Merge pull request #3 from rayyansys/gh-actions

Add Github action to build & push docker image to ghcr.io

.github/workflows/docker-build-push.yaml

@@ -0,0 +1,61 @@
+name: Docker Build and Push
+
+env:
+  docker_repository: "rayyansys/kutt"
+
+on:
+  push:
+    branches:
+      - develop
+    tags:
+      - 'v*'
+
+jobs:
+  docker-build-push:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Determine target image name
+        id: image-name
+        run: |
+          IMAGE_ID=ghcr.io/${{ env.docker_repository }}
+
+          # Strip git ref prefix from version
+          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
+
+          # Strip "v" prefix from tag name
+          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
+
+          # Use Docker `latest` tag convention
+          [ "$VERSION" == "develop" ] && VERSION=latest
+
+          IMAGES=
+          IMAGES="$IMAGE_ID:$VERSION"$'\n'$IMAGES
+
+          # debug output
+          echo images $IMAGES
+          echo ::set-output name=images::"$IMAGES"
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      -
+        name: Login to docker registry
+        uses: docker/login-action@v1 
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      -
+        name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
+          push: true
+          tags: ${{ steps.image-name.outputs.images }}