# Automatically build and deploy the docker when a release event occurs
name: Publish Images
on:
release:
types: [published]
env:
REGISTRY: ghcr.io
IMAGE_NAME: ${{ github.repository }}
jobs:
build:
runs-on: ubuntu-latest
strategy:
fail-fast: false
matrix:
platform:
- linux/amd64
- linux/arm/v8
steps:
-
name: Checkout
uses: actions/checkout@v3
-
name: Docker meta
id: meta
uses: docker/metadata-action@v4
with:
images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
-
name: Set up QEMU
uses: docker/setup-qemu-action@v2
-
name: Set up Docker Buildx
uses: docker/setup-buildx-action@v2
-
name: Login to GHCR
uses: docker/login-action@v2
with:
registry: ghcr.io
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
-
name: Build and push by digest
id: build
uses: docker/build-push-action@v4
with:
context: .
platforms: ${{ matrix.platform }}
labels: ${{ steps.meta.outputs.labels }}
outputs: type=image,name=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
-
name: Export digest
run: |
mkdir -p /tmp/digests
digest="${{ steps.build.outputs.digest }}"
touch "/tmp/digests/${digest#sha256:}"
-
name: Upload digest
uses: actions/upload-artifact@v3
with:
name: digests
path: /tmp/digests/*
if-no-files-found: error
retention-days: 1
merge:
runs-on: ubuntu-latest
needs:
- build
steps:
-
name: Download digests
uses: actions/download-artifact@v3
with:
name: digests
path: /tmp/digests
-
name: Set up Docker Buildx
uses: docker/setup-buildx-action@v2
-
name: Docker meta
id: meta
uses: docker/metadata-action@v4
with:
images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
tags: |
type=semver,pattern={{version}}
-
name: Login to DockerHub
uses: docker/login-action@v2
with:
registry: ${{ env.REGISTRY }}
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
-
name: Echo tag info
working-directory: /tmp/digests
run: |
echo "$DOCKER_METADATA_OUTPUT_JSON"
-
name: Create manifest list and push
working-directory: /tmp/digests
run: |
docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
$(printf '${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@sha256:%s ' *)
-
name: Inspect image
run: |
docker buildx imagetools inspect ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.version }}