Limit CI releases to commits to master

.drone.yml

@@ -1,14 +1,14 @@
 pipeline:
-  build_website:
+  build:
     image: ruby
     commands:
       - gem install bundler
       - bundle install
       - bundle exec jekyll build
   
-  docker_build:
+  docker:
     image: plugins/docker
-    repo: docker.data.coop/data-coop-website-test
+    repo: docker.data.coop/data-coop-website
     registry: docker.data.coop
     secrets: [DOCKER_USERNAME, DOCKER_PASSWORD]
     username:
@@ -18,3 +18,6 @@ pipeline:
     tag: 
       - "${DRONE_BUILD_NUMBER}"
       - "latest"
+    when:
+      branch:
+        - master