Add building and pushing job to GH Actions

1 files changed, 38 insertions, 0 deletions

diff --git a/.github/workflows/forms-backend.yml b/.github/workflows/forms-backend.yml
index 5d9e2eb..0d222b6 100644
--- a/.github/workflows/forms-backend.yml
+++ b/.github/workflows/forms-backend.yml
@@ -60,3 +60,41 @@ jobs:
       # This implemention allows showing linting errors in PRs under Files tab.
       - name: Run flake8
         run: "flake8 --format='::error file=%(path)s,line=%(row)d,col=%(col)d::[flake8] %(code)s: %(text)s''"
+
+  build:
+    name: Build & Push
+    runs-on: ubuntu-latest
+
+    needs: [lint]
+    if: github.ref == 'refs/heads/main'
+
+    steps:
+      - name: Create SHA Container Tag
+        id: sha_tag
+        run: |
+          tag=$(cut -c 1-7 <<< $GITHUB_SHA)
+          echo "::set-output name=tag::$tag"
+
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Setup Docker BuildX
+        uses: docker/setup-buildx-action@v1
+
+      - name: Login to Github Container Registry
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ secrets.GHCR_USER }}
+          password: ${{ secrets.GHCR_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          cache-from: type=registry,ref=ghcr.io/python-discord/forms-backend:latest
+          tags: |
+            ghcr.io/python-discord/forms-backend:latest
+            ghcr.io/python-discord/forms-backend:${{ steps.sha_tag.outputs.tag }}