70 lines
1.7 KiB
Docker
70 lines
1.7 KiB
Docker
# Base stage
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FROM ocaml/opam:debian-12-ocaml-5.2 as base
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WORKDIR /home/opam/website_monitor
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# Install system dependencies
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RUN sudo apt-get update && sudo apt-get install -y \
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pkg-config \
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libssl-dev \
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libgmp-dev \
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libev-dev \
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libpq-dev \
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ca-certificates \
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m4 \
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postgresql-client \
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wget \
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&& sudo rm -rf /var/lib/apt/lists/*
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# Copy project files
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COPY --chown=opam:opam dune-project ./
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COPY --chown=opam:opam website_monitor.opam ./
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# Install dependencies
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RUN opam install . --deps-only --with-test
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# Build stage (CPU constrained)
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FROM base as build
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ENV OPAMJOBS=1
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ENV OCAMLPARAM=_,_threadsafe
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# Copy source code
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COPY --chown=opam:opam . .
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# Build with CPU constraint
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RUN opam exec -- dune build --root . --profile release
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# Runtime stage
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FROM debian:12-slim as runtime
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WORKDIR /app
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# Install runtime dependencies
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RUN apt-get update && apt-get install -y \
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libssl3 \
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ca-certificates \
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tzdata \
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wget \
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&& rm -rf /var/lib/apt/lists/*
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# Copy binaries from build stage
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COPY --from=build /home/opam/website_monitor/_build/default/bin/main.exe /app/website_monitor
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COPY --from=build /home/opam/website_monitor/_build/default/bin/init_db.exe /app/website_monitor_init_db
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# Copy entrypoint script
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COPY --chown=monitor:monitor docker-entrypoint.sh /app/docker-entrypoint.sh
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RUN chmod +x /app/docker-entrypoint.sh
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# Create non-root user
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RUN useradd -m -u 1000 monitor && chown -R monitor:monitor /app
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USER monitor
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# Expose port
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EXPOSE 8080
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# Health check
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HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
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CMD wget --no-verbose --tries=1 --spider http://localhost:8080/health || exit 1
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# Run application
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ENTRYPOINT ["/app/docker-entrypoint.sh"]
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CMD []
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