Publish Docker Images to GitHub Container Registry

.github/workflows/publish_ghcr.yml

@@ -0,0 +1,63 @@
+# publish_ghcr.yml
+name: Publish
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  publish:
+    if: ${{ !contains(github.event.head_commit.message, '[ci skip]') }}
+    name: "Publish to GitHub Container Registry"
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+      id-token: write
+
+    steps:
+    - name: Enable Docker Cache
+      uses: ScribeMD/docker-cache@0.5.0
+      with:
+        key: docker-${{ runner.os }}-${{ hashFiles('dependencies.sh') }}
+
+    - name: Checkout Project
+      uses: actions/checkout@v6
+
+    - name: Docker Meta
+      id: docker_meta
+      uses: docker/metadata-action@v5
+      with:
+        # list of Docker images to use as base name for tags
+        images: |
+          ghcr.io/starfly-13/sf13
+        # add git short SHA as Docker tag
+        tags: |
+          # branch event
+          type=ref,event=branch
+          # pull request event
+          type=ref,event=pr
+          # full length sha
+          type=sha,format=long
+
+    - name: Login to GitHub Container Registry
+      uses: docker/login-action@v3
+      if: ${{ github.event_name != 'pull_request' }}
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Push Docker Image
+      uses: docker/build-push-action@v6
+      with:
+        context: .
+        tags: ${{ steps.docker_meta.outputs.tags }}
+        labels: ${{ steps.docker_meta.outputs.labels }}
+        push: ${{ github.event_name != 'pull_request' }}