Build container image for lockc on ghcr.io

Signed-off-by: Michal Jura <[email protected]>

.github/workflows/container-image.yml

@@ -0,0 +1,57 @@
+on:
+  push:
+    branches:
+    - main
+    tags:
+    - 'v*'
+
+name: build container image
+
+jobs:
+  build:
+    name: Build container image
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout code
+        uses: actions/checkout@v2
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      -
+        name: Login to GitHub Container Registry
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      -
+        name: Build and push development container image
+        if: ${{ startsWith(github.ref, 'refs/heads/') }}
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/amd64, linux/arm64
+          push: true
+          tags: |
+            ghcr.io/rancher-sandbox/lockc:latest
+      -
+        name: Retrieve tag name
+        if: ${{ startsWith(github.ref, 'refs/tags/') }}
+        run: |
+          echo TAG_NAME=$(echo $GITHUB_REF | sed -e "s|refs/tags/||") >> $GITHUB_ENV
+      -
+        name: Build and push tagged container image
+        if: ${{ startsWith(github.ref, 'refs/tags/') }}
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/amd64
+          push: true
+          tags: |
+            ghcr.io/rancher-sandbox/lockc:${{ env.TAG_NAME }}