Build container image

Author: lpil

.github/workflows/build-container.yml

@@ -0,0 +1,26 @@
+name: Build container image
+on:
+  push:
+    tags:
+
+jobs:
+  push:
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+      contents: read
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Build image
+        run: docker build . --file Dockerfile --tag webapp
+
+      - name: Log in to registry
+        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin
+
+      - name: Push image
+        run: |
+          IMAGE_ID=ghcr.io/gleam/packages
+          IMAGE_ID="$IMAGE_ID":$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
+          docker tag webapp $IMAGE_ID:$VERSION
+          docker push $IMAGE_ID:$VERSION