zzstoatzz.io
atproto relay implementation in zig
zlay.waow.tech
fix: multi-stage Dockerfile for native x86_64 compilation
cross-compiling RocksDB C++ from ARM64 produces illegal instructions.
build inside x86_64 container instead.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Dockerfile
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Dockerfile
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# multi-stage build: compile natively inside x86_64 linux container
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# (cross-compiling C++ from ARM64 produces illegal instructions in RocksDB)
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FROM --platform=linux/amd64 alpine:3.21 AS builder
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RUN apk add --no-cache curl tar xz
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RUN curl -L https://ziglang.org/download/0.15.2/zig-linux-x86_64-0.15.2.tar.xz \
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| tar xJ -C /opt
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ENV PATH=/opt/zig-linux-x86_64-0.15.2:$PATH
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WORKDIR /build
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COPY . .
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RUN zig build -Doptimize=ReleaseSafe
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FROM --platform=linux/amd64 alpine:3.21
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RUN apk add --no-cache ca-certificates
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COPY --from=builder /build/zig-out/bin/zlay /usr/local/bin/zlay
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RUN mkdir -p /data/events
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ENV RELAY_DATA_DIR=/data/events
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EXPOSE 3000 3001