- adds a Dockerfile to build the app in container

- adds app to the docker-compose.yml file

docker-compose.yml

@@ -7,6 +7,20 @@ services:
       - "27017:27017"
     volumes:
       - mongo_data:/data/db
+  app:
+    build: .
+    container_name: dailytrends_app
+    ports:
+      - "3000:3000"
+    environment:
+      - MONGO_URI=mongodb://mongo:27017/dailytrends
+    depends_on:
+      - mongo
+    volumes:
+      - .:/app
+      - /app/node_modules
+    command: npm run dev  # for development
+    # change to "npm start" for production
 
 volumes:
   mongo_data: