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synapse/.github/workflows/docker.yml
Andrew Morgan 51deadec41
Pin our GitHub Actions dependencies (#18255)
After the [recent supply chain attack](https://www.wiz.io/blog/new-github-action-supply-chain-attack-reviewdog-action-setup)
in `tj-actions/changed-files` and actions based on it, it's become clear
that relying on git tags to pin our dependencies is not enough (as tags
can simply be replaced). Therefore we need to switch to hashes.

Dependabot should continue to update these dependencies for us.

Best reviewed commit-by-commit. Though if CI passes, we're *probably*
fine.
2025-03-19 14:16:04 +00:00

99 lines
3.4 KiB
YAML

# GitHub actions workflow which builds and publishes the docker images.
name: Build docker images
on:
push:
tags: ["v*"]
branches: [ master, main, develop ]
workflow_dispatch:
permissions:
contents: read
packages: write
id-token: write # needed for signing the images with GitHub OIDC Token
jobs:
build:
runs-on: ubuntu-22.04
steps:
- name: Set up QEMU
id: qemu
uses: docker/setup-qemu-action@29109295f81e9208d7d86ff1c6c12d2833863392 # v3.6.0
with:
platforms: arm64
- name: Set up Docker Buildx
id: buildx
uses: docker/setup-buildx-action@b5ca514318bd6ebac0fb2aedd5d36ec1b5c232a2 # v3.10.0
- name: Inspect builder
run: docker buildx inspect
- name: Install Cosign
uses: sigstore/cosign-installer@d7d6bc7722e3daa8354c50bcb52f4837da5e9b6a # v3.8.1
- name: Checkout repository
uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Extract version from pyproject.toml
# Note: explicitly requesting bash will mean bash is invoked with `-eo pipefail`, see
# https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsshell
shell: bash
run: |
echo "SYNAPSE_VERSION=$(grep "^version" pyproject.toml | sed -E 's/version\s*=\s*["]([^"]*)["]/\1/')" >> $GITHUB_ENV
- name: Log in to DockerHub
uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3.4.0
with:
username: ${{ secrets.DOCKERHUB_USERNAME }}
password: ${{ secrets.DOCKERHUB_TOKEN }}
- name: Log in to GHCR
uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3.4.0
with:
registry: ghcr.io
username: ${{ github.repository_owner }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Calculate docker image tag
id: set-tag
uses: docker/metadata-action@902fa8ec7d6ecbf8d84d538b9b233a880e428804 # v5.7.0
with:
images: |
docker.io/matrixdotorg/synapse
ghcr.io/element-hq/synapse
flavor: |
latest=false
tags: |
type=raw,value=develop,enable=${{ github.ref == 'refs/heads/develop' }}
type=raw,value=latest,enable=${{ github.ref == 'refs/heads/master' }}
type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' }}
type=pep440,pattern={{raw}}
- name: Build and push all platforms
id: build-and-push
uses: docker/build-push-action@471d1dc4e07e5cdedd4c2171150001c434f0b7a4 # v6.15.0
with:
push: true
labels: |
gitsha1=${{ github.sha }}
org.opencontainers.image.version=${{ env.SYNAPSE_VERSION }}
tags: "${{ steps.set-tag.outputs.tags }}"
file: "docker/Dockerfile"
platforms: linux/amd64,linux/arm64
# arm64 builds OOM without the git fetch setting. c.f.
# https://github.com/rust-lang/cargo/issues/10583
build-args: |
CARGO_NET_GIT_FETCH_WITH_CLI=true
- name: Sign the images with GitHub OIDC Token
env:
DIGEST: ${{ steps.build-and-push.outputs.digest }}
TAGS: ${{ steps.set-tag.outputs.tags }}
run: |
images=""
for tag in ${TAGS}; do
images+="${tag}@${DIGEST} "
done
cosign sign --yes ${images}