Change app port from 8000 to 3000 in docker-compose

Author: Maria-Drambyan

docker-compose.yml

@@ -3,9 +3,9 @@ services:
     build:
       context: .
     ports:
-      - "8000:8000"
+      - "3000:3000"
     volumes:
       - ./data:/app/data
     environment:
       - NODE_ENV=production
-      - PORT=8000
+      - PORT=3000