fix: add SERVER_NAME=:80 for FrankenPHP, remove redundant traefik.docker.network label

docker-compose.yml

@@ -5,6 +5,8 @@ services:
       context: .
       dockerfile: docker/php/Dockerfile
     restart: unless-stopped
+    environment:
+      - SERVER_NAME=:80
     volumes:
       - ./backend:/app
     networks:
@@ -17,7 +19,6 @@ services:
       - "traefik.http.routers.sargasses.tls=true"
       - "traefik.http.routers.sargasses.tls.certresolver=letsencrypt"
       - "traefik.http.services.sargasses.loadbalancer.server.port=80"
-      - "traefik.docker.network=traefik-public"
 
 volumes: {}