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Add GitHub Actions workflow to build run-gitmanager images #1

Add GitHub Actions workflow to build run-gitmanager images

Add GitHub Actions workflow to build run-gitmanager images #1

Workflow file for this run

name: Build and push Docker image
on:
push:
tags:
- 'v[0-9]*'
jobs:
build:
name: Build (${{ matrix.platform }})
runs-on: ${{ matrix.runner }}
strategy:
fail-fast: false
matrix:
include:
- platform: linux/amd64
runner: ubuntu-24.04
- platform: linux/arm64
runner: ubuntu-24.04-arm
steps:
- uses: actions/checkout@v4
- name: Log in to Docker Hub
uses: docker/login-action@v3
with:
username: ${{ secrets.DOCKERHUB_USERNAME }}
password: ${{ secrets.DOCKERHUB_TOKEN }}
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3
# Build and push platform-specific digest (no manifest tag yet)
- name: Build and push by digest
id: build
uses: docker/build-push-action@v6
with:
context: .
file: docker/Dockerfile
platforms: ${{ matrix.platform }}
push: true
outputs: type=image,name=apluslms/run-gitmanager,push-by-digest=true,name-canonical=true
# Save the digest so the merge job can find it
- name: Export digest
run: |
mkdir -p /tmp/digests
digest="${{ steps.build.outputs.digest }}"
touch "/tmp/digests/${digest#sha256:}"
- name: Upload digest artifact
uses: actions/upload-artifact@v4
with:
name: digest-${{ matrix.platform == 'linux/amd64' && 'amd64' || 'arm64' }}
path: /tmp/digests/*
retention-days: 1
merge:
name: Merge manifests
runs-on: ubuntu-24.04
needs: build
steps:
- name: Download digests
uses: actions/download-artifact@v4
with:
path: /tmp/digests
pattern: digest-*
merge-multiple: true
- name: Log in to Docker Hub
uses: docker/login-action@v3
with:
username: ${{ secrets.DOCKERHUB_USERNAME }}
password: ${{ secrets.DOCKERHUB_TOKEN }}
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3
- name: Determine tags
id: meta
uses: docker/metadata-action@v5
with:
images: apluslms/run-gitmanager
tags: |
type=raw,value=latest
type=match,pattern=v(\d+\.\d+)\.\d+$,group=1
- name: Create and push multi-arch manifest
working-directory: /tmp/digests
run: |
docker buildx imagetools create \
$(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
$(printf 'apluslms/run-gitmanager@sha256:%s ' *)