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|
name: Publish Docker Image
on:
push:
branches:
- master
tags:
- v**
workflow_dispatch:
jobs:
publish:
name: Publish Docker Image to ghcr.io
runs-on: ubuntu-latest
strategy:
fail-fast: false
matrix:
platform: [linux/amd64, linux/arm64]
permissions:
packages: write
steps:
- name: Check out the repo
uses: actions/checkout@v4
- name: Setup version number
run: |
# docker/build-push-action supports comma separated tags
DOCKER_IMAGE_TAG_BASE="ghcr.io/${{ github.repository }}"
DOCKER_IMAGE_TAGS="$DOCKER_IMAGE_TAG_BASE:dev"
# if this is a versioned release, github.ref will start with 'refs/tags/v'
GH_REF="${{ github.ref }}"
# cut off 'refs/tags/v'
if [[ $GH_REF == "refs/tags/v"* ]]; then
VERSION=$(echo $GH_REF | cut -c 12-)
DOCKER_IMAGE_TAGS="$DOCKER_IMAGE_TAGS,$DOCKER_IMAGE_TAG_BASE:latest,$DOCKER_IMAGE_TAG_BASE:$VERSION"
fi
echo "DOCKER_IMAGE_TAGS=\"$DOCKER_IMAGE_TAGS\"" >> $GITHUB_ENV
- name: Check if version already exists in registry
run: |
if docker manifest inspect ghcr.io/${{ github.repository }}:$VERSION > /dev/null 2>&1; then
echo "Image with version $VERSION already exists in registry"
exit 1
fi
- name: Log in to ghcr.io
uses: docker/login-action@v3
with:
registry: ghcr.io
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3
- name: Build and push Docker Image
uses: docker/build-push-action@v6
with:
context: .
file: ./Dockerfile
push: true
tags: ${{ env.DOCKER_IMAGE_TAGS }}
platforms: ${{ matrix.platform }}
cache-from: type=gha
cache-to: type=gha,mode=max
|
