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|
# 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:
name: Build and push image for ${{ matrix.platform }}
runs-on: ${{ matrix.runs_on }}
strategy:
matrix:
include:
- platform: linux/amd64
runs_on: ubuntu-24.04
suffix: linux-amd64
- platform: linux/arm64
runs_on: ubuntu-24.04-arm
suffix: linux-arm64
steps:
- name: Set up Docker Buildx
id: buildx
uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
- name: Checkout repository
uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
- name: Extract version from pyproject.toml
# Note: explicitly requesting bash will mean bash is invoked with `-eo pipefail`, see
# https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsshell
shell: bash
run: |
echo "SYNAPSE_VERSION=$(grep "^version" pyproject.toml | sed -E 's/version\s*=\s*["]([^"]*)["]/\1/')" >> $GITHUB_ENV
- name: Log in to DockerHub
uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
with:
username: ${{ secrets.DOCKERHUB_USERNAME }}
password: ${{ secrets.DOCKERHUB_TOKEN }}
- name: Log in to GHCR
uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
with:
registry: ghcr.io
username: ${{ github.repository_owner }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Build and push by digest
id: build
uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
with:
push: true
labels: |
gitsha1=${{ github.sha }}
org.opencontainers.image.version=${{ env.SYNAPSE_VERSION }}
tags: |
docker.io/matrixdotorg/synapse
ghcr.io/element-hq/synapse
file: "docker/Dockerfile"
platforms: ${{ matrix.platform }}
outputs: type=image,push-by-digest=true,name-canonical=true,push=true
- name: Export digest
run: |
mkdir -p ${{ runner.temp }}/digests
digest="${{ steps.build.outputs.digest }}"
touch "${{ runner.temp }}/digests/${digest#sha256:}"
- name: Upload digest
uses: actions/upload-artifact@v5
with:
name: digests-${{ matrix.suffix }}
path: ${{ runner.temp }}/digests/*
if-no-files-found: error
retention-days: 1
merge:
name: Push merged images to ${{ matrix.repository }}
runs-on: ubuntu-latest
strategy:
matrix:
repository:
- docker.io/matrixdotorg/synapse
- ghcr.io/element-hq/synapse
needs:
- build
steps:
- name: Download digests
uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
with:
path: ${{ runner.temp }}/digests
pattern: digests-*
merge-multiple: true
- name: Log in to DockerHub
uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
if: ${{ startsWith(matrix.repository, 'docker.io') }}
with:
username: ${{ secrets.DOCKERHUB_USERNAME }}
password: ${{ secrets.DOCKERHUB_TOKEN }}
- name: Log in to GHCR
uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
if: ${{ startsWith(matrix.repository, 'ghcr.io') }}
with:
registry: ghcr.io
username: ${{ github.repository_owner }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
- name: Install Cosign
uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0
- name: Calculate docker image tag
uses: docker/metadata-action@318604b99e75e41977312d83839a89be02ca4893 # v5.9.0
with:
images: ${{ matrix.repository }}
flavor: |
latest=false
tags: |
type=raw,value=develop,enable=${{ 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}}
type=sha
- name: Create manifest list and push
working-directory: ${{ runner.temp }}/digests
env:
REPOSITORY: ${{ matrix.repository }}
run: |
docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
$(printf "$REPOSITORY@sha256:%s " *)
- name: Sign each manifest
env:
REPOSITORY: ${{ matrix.repository }}
run: |
DIGESTS=""
for TAG in $(echo "$DOCKER_METADATA_OUTPUT_JSON" | jq -r '.tags[]'); do
DIGEST="$(docker buildx imagetools inspect $TAG --format '{{json .Manifest}}' | jq -r '.digest')"
DIGESTS="$DIGESTS $REPOSITORY@$DIGEST"
done
cosign sign --yes $DIGESTS
|
