103 lines
4.1 KiB
Docker
103 lines
4.1 KiB
Docker
# syntax=docker/dockerfile:1
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# Multi-stage build for the tavolo stack (kaya backend + Sycamore/WASM
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# frontend). The Docker build context is the REPOSITORY ROOT (see
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# docker-compose.yml) so this single image assembles both parts:
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#
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# web-builder rust + trunk -> compiles web/ into web/dist
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# builder alpine python -> python venv with the backend + deps
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# runtime alpine python + the venv + the compiled frontend
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#
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# apk and pip both use BuildKit cache mounts (type=cache): the package
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# caches persist in the builder's cache across builds instead of being
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# re-downloaded, and never land in the image layers.
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# --- Web builder -------------------------------------------------------------
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FROM rust:1-slim AS web-builder
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ARG TRUNK_VERSION=0.21.14
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# The build environment blocks plain HTTP: force the apt mirrors to HTTPS.
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RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
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--mount=type=cache,target=/var/lib/apt,sharing=locked \
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sed -i 's|http://deb.debian.org|https://deb.debian.org|g' /etc/apt/sources.list.d/debian.sources \
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&& apt-get update \
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&& apt-get install -y --no-install-recommends curl ca-certificates \
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&& curl -fsSL "https://github.com/trunk-rs/trunk/releases/download/v${TRUNK_VERSION}/trunk-x86_64-unknown-linux-gnu.tar.gz" \
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| tar -xz -C /usr/local/bin \
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&& rustup target add wasm32-unknown-unknown
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WORKDIR /web
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# Card images are committed in the repository (CC0 woodcut napoletane deck);
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# web/fetch-cards.sh can regenerate them.
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COPY web/Cargo.toml web/Cargo.lock web/index.html web/style.css web/Trunk.toml ./
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COPY web/assets ./assets
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COPY web/src ./src
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# --public-url makes trunk emit asset URLs under /static, the prefix Granian
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# serves in the runtime image (see GRANIAN_STATIC_PATH_* below). Dev builds
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# (trunk serve) keep the default "/" public URL.
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RUN --mount=type=cache,target=/usr/local/cargo/registry \
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--mount=type=cache,target=/web/target \
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trunk build --release --public-url /static/
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# --- Python builder ----------------------------------------------------------
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FROM alpine:3.24 AS builder
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RUN --mount=type=cache,target=/var/cache/apk \
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apk add python3 py3-pip build-base python3-dev
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WORKDIR /build
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COPY server/requirements.txt ./
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RUN --mount=type=cache,target=/root/.cache/pip \
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python3 -m venv /opt/venv \
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&& /opt/venv/bin/pip install --upgrade pip \
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&& /opt/venv/bin/pip install -r requirements.txt .
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COPY server/pyproject.toml server/README.md ./
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COPY server/src/ ./src/
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# aerich migration files are a release artifact: the db-migrate compose
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# service runs `aerich upgrade` from this image before the app starts.
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COPY server/migrations/ ./migrations/
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# --- Runtime ---------------------------------------------------------------
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FROM alpine:3.24
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RUN --mount=type=cache,target=/var/cache/apk \
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apk add python3 ca-certificates tzdata \
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&& addgroup -S app && adduser -S -G app app
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COPY --from=builder /opt/venv /opt/venv
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COPY --from=builder /build/migrations /app/migrations
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# aerich reads [tool.aerich] from pyproject.toml (its default config file);
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# the db-migrate compose service runs `aerich upgrade` with working_dir=/app.
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COPY --from=builder /build/pyproject.toml /app/pyproject.toml
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# The compiled single-page application. Granian serves the assets directly
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# in Rust — hashed js/wasm/css under /static/* and the card images under
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# /assets/* (see the GRANIAN_STATIC_PATH_* env vars below; click splits
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# multi-value env vars on whitespace for routes and ':' for paths). The
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# Python app only serves the SPA shell (index.html) at / and for
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# client-side routes (STATIC_DIR).
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COPY --from=web-builder /web/dist /app/web/dist
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ENV PATH="/opt/venv/bin:$PATH" \
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PYTHONUNBUFFERED=1 \
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PYTHONDONTWRITEBYTECODE=1 \
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GRANIAN_HOST=0.0.0.0 \
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GRANIAN_PORT=8080 \
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GRANIAN_INTERFACE=rsgi \
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GRANIAN_STATIC_PATH_ROUTE="/static /assets" \
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GRANIAN_STATIC_PATH_MOUNT="/app/web/dist:/app/web/dist/assets" \
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GRANIAN_STATIC_PATH_DIR_TO_FILE=index.html \
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STATIC_DIR=/app/web/dist
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USER app
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EXPOSE 8080
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HEALTHCHECK --interval=30s --timeout=3s --start-period=10s \
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CMD wget -q -O- http://127.0.0.1:8080/api/health || exit 1
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CMD ["granian", "tavolo.app:app"]
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