refactor: Mount configs in prod container mode

Temporary until config overhaul in future release

backend/.dockerignore

@@ -1,2 +1,3 @@
 node_modules/
 Dockerfile
+config/default.json

docker-compose.yml

@@ -7,6 +7,7 @@ services:
     volumes:
       - ./.git:/opt/app/.parent_git:ro
       - /opt/app/node_modules
+      - ./backend/config/default.json:/opt/app/config/default.json
     links:
       - mongo
       - redis
@@ -21,6 +22,7 @@ services:
     volumes:
       - ./.git:/opt/app/.parent_git:ro
       - /opt/app/node_modules
+      - ./frontend/dist/config/default.json:/opt/app/dist/config/default.json
     environment:
       - FRONTEND_MODE=${FRONTEND_MODE}
     links:

frontend/.dockerignore

@@ -1,2 +1,3 @@
 node_modules/
 Dockerfile
+dist/config/default.json