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CI: build docker image for Linux ARM build and cache layers #6922

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CI: build docker image for Linux ARM build and cache layers #6922

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20 changes: 14 additions & 6 deletions .github/workflows/ci.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -103,15 +103,23 @@ jobs:
- name: Checkout
uses: actions/checkout@v4

- name: Build compiler binaries
uses: docker://ghcr.io/rescript-lang/rescript-ci-build:alpine-3.20-ocaml-5.2.0-01
- name: Setup Docker buildx
uses: docker/setup-buildx-action@v3

- name: Build Docker image
uses: docker/build-push-action@v6
with:
args: opam exec -- dune build --display quiet --profile static
context: ./docker
tags: rescript-ci-build:latest
load: true
cache-from: type=gha
cache-to: type=gha,mode=max

- name: Build compiler binaries
run: docker run --rm -v ${{ github.workspace }}:/data -w /data rescript-ci-build:latest opam exec -- dune build --display quiet --profile static

- name: Build ninja binary
uses: docker://ghcr.io/rescript-lang/rescript-ci-build:alpine-3.20-ocaml-5.2.0-01
with:
args: sh -c "cd ninja && LDFLAGS=-static python configure.py --bootstrap"
run: docker run --rm -v ${{ github.workspace }}:/data -w /data/ninja -e LDFLAGS="-static" rescript-ci-build:latest python configure.py --bootstrap

- name: Use Node.js
uses: actions/setup-node@v4
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15 changes: 15 additions & 0 deletions docker/Dockerfile
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@@ -0,0 +1,15 @@
FROM alpine:3.20
LABEL org.opencontainers.image.authors="Christoph Knittel <[email protected]>"
LABEL org.opencontainers.image.description="Alpine-based Docker image for building statically linked ReScript binaries."

# - gcompat needed for ARM64, see https://github.com/actions/runner/issues/801#issuecomment-1374967227
# - python3 needed for ninja build
RUN apk add --no-cache bash gcc g++ git make opam python3 rsync gcompat

# We need to specify the OPAM dir explicitly as the GitHub Actions runner
# will set a different home directory when running in a container.
ENV OPAMROOT=/root/.opam

RUN opam init -y --compiler=5.2.0 --disable-sandboxing

RUN opam install -y dune cppo=1.6.9 ounit2=2.2.7
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