Upgrade: Use postgres 11.6 in docker-compose (#391)

docker-compose.production.yaml

@@ -27,7 +27,7 @@ services:
     command: ["bundle", "exec", "rails", "s", "-p", "3000", "-b", "0.0.0.0"]
 
   postgres:
-    image: postgres:9.6
+    image: postgres:11.6
     restart: always
     ports:
       - '5432:5432'
@@ -51,4 +51,4 @@ volumes:
   redis:
   bundle:
   packs:
-  node_modules_rails:
+  node_modules_rails:

docker-compose.yaml

@@ -38,7 +38,7 @@ services:
       - RAILS_ENV=development
     entrypoint: docker/entrypoints/rails.sh
     command: ["bundle", "exec", "rails", "s", "-p", "3000", "-b", "0.0.0.0"]
-  
+
   webpack:
     <<: *base
     build:
@@ -61,7 +61,7 @@ services:
     command: bin/webpack-dev-server
 
   postgres:
-    image: postgres:9.6
+    image: postgres:11.6
     restart: always
     ports:
       - '5432:5432'
@@ -91,4 +91,4 @@ volumes:
   redis:
   packs:
   node_modules:
-  cache:
+  cache: