tried to fix build error

docker-compose.yml

@@ -5,10 +5,9 @@ services:
     build:
       context: .
       dockerfile: Dockerfile
-    container_name: mitarbeiterpuls-landingpage
-    ports:
-      - "8080:80"
     restart: unless-stopped
+    expose:
+      - "80"
     healthcheck:
       test: ["CMD", "wget", "-q", "-O", "/dev/null", "http://127.0.0.1/health"]
       interval: 30s