auto publish docker images

.github/workflows/docker.yml

@@ -0,0 +1,84 @@
+name: Publish Docker image
+
+on:
+    release:
+        types: [published]
+
+env:
+    IMAGE_NAME: ${{ github.event.repository.name }}
+
+jobs:
+    push-to-docker-hub:
+        name: Push Docker image to Docker Hub
+        runs-on: ubuntu-latest
+        steps:
+            - name: Check out the repo
+              uses: actions/checkout@v4
+
+            - name: Log in to Docker Hub
+              uses: docker/login-action@v3
+              if: github.event_name != 'pull_request'
+              with:
+                  username: ${{ secrets.DOCKER_USERNAME }}
+                  password: ${{ secrets.DOCKER_PASSWORD }}
+
+            - name: Extract metadata (tags, labels) for Docker
+              id: meta
+              uses: docker/metadata-action@v5
+              with:
+                  images: ${{ secrets.DOCKER_USERNAME }}/${{ env.IMAGE_NAME }}
+                  tags: |
+                      type=ref,event=branch
+                      type=ref,event=pr
+                      type=semver,pattern={{version}}
+                      type=semver,pattern={{major}}.{{minor}}
+
+            - name: Build and push Docker image
+              uses: docker/build-push-action@v5
+              with:
+                  context: .
+                  push: ${{ github.event_name != 'pull_request' }}
+                  tags: ${{ steps.meta.outputs.tags }}
+                  labels: ${{ steps.meta.outputs.labels }}
+
+    push-to-github:
+        name: Push Docker image to GitHub Packages
+        runs-on: ubuntu-latest
+
+        env:
+            REGISTRY: ghcr.io
+
+        permissions:
+            contents: read
+            packages: write
+
+        steps:
+            - name: Check out the repo
+              uses: actions/checkout@v4
+
+            - name: Log in to GitHub Packages
+              uses: docker/login-action@v3
+              if: github.event_name != 'pull_request'
+              with:
+                  registry: docker.pkg.github.com
+                  username: ${{ github.actor }}
+                  password: ${{ secrets.GITHUB_TOKEN }}
+
+            - name: Extract metadata (tags, labels) for Docker
+              id: meta
+              uses: docker/metadata-action@v5
+              with:
+                  images: ${{ env.REGISTRY }}/${{ github.actor }}/${{ env.IMAGE_NAME }}
+                  tags: |
+                      type=ref,event=branch
+                      type=ref,event=pr
+                      type=semver,pattern={{version}}
+                      type=semver,pattern={{major}}.{{minor}}
+
+            - name: Build and push Docker image
+              uses: docker/build-push-action@v5
+              with:
+                  context: .
+                  push: ${{ github.event_name != 'pull_request' }}
+                  tags: ${{ steps.meta.outputs.tags }}
+                  labels: ${{ steps.meta.outputs.labels }}