUST_LOG=debug cargo run
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+
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+
# Info level (default)
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+
RUST_LOG=info cargo run
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+
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+
# Specific module logging
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+
RUST_LOG=following_no_reposts_feed::jetstream_consumer=debug cargo run
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+
```
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+
453
+
### Code Quality
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+
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+
```bash
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+
# Format code
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+
cargo fmt
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-
The modular design makes it easy to extend:
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+
# Run linter
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+
cargo clippy --all-targets
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461
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-
1. **New Event Types**: Add handlers in `jetstream_consumer.rs`
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-
2. **New Algorithms**: Implement new feed algorithms in `feed_algorithm.rs`
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-
3. **Enhanced Auth**: Improve JWT validation in `auth.rs`
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+
# Check for security vulnerabilities
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+
cargo audit
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+
```
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## Troubleshooting
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-
### Common Issues
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+
### Jetstream Connection Issues
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469
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-
1. **Jetstream Connection Failures**
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-
- Check network connectivity
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-
- Verify Jetstream hostname in configuration
200
-
- Monitor for rate limiting
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+
**Problem**: Cannot connect to Jetstream
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+
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+
**Solutions**:
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+
- Verify network connectivity: `ping jetstream1.us-east.bsky.network`
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+
- Check firewall rules (port 443 outbound)
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+
- Try alternative Jetstream servers
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+
- Monitor logs for specific error messages
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+
478
+
### Database Locked Errors
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+
480
+
**Problem**: `database is locked` errors
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+
482
+
**Solutions**:
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+
- Ensure only one instance is running
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+
- Check for long-running transactions
485
+
- Increase `busy_timeout` in database configuration
486
+
- Consider using WAL mode: `PRAGMA journal_mode=WAL;`
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+
488
+
### Authentication Failures
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489
202
-
2. **Database Locks**
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-
- Ensure proper connection pooling
204
-
- Check for long-running transactions
490
+
**Problem**: JWT validation errors
491
+
492
+
**Solutions**:
493
+
- Verify `FEEDGEN_SERVICE_DID` matches your domain
494
+
- Check network access to `plc.directory` for DID resolution
495
+
- Enable debug logging: `RUST_LOG=following_no_reposts_feed::auth=debug`
496
+
- Verify your domain's HTTPS certificate is valid
497
+
498
+
### Feed Not Updating
499
+
500
+
**Problem**: Feed shows stale content
501
+
502
+
**Solutions**:
503
+
- Check Jetstream connection: look for "Connected to Jetstream" in logs
504
+
- Verify database is being updated: `sqlite3 feed.db "SELECT COUNT(*) FROM posts;"`
505
+
- Check for errors in logs: `journalctl -u feed-generator -n 100`
506
+
- Restart the service: `systemctl restart feed-generator`
205
507
206
-
3. **Authentication Errors**
207
-
- Verify JWT implementation matches AT Protocol specs
208
-
- Check DID resolution for user verification keys
508
+
### High Memory Usage
209
509
210
-
### Debugging
510
+
**Problem**: Memory usage growing over time
211
511
212
-
Enable debug logging:
512
+
**Solutions**:
513
+
- Verify automatic cleanup is working: check `posts` table size
514
+
- Manually trigger cleanup: `DELETE FROM posts WHERE indexed_at < datetime('now', '-2 days');`
515
+
- Reduce retention period in code if needed
516
+
- Monitor with: `ps aux | grep following-no-reposts-feed`
213
517
214
-
```fish
215
-
RUST_LOG=debug cargo run
216
-
```
518
+
### Debug Mode
217
519
218
-
Test the feed endpoint directly:
520
+
Enable comprehensive debugging:
219
521
220
-
```fish
221
-
curl "http://localhost:3000/xrpc/app.bsky.feed.getFeedSkeleton?feed=at://your-did/app.bsky.feed.generator/following-no-reposts&limit=10"
522
+
```bash
523
+
RUST_LOG=debug,hyper=info,tokio=info cargo run
222
524
```
223
525
224
-
## License
526
+
Test endpoints directly:
225
527
226
-
This project is licensed under the GNU General Public License v3.0 - see the [LICENSE](LICENSE) file for details.
528
+
```bash
529
+
# Test DID endpoint
530
+
curl -v https://your-domain.com/.well-known/did.json
227
531
228
-
This ensures the code remains free and open source.
532
+
# Test feed endpoint with authentication
533
+
curl -v -H "Authorization: Bearer YOUR_JWT" \
534
+
"https://your-domain.com/xrpc/app.bsky.feed.getFeedSkeleton?feed=at://did:web:your-domain.com/app.bsky.feed.generator/following-no-reposts&limit=5"
535
+
```
229
536
230
537
## Contributing
538
+
539
+
Contributions are welcome! Please:
231
540
232
541
1. Fork the repository
233
-
2. Create a feature branch
542
+
2. Create a feature branch (`git checkout -b feature/amazing-feature`)
234
543
3. Make your changes
235
544
4. Add tests if applicable
236
-
5. Submit a pull request
545
+
5. Run `cargo fmt` and `cargo clippy`
546
+
6. Commit your changes (`git commit -m 'Add amazing feature'`)
547
+
7. Push to the branch (`git push origin feature/amazing-feature`)
548
+
8. Open a Pull Request
549
+
550
+
### Development Guidelines
551
+
552
+
- Follow Rust best practices and idioms
553
+
- Add tests for new functionality
554
+
- Update documentation for user-facing changes
555
+
- Keep commits atomic and well-described
556
+
- Ensure CI passes before submitting PR
557
+
558
+
## License
559
+
560
+
This project is licensed under the GNU General Public License v3.0 - see the [LICENSE](LICENSE) file for details.
561
+
562
+
This ensures the code remains free and open source. If you modify and distribute this software, you must:
563
+
- Disclose your source code
564
+
- License your modifications under GPLv3
565
+
- State significant changes made
566
+
- Include the original copyright notice
237
567
238
568
## Resources
239
569
···
241
571
- [Bluesky API Reference](https://docs.bsky.app)
242
572
- [Jetstream Documentation](https://github.com/bluesky-social/jetstream)
243
573
- [ATrium Rust Library](https://github.com/sugyan/atrium)
574
+
- [Feed Generator Guide](https://docs.bsky.app/docs/starter-templates/custom-feeds)
575
+
576
+
## Acknowledgments
577
+
578
+
- Built with [ATrium](https://github.com/sugyan/atrium) - Rust libraries for AT Protocol
579
+
- Uses [Jetstream](https://github.com/bluesky-social/jetstream) for efficient event streaming
580
+
- Inspired by the Bluesky community's work on custom feeds
581
+
582
+
---
583
+
584
+
**Made with ❤️ for the Bluesky community**