add github ci config

.github/workflows/build-container.yml

@@ -0,0 +1,61 @@
+name: container-images
+
+
+on:
+  push:
+    branches: [ "main" ]
+    tags: [ "v*" ]
+
+jobs:
+  build-container-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+    - uses: docker/setup-qemu-action@v3
+    - uses: docker/setup-buildx-action@v3
+
+    - run: echo "IMAGE_TAG=main" >> $GITHUB_ENV
+      if: github.ref_name == 'main'
+    - run: echo "IMAGE_TAG=${GITHUB_REF##*/}" >> $GITHUB_ENV
+      if: startsWith(github.ref, 'refs/tags/v')
+
+    - name: Login to ghcr.io
+      uses: docker/login-action@v3
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Login to docker.io
+      uses: docker/login-action@v2
+      with:
+        username: ${{ secrets.DOCKER_HUB_UID }}
+        password: ${{ secrets.DOCKER_HUB_PAT }}
+
+    - name: Build and push image for tags
+      uses: docker/build-push-action@v5
+      if: startsWith(github.ref, 'refs/tags/v')
+      with:
+        context: . # Because GH actions are for kids and put protection on everything; https://stackoverflow.com/a/71159809/11276254
+        push: true
+        tags: |
+          ghcr.io/${{ github.repository }}:${{ env.IMAGE_TAG }}
+          ghcr.io/${{ github.repository }}:latest
+          ${{ secrets.DOCKER_HUB_REPO }}:${{ env.IMAGE_TAG }}
+          ${{ secrets.DOCKER_HUB_REPO }}:latest
+
+    - name: Build and push image for main
+      uses: docker/build-push-action@v5
+      if: github.ref_name == 'main'
+      with:
+        context: . # Because GH actions are for kids and put protection on everything; https://stackoverflow.com/a/71159809/11276254
+        # platforms: linux/amd64,linux/arm64
+        push: true
+        tags: |
+          ghcr.io/${{ github.repository }}:${{ env.IMAGE_TAG }}
+