Dockerfile

FROM ocaml/opam:alpine-3.19-ocaml-5.2 AS build

# Install system dependencies
RUN sudo apk -U upgrade --no-cache && sudo apk add --no-cache \
    autoconf \
    curl-dev \
    gmp-dev \
    inotify-tools \
    libev-dev \
    oniguruma-dev \
    openssl-dev

# Branch freeze was opam-repo HEAD at the time of commit
RUN cd ~/opam-repository && git reset --hard c45f5bab71d3589f41f9603daca5acad14df0ab0 && opam update

WORKDIR /home/opam

# Install opam dependencies
COPY --chown=opam ocamlorg.opam .
RUN opam install . --deps-only

# Build project
COPY --chown=opam . .
RUN opam exec -- dune build @install --profile=release

# Launch project in order to generate the package state cache
RUN cd ~/opam-repository && git checkout master && git pull origin master && opam update
ENV OCAMLORG_PKG_STATE_PATH=package.state \
    OCAMLORG_REPO_PATH=opam-repository
RUN touch package.state && ./init-cache package.state

FROM alpine:3.19

RUN apk -U upgrade --no-cache && apk add --no-cache \
    git \
    gmp \
    libev

COPY --from=build /home/opam/package.state /var/package.state
COPY --from=build /home/opam/opam-repository /var/opam-repository
COPY --from=build /home/opam/_build/default/src/ocamlorg_web/bin/main.exe /bin/server

COPY playground/asset playground/asset

RUN git clone https://github.com/ocaml-web/html-compiler-manuals /manual

RUN git config --global --add safe.directory /var/opam-repository

ENV DREAM_VERBOSITY=info \
    OCAMLORG_HTTP_PORT=8080 \
    OCAMLORG_MANUAL_PATH=/manual \
    OCAMLORG_PKG_STATE_PATH=/var/package.state \
    OCAMLORG_REPO_PATH=/var/opam-repository/

EXPOSE 8080

ENTRYPOINT ["/bin/server"]