Add custom neo4j dockerfile with graphaware and noderank plugins

docker-compose.yml

@@ -5,14 +5,14 @@ services:
   redis:
     image: redis
   neo4j:
-    image: neo4j
-    environment:
-      - NEO4J_AUTH=none
-  app:
-    build: .
-    env_file: .env.production
+    build:
+      context: .
+      dockerfile: Dockerfile.neo4j
   web:
-    extends: app
+    build:
+      context: .
+      dockerfile: Dockerfile.app
+    env_file: .env.production
     command: bundle exec rails s -p 3000 -b '0.0.0.0'
     ports:
       - "3000:3000"
@@ -24,7 +24,10 @@ services:
       - ./public/assets:/mastodon/public/assets
       - ./public/system:/mastodon/public/system
   sidekiq:
-    extends: app
+    build:
+      context: .
+      dockerfile: Dockerfile.app
+    env_file: .env.production
     command: bundle exec sidekiq -q default -q mailers
     depends_on:
       - db