Merge pull request #4 from mihaibogdan10/master

Mount docker postgres volume on host

docker-compose.yml

@@ -14,7 +14,7 @@ services:
       SENTRY_POSTGRES_HOST: postgres
       SENTRY_EMAIL_HOST: smtp
     volumes:
-      - ./data:/var/lib/sentry/files
+      - ./data/sentry:/var/lib/sentry/files
 
   smtp:
     image: tianon/exim4
@@ -27,6 +27,8 @@ services:
 
   postgres:
     image: postgres:9.5
+    volumes:
+      - ./data/postgres:/var/lib/postgresql/data
 
   web:
     extends: base