Dockerfile.test

# Stage 1: build the server binary
FROM ocaml/opam:ubuntu-24.04-ocaml-5.3 AS build

WORKDIR /home/opam/benchpress
COPY --chown=opam:opam . .

# Install system deps required by opam packages (gnuplot for conf-gnuplot)
RUN sudo apt-get update && sudo apt-get install -y --no-install-recommends \
        gnuplot-nox libsqlite3-dev libjemalloc-dev pkg-config \
    && sudo rm -rf /var/lib/apt/lists/*

# Limit parallel opam jobs to reduce peak disk usage during compilation
ENV OPAMJOBS=4

# Install opam dependencies and build the server + ctl
# Clean download cache after install to reclaim space before dune build
RUN opam install --deps-only -y . && \
    rm -rf ~/.opam/download-cache && \
    opam exec -- dune build \
        src/server/benchpress_server.exe \
        src/ctl/benchpressctl.exe && \
    cp _build/default/src/server/benchpress_server.exe /home/opam/benchpress_server.exe && \
    cp _build/default/src/ctl/benchpressctl.exe /home/opam/benchpressctl.exe


# Stage 2: minimal runtime image with hurl
FROM ubuntu:24.04

RUN apt-get update && apt-get install -y --no-install-recommends \
        libsqlite3-0 libjemalloc2 libxml2 curl ca-certificates \
    && rm -rf /var/lib/apt/lists/*

# Install hurl
ARG HURL_VERSION=7.1.0
RUN curl -sSL \
    "https://github.com/Orange-OpenSource/hurl/releases/download/${HURL_VERSION}/hurl-${HURL_VERSION}-x86_64-unknown-linux-gnu.tar.gz" \
    | tar xz --strip-components=2 -C /usr/local/bin \
    "hurl-${HURL_VERSION}-x86_64-unknown-linux-gnu/bin/hurl"

COPY --from=build \
    /home/opam/benchpress_server.exe \
    /usr/local/bin/benchpress-server

COPY --from=build \
    /home/opam/benchpressctl.exe \
    /usr/local/bin/benchpressctl

COPY tests/ /tests/

COPY docker/test-entrypoint.sh /usr/local/bin/test-entrypoint.sh
COPY docker/compose-test-runner.sh /usr/local/bin/compose-test-runner.sh
RUN chmod +x /usr/local/bin/test-entrypoint.sh /usr/local/bin/compose-test-runner.sh

ENV PORT=8083
ENV TESTS_DIR=/tests
EXPOSE 8083

ENTRYPOINT ["test-entrypoint.sh"]