add 2 subject & add matomo analytics

docker-compose.yml

@@ -1,11 +1,9 @@
 services:
-  web:
+  nextjs:
     build: .
+    container_name: learn-app
     ports:
-      - "3000:3000"
-    volumes:
-      - ./:/app
-      - /app/node_modules
+      - "${WEB_PORT}:3000"
     environment:
-      - NODE_ENV=development
-    command: npm run dev
+      - NODE_ENV=${NODE_ENV}
+    restart: unless-stopped