WIP: PoC of Gitlab->Github

.github/workflows/build_poc.yml

@@ -0,0 +1,28 @@
+name: Build and Push Docker Image
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build-and-push:
+    env:
+      GIT_DEPTH: "0"
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Build and Push Docker Image
+        env:
+          CR_PAT: ${{ secrets.GITHUB_TOKEN }}
+        timeout-minutes: 10
+        run: |
+          echo $CR_PAT | docker login ghcr.io -u $GITHUB_REPOSITORY --password-stdin
+          docker buildx create --use
+          docker buildx build --platform linux/amd64,linux/arm64 -t ghcr.io/$GITHUB_REPOSITORY/gooddata-data-pipeline-meltano:v3.1.0-python3.11 -f Dockerfile_meltano .
+          docker push ghcr.io/$GITHUB_REPOSITORY/gooddata-data-pipeline-meltano:v3.1.0-python3.11