Merge pull request usha-mandya#2 from usha-mandya/usha-mandya-patch-1

Update main.yml

.github/workflows/main.yml

@@ -0,0 +1,45 @@
+name: CI to Docker hub 
+
+on:
+
+  push:
+
+    branches: [ master ]
+
+  steps:
+
+      -
+
+        name: Login to DockerHub
+
+        uses: docker/login-action@v1 
+
+        with:
+
+          username: ${{ secrets.DOCKER_HUB_USERNAME }}
+
+          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
+
+      -
+
+        name: Build and push
+
+        id: docker_build
+
+        uses: docker/build-push-action@v2
+
+        with:
+
+          context: ./
+
+          file: ./Dockerfile
+
+          push: true
+
+          tags: bengotch/simplewhale:latest
+
+      -
+
+        name: Image digest
+
+        run: echo ${{ steps.docker_build.outputs.digest }}