forked from coracle/caravel
Jon Staab
86 lines
2.8 KiB
Docker
86 lines
2.8 KiB
Docker
# syntax=docker/dockerfile:1
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# ---------- Build the Rust backend ----------
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# cargo-chef caches the compiled dependency graph in its own layer, so a
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# source-only change recompiles just our crate instead of every dependency from
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# scratch. The recipe is derived solely from Cargo.toml/Cargo.lock, so the
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# expensive `cook` layer is reused until the dependency set changes.
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# https://github.com/LukeMathWalker/cargo-chef
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FROM rust:1.94-bookworm AS chef
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WORKDIR /app
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RUN apt-get update \
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&& apt-get install -y --no-install-recommends \
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pkg-config \
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libsqlite3-dev \
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&& rm -rf /var/lib/apt/lists/* \
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&& cargo install --locked cargo-chef
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# Distill the dependency recipe. Cheap, and re-runs on any source change, but
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# yields a stable recipe.json as long as dependencies are unchanged — which is
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# what keeps the cook layer below cached.
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FROM chef AS planner
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COPY backend/Cargo.toml backend/Cargo.lock ./
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COPY backend/src ./src
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RUN cargo chef prepare --recipe-path recipe.json
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# Build (and cache) dependencies from the recipe, then compile the application.
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# Must share the chef stage's Rust version for the cached layer to apply.
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FROM chef AS backend-build
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COPY --from=planner /app/recipe.json recipe.json
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RUN cargo chef cook --release --recipe-path recipe.json
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COPY backend/Cargo.toml backend/Cargo.lock ./
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COPY backend/src ./src
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COPY backend/migrations ./migrations
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RUN cargo build --release
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# ---------- Build the frontend with placeholder config ----------
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# The frontend is compiled once, here, with sentinel VITE_* values. The runtime
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# entrypoint find-and-replaces those sentinels with the real configuration when
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# the container starts, so one image can be deployed with any config — no rebuild
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# and no build step at startup.
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FROM node:20-slim AS frontend-build
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RUN npm install -g bun
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WORKDIR /app/frontend
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COPY frontend/package.json frontend/bun.lock ./
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RUN bun install
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COPY frontend ./
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ENV VITE_API_URL=__VITE_API_URL__ \
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VITE_RELAY_DOMAIN=__VITE_RELAY_DOMAIN__ \
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VITE_PLATFORM_NAME=__VITE_PLATFORM_NAME__ \
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VITE_PLATFORM_LOGO=__VITE_PLATFORM_LOGO__
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RUN bun run build
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# ---------- Runtime ----------
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# node:20-slim is bookworm-based, so it is ABI-compatible with the backend binary.
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# No bun / frontend sources here — just the prebuilt bundle and a static server.
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FROM node:20-slim
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RUN apt-get update \
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&& apt-get install -y --no-install-recommends \
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ca-certificates \
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libsqlite3-0 \
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&& rm -rf /var/lib/apt/lists/* \
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&& npm install -g serve
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WORKDIR /app
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COPY --from=backend-build /app/target/release/backend /app/backend
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COPY --from=frontend-build /app/frontend/dist /app/dist
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COPY --chmod=0755 entrypoint.sh /app/entrypoint.sh
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RUN mkdir -p /app/data && chown -R node:node /app/dist /app/data
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USER node:node
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ENV SERVER_PORT=2892 \
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DATABASE_URL=sqlite:///app/data/caravel.db
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EXPOSE 2892 3000
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CMD ["/app/entrypoint.sh"]
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