creaded correct docker image creation file

docker-compose.yml

@@ -1,20 +1,22 @@
-version: '3.8'
+#version: '3.8'
 
 services:
   digiserver:
     build: .
     container_name: digiserver-v2
     ports:
-      - "5000:5000"
+      - "80:5000"
     volumes:
       - ./instance:/app/instance
       - ./app/static/uploads:/app/app/static/uploads
     environment:
       - FLASK_ENV=production
       - SECRET_KEY=${SECRET_KEY:-your-secret-key-change-this}
+      - ADMIN_USERNAME=${ADMIN_USERNAME:-admin}
+      - ADMIN_PASSWORD=${ADMIN_PASSWORD:-admin123}
     restart: unless-stopped
     healthcheck:
-      test: ["CMD", "curl", "-f", "http://localhost:5000/"]
+      test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://localhost:5000/').read()"]
       interval: 30s
       timeout: 10s
       retries: 3