testing pushing to dockerhub

.github/workflows/docker_build.yml

@@ -38,10 +38,25 @@ jobs:
         id: tag
         env:
           DEFAULT_BUMP: patch
-          GITHUB_TOKEN: ${{ secrets.BROADBOT_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.BROADBOT_TOKEN }} # this allows the push to succeed later
           RELEASE_BRANCHES: develop
           WITH_V: true
 
+      - name: Construct dockerhub and GCR image names
+        id: image-name
+        run: |
+          echo ::set-output name=DOCKERHUB_NAME::broadinstitute/agora:${{ steps.tag.outputs.new_tag }}
+          echo ::set-output name=GCR_NAME::gcr.io/broad-dsp-gcr-public/agora:${{ steps.tag.outputs.new_tag }}
+
       - name: Build image
         run: |
-          docker build -t agora:${{ steps.tag.outputs.new_tag }} .
+          docker build -t ${{ steps.image-name.outputs.DOCKERHUB_NAME }} .
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v1
+        with:
+          username: dsdejenkins
+          password: ${{ secrets.DSDEJENKINS_DOCKERHUB_PASSWORD }}
+
+      - name: Push dockerhub image
+        run: docker push ${{ steps.image-name.outputs.DOCKERHUB_NAME }}