Add expose 80 to docker-compose

docker-compose.yml

@@ -1,16 +1,13 @@
 
 services:
-  app:
+  piggy-bank:
     container_name: nonograms-app
-    build:
-      context: .
-      dockerfile: Dockerfile
-    ports:
-      - "8081:80"
+    build: .
     restart: unless-stopped
-    # Uncomment the following lines if you want to mount the configuration locally for development/testing
-    volumes:
-      - ./nginx.conf:/etc/nginx/conf.d/default.conf:ro
+    # ports:
+    #  - "8081:80"
+    expose:
+      - "80"
     networks:
       - npm_public