Fix docker deploy steps conditions

.drone.yml

@@ -38,6 +38,11 @@ anchors:
         - ARTIFACTORY_USER
         - GITHUB_TOKEN
 
+  when_internal_branch: &when_internal_branch
+    when:
+      event: [push]
+      branch: [internal]
+
 steps:
   - name: setup
     image: ubuntu
@@ -59,8 +64,20 @@ steps:
       ENVIRONMENT: production
       AMPLITUDE_API_KEY: f0b9cf5c530426c3dbacb91e74f009a5
 
+  # Push the staging image, tagged with the branch name. Useful for testing the image in fc-datahub.
+  - name: docker_frontend_development
+    <<: *docker_build_config
+    settings:
+      context : /drone/src/staging/
+      dockerfile: /drone/src/staging/docker/datahub-frontend/Dockerfile
+      tags:
+        - ${DRONE_BRANCH//\//-}
+    depends_on:
+      - build_frontend_staging
+
   - name: docker_frontend_staging
     <<: *docker_build_config
+    <<: *when_internal_branch
     settings:
       context: /drone/src/staging/
       dockerfile: /drone/src/staging/docker/datahub-frontend/Dockerfile
@@ -71,6 +88,7 @@ steps:
 
   - name: docker_frontend_production
     <<: *docker_build_config
+    <<: *when_internal_branch
     settings:
       context: /drone/src/production/
       dockerfile: /drone/src/production/docker/datahub-frontend/Dockerfile