Merge pull request #113 from hummingbot/docker-build

update gateway workflow

.github/workflows/workflow.yml

@@ -102,3 +102,30 @@ jobs:
           ./node_modules/.bin/jest --listTests  --findRelatedTests ${DIFF_FILES//$'\n'/ }
           NODE_OPTIONS=--max-old-space-size=10240 node ./node_modules/.bin/jest --runInBand --coverage --findRelatedTests ${DIFF_FILES//$'\n'/ }
 #          git diff origin/$GITHUB_BASE_REF | yarn diff-test-coverage -c ./coverage/lcov.info -t lcov -b 50 -l 60
+
+  docker_build_and_push:
+    runs-on: ubuntu-latest
+    needs: [build_gateway]
+    if: github.event_name == 'pull_request' && github.event.pull_request.merged == true
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v1 
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          push: true
+          tags: hummingbot/gateway:latest
+          platforms: linux/amd64,linux/arm64
+
+