chadtmiller.com
Gleam Lustre Fullstack Atproto Demo App w/Slices.Network GraphQL API
get deploy working
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.dockerignore
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.dockerignore
···
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# flyctl launch added from client/.gitignore
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client/**/*.beam
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client/**/*.ez
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client/build
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client/**/erl_crash.dump
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#Added automatically by Lustre Dev Tools
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client/.lustre
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client/dist
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client/node_modules
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# flyctl launch added from server/.gitignore
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server/**/*.beam
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server/**/*.ez
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server/build
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server/**/erl_crash.dump
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server/**/*db*
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server/**/.env
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# flyctl launch added from server/build/packages/squall/.gitignore
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server/build/packages/squall/**/*.beam
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server/build/packages/squall/**/*.ez
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server/build/packages/squall/**/build
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server/build/packages/squall/**/erl_crash.dump
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# flyctl launch added from shared/.gitignore
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shared/**/*.beam
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shared/**/*.ez
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shared/build
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shared/**/erl_crash.dump
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fly.toml
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.github/workflows/fly-deploy.yml
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.github/workflows/fly-deploy.yml
···
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# See https://fly.io/docs/app-guides/continuous-deployment-with-github-actions/
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name: Fly Deploy
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on:
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push:
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branches:
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- main
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jobs:
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deploy:
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name: Deploy app
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runs-on: ubuntu-latest
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concurrency: deploy-group # optional: ensure only one action runs at a time
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steps:
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- uses: actions/checkout@v4
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- uses: superfly/flyctl-actions/setup-flyctl@master
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- run: flyctl deploy --remote-only
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env:
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FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}
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Dockerfile
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Dockerfile
···
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ARG GLEAM_VERSION=v1.13.0
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# Build stage - compile the application
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FROM ghcr.io/gleam-lang/gleam:${GLEAM_VERSION}-erlang-alpine AS builder
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# Install build dependencies
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RUN apk add --no-cache \
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git \
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nodejs \
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npm \
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build-base \
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sqlite-dev
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# Configure git for non-interactive use
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ENV GIT_TERMINAL_PROMPT=0
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# Add project code
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COPY ./shared /build/shared
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COPY ./client /build/client
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COPY ./server /build/server
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# Install dependencies for all projects
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RUN cd /build/shared && gleam deps download
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RUN cd /build/client && gleam deps download
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RUN cd /build/server && gleam deps download
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# Install JavaScript dependencies for client
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RUN cd /build/client && npm install
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# Compile the client code and output to server's static directory
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RUN cd /build/client \
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&& gleam add --dev lustre_dev_tools \
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&& gleam run -m lustre/dev build client --minify --outdir=/build/server/priv/static
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# Compile the server code
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RUN cd /build/server \
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&& gleam export erlang-shipment
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# Runtime stage - slim image with only what's needed to run
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FROM ghcr.io/gleam-lang/gleam:${GLEAM_VERSION}-erlang-alpine
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# Copy the compiled server code from the builder stage
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COPY --from=builder /build/server/build/erlang-shipment /app
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# Set up the entrypoint
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WORKDIR /app
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RUN echo -e '#!/bin/sh\nexec ./entrypoint.sh "$@"' > ./start.sh \
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&& chmod +x ./start.sh
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# Set environment variables
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ENV HOST=0.0.0.0
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ENV PORT=8080
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# Expose the port the server will run on
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EXPOSE $PORT
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# Run the server
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CMD ["./start.sh", "run"]
+22
fly.toml
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fly.toml
···
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# fly.toml app configuration file generated for atconf on 2025-10-24T14:04:15-07:00
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#
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# See https://fly.io/docs/reference/configuration/ for information about how to use this file.
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#
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app = 'atconf'
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primary_region = 'sjc'
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[build]
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[http_service]
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internal_port = 8080
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force_https = true
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auto_stop_machines = 'stop'
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auto_start_machines = true
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min_machines_running = 0
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processes = ['app']
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[[vm]]
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memory = '512mb'
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cpu_kind = 'shared'
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cpus = 1
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server/.env.example
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server/.env.example
···
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# Or the server will generate one on first run and print it to console
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SECRET_KEY_BASE=CHANGE_ME_TO_A_RANDOM_64_CHARACTER_STRING
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# Server Configuration
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# Host address to bind to (defaults to 127.0.0.1 if not set)
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# Use 0.0.0.0 to listen on all interfaces (required for Docker/production)
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HOST=127.0.0.1
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# Port the server will listen on (defaults to 3000 if not set)
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PORT=3000
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# OAuth Configuration
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# These values will be used if environment variables are not set
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+22
-1
server/src/server.gleam
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-1
server/src/server.gleam
···
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import gleam/http.{Get, Post}
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import gleam/http/request
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import gleam/httpc
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import gleam/int
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import gleam/io
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import gleam/json
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import gleam/list
···
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use db <- sqlight.with_connection("./sessions.db")
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let assert Ok(_) = session.init_db(db)
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// Get host from environment or default to 127.0.0.1
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let host = case envoy.get("HOST") {
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Ok(h) -> h
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Error(_) -> "127.0.0.1"
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}
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// Get port from environment or default to 3000
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let port = case envoy.get("PORT") {
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Ok(port_str) -> {
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case int.parse(port_str) {
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Ok(p) -> p
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Error(_) -> 3000
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}
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}
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Error(_) -> 3000
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}
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io.println("Listening on http://" <> host <> ":" <> int.to_string(port))
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let assert Ok(_) =
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handle_request(static_directory, db, oauth_config, _)
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|> wisp_mist.handler(secret_key_base)
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|> mist.new
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|> mist.port(3000)
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|> mist.bind(host)
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|> mist.port(port)
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|> mist.start
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process.sleep_forever()