Push images to ghcr

.github/workflows/push.yaml

@@ -0,0 +1,39 @@
+name: Docker Image CI
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Build the Docker image
+      run: docker build . --file Dockerfile --tag my-image-name:$(date +%s)
+
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v3
+      with:
+        platforms: amd64,arm64
+
+    - name: Log in to Quay.io
+      uses: docker/login-action@v3
+      with:
+        registry: quay.io
+        username: ${{ secrets.REGISTRY_USERNAME }}
+        password: ${{ secrets.REGISTRY_PASSWORD }}
+
+    - name: Build and push images
+      run: |
+        for dir in containerfiles/*/; do
+          repo_name=$(basename "$dir")
+          docker buildx build --platform linux/amd64,linux/arm64 \
+            -t ghcr.io/${{ secrets.REGISTRY_USERNAME }}/${repo_name}:latest \
+            --push "$dir"
+        done