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5031be8d91
* use docker images for CI * run gha as root in docker using the opam user wouldn't work for actions like checkout * make our own docker images from ubuntu LTS * details * fix eio step * fix build issues in docker
38 lines
1.4 KiB
Text
38 lines
1.4 KiB
Text
ARG BASE_OS=ubuntu:24.04
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# --- Stage 1: base (shared, no OCaml) ---
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FROM $BASE_OS AS base
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ARG BASE_OS_PACKAGES=""
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ENV OPAMROOTISOK=1 OPAMYES=1 OPAMCONFIRMLEVEL=unsafe-yes
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RUN apt-get update && \
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apt-get install -y --no-install-recommends ca-certificates curl git unzip build-essential $BASE_OS_PACKAGES && \
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rm -rf /var/lib/apt/lists/* && \
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curl -fsSL https://github.com/ocaml/opam/releases/download/2.5.0/opam-2.5.0-x86_64-linux -o /usr/local/bin/opam && \
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chmod +x /usr/local/bin/opam && \
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git config --global --add safe.directory '*'
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WORKDIR /root/w
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# --- Stage 2: opam-setup (builds the switch, discarded) ---
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FROM base AS opam-setup
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ARG OCAML_VERSION
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ARG OPAM_REPO_COMMIT=master
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ARG BASE_PACKAGES=""
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RUN git init /tmp/opam-repo && cd /tmp/opam-repo && \
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git remote add origin https://github.com/ocaml/opam-repository.git && \
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git fetch --depth 1 origin $OPAM_REPO_COMMIT && \
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git checkout FETCH_HEAD
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RUN opam init --disable-sandboxing --bare --no-setup -k local /tmp/opam-repo && \
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opam switch create /root/w --packages=ocaml-base-compiler.$OCAML_VERSION
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RUN opam install --no-depexts $BASE_PACKAGES && \
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opam clean -a -y && \
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rm -rf /tmp/opam-repo
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# --- Stage 3: final image (base + switch only) ---
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FROM base
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COPY --from=opam-setup /root/.opam /root/.opam
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COPY --from=opam-setup /root/w/_opam /root/w/_opam
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ENV OPAMROOT=/root/.opam OPAMSWITCH=/root/w PATH=/root/w/_opam/bin:$PATH
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WORKDIR /root/w
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