sneak
c6fa2b0fbd
Use runuser to drop privileges and execute the app as the routewatch user (uid 1000). Fix data directory permissions at runtime since host mounts may have incorrect ownership.
66 lines
1.7 KiB
Docker
66 lines
1.7 KiB
Docker
# Build stage
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FROM golang:1.24-bookworm AS builder
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# Install build dependencies (zstd for archive, gcc for CGO/sqlite3)
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RUN apt-get update && apt-get install -y --no-install-recommends \
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zstd \
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gcc \
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libc6-dev \
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&& rm -rf /var/lib/apt/lists/*
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WORKDIR /src
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# Copy everything
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COPY . .
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# Vendor dependencies (must be after copying source)
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RUN go mod download && go mod vendor
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# Build the binary with CGO enabled (required for sqlite3)
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RUN CGO_ENABLED=1 GOOS=linux go build -o /routewatch ./cmd/routewatch
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# Create source archive with vendored dependencies
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RUN tar --zstd -cf /routewatch-source.tar.zst \
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--exclude='.git' \
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--exclude='*.tar.zst' \
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.
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# Runtime stage
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FROM debian:bookworm-slim
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# Install runtime dependencies
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# - ca-certificates: for HTTPS connections
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# - curl: for health checks
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RUN apt-get update && apt-get install -y --no-install-recommends \
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ca-certificates \
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curl \
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&& rm -rf /var/lib/apt/lists/*
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# Create non-root user
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RUN useradd -r -u 1000 -m routewatch
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RUN mkdir -p /var/lib/berlin.sneak.app.routewatch && chown routewatch:routewatch /var/lib/berlin.sneak.app.routewatch
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RUN mkdir /app
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WORKDIR /app
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# Copy binary and source archive from builder
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COPY --from=builder /routewatch /app/routewatch
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COPY --from=builder /routewatch-source.tar.zst /app/source/routewatch-source.tar.zst
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# Set ownership
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RUN chown -R routewatch:routewatch /app
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ENV XDG_DATA_HOME=/var/lib
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# Expose HTTP port
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EXPOSE 8080
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COPY ./entrypoint.sh /entrypoint.sh
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# Health check using the health endpoint
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HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
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CMD curl -sf http://localhost:8080/.well-known/healthcheck.json || exit 1
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ENTRYPOINT ["/bin/bash", "/entrypoint.sh" ]
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