diff --git a/build/forum/Dockerfile b/build/forum/Dockerfile
index 77bc28f..52159cb 100644
--- a/build/forum/Dockerfile
+++ b/build/forum/Dockerfile
@@ -29,5 +29,8 @@ RUN bundle install --deployment
 
 ENV RACK_ENV staging
 ENV NEW_RELIC_ENABLE false
+ENV API_KEY forumapikey
+ENV SEARCH_SERVER "http://elasticsearch:9200"
+ENV MONGOHQ_URL "mongodb://mongodb/cs_comments_service"
 EXPOSE 4567
 CMD ./bin/unicorn -c config/unicorn_tcp.rb -I '.'
diff --git a/deploy/local/templates/docker-compose.yml b/deploy/local/templates/docker-compose.yml
index 9ba0ffc..31a173f 100644
--- a/deploy/local/templates/docker-compose.yml
+++ b/deploy/local/templates/docker-compose.yml
@@ -67,10 +67,6 @@ services:
 
   forum:
     image: regis/openedx-forum:hawthorn
-    environment:
-      API_KEY: "forumapikey"
-      SEARCH_SERVER: "http://elasticsearch:9200"
-      MONGOHQ_URL: "mongodb://mongodb/cs_comments_service"
     restart: unless-stopped
     depends_on:
       - elasticsearch