⬆️ Update label for HTTP basic auth to new syntax

Author: tiangolo

docker-swarm-mode-and-distributed-traefik-proxy-with-https/README.md

@@ -247,7 +247,7 @@ services:
         - traefik.redirectorservice.frontend.redirect.entryPoint=https
         # Traefik service that listens to HTTPS
         - traefik.webservice.frontend.entryPoints=https
-        - traefik.frontend.auth.basic=${USERNAME}:${HASHED_PASSWORD}
+        - traefik.frontend.auth.basic.users=${USERNAME}:${HASHED_PASSWORD}
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock
     command: >