Add sync command for neo4j, fix configuration, add neo4j to docker-compose, fix seed

.dockerignore

@@ -4,3 +4,4 @@ public/system
 public/assets
 node_modules
 storybook
+neo4j

.env.production.sample

@@ -6,6 +6,8 @@ DB_USER=postgres
 DB_NAME=postgres
 DB_PASS=
 DB_PORT=5432
+NEO4J_HOST=neo4j
+NEO4J_PORT=7474
 
 # Federation
 LOCAL_DOMAIN=example.com

app/models/follow.rb

@@ -26,6 +26,10 @@ class Follow < ApplicationRecord
   after_create  :add_to_graph
   after_destroy :remove_from_graph
 
+  def sync!
+    add_to_graph
+  end
+
   private
 
   def add_to_graph

db/seeds.rb

 web_app = Doorkeeper::Application.new(name: 'Web', superapp: true, redirect_uri: Doorkeeper.configuration.native_redirect_uri)
-web_app.save(validate: false)
+web_app.save!

docker-compose.yml

@@ -4,6 +4,10 @@ services:
     image: postgres
   redis:
     image: redis
+  neo4j:
+    image: neo4j
+    environment:
+      - NEO4J_AUTH=none
   app:
     build: .
     env_file: .env.production
@@ -15,6 +19,7 @@ services:
     depends_on:
       - db
       - redis
+      - neo4j
     volumes:
       - ./public/assets:/mastodon/public/assets
       - ./public/system:/mastodon/public/system
@@ -24,5 +29,6 @@ services:
     depends_on:
       - db
       - redis
+      - neo4j
     volumes:
       - ./public/system:/mastodon/public/system

lib/tasks/mastodon.rake

@@ -41,4 +41,11 @@ namespace :mastodon do
       $redis.keys('feed:*').each { |key| $redis.del(key) }
     end
   end
+
+  namespace :graphs do
+    desc 'Syncs all follow relationships to Neo4J'
+    task sync: :environment do
+      Follow.find_each(&:sync!)
+    end
+  end
 end