Upload feature server docker image to ECR on approved PRs (#2014)

Signed-off-by: Tsotne Tabidze <tsotne@tecton.ai>

.github/workflows/pr_integration_tests.yml

@@ -8,10 +8,42 @@ on:
       - labeled
 
 jobs:
+  build-docker-image:
+    # all jobs MUST have this if check for 'ok-to-test' or 'approved' for security purposes.
+    if: (github.event.action == 'labeled' && (github.event.label.name == 'approved' || github.event.label.name == 'ok-to-test'))
+      || (github.event.action != 'labeled' && (contains(github.event.pull_request.labels.*.name, 'ok-to-test') || contains(github.event.pull_request.labels.*.name, 'approved')))
+    runs-on: ubuntu-latest
+    steps:
+      - 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: Set up AWS SDK
+        uses: aws-actions/configure-aws-credentials@v1
+        with:
+          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          aws-region: us-west-2
+      - name: Login to Amazon ECR
+        id: login-ecr
+        uses: aws-actions/amazon-ecr-login@v1
+      - name: Build and push
+        env:
+          ECR_REGISTRY: ${{ steps.login-ecr.outputs.registry }}
+          ECR_REPOSITORY: feast-python-server
+          IMAGE_TAG: ${{ github.sha }}
+        run: |
+          docker build \
+            --file sdk/python/feast/infra/feature_servers/aws_lambda/Dockerfile \
+            --tag $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG \
+            .
+          docker push $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG
   integration-test-python:
     # all jobs MUST have this if check for 'ok-to-test' or 'approved' for security purposes.
     if: (github.event.action == 'labeled' && (github.event.label.name == 'approved' || github.event.label.name == 'ok-to-test'))
       || (github.event.action != 'labeled' && (contains(github.event.pull_request.labels.*.name, 'ok-to-test') || contains(github.event.pull_request.labels.*.name, 'approved')))
+    needs: build-docker-image
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false