♻️ Refactor redirect labels to simplify removing the frontend (#1208)

Author: tiangolo

docker-compose.yml

@@ -84,6 +84,12 @@ services:
       - traefik.http.routers.${STACK_NAME?Variable not set}-backend-https.tls=true
       - traefik.http.routers.${STACK_NAME?Variable not set}-backend-https.tls.certresolver=le
 
+      # Define Traefik Middleware to handle domain with and without "www" to redirect to only one
+      - traefik.http.middlewares.${STACK_NAME?Variable not set}-www-redirect.redirectregex.regex=^http(s)?://www.(${DOMAIN?Variable not set})/(.*)
+      # Redirect a domain with www to non-www
+      - traefik.http.middlewares.${STACK_NAME?Variable not set}-www-redirect.redirectregex.replacement=http$${1}://${DOMAIN?Variable not set}/$${3}
+
+      # Enable www redirection for HTTP and HTTPS
       - traefik.http.routers.${STACK_NAME?Variable not set}-backend-http.middlewares=https-redirect,${STACK_NAME?Variable not set}-www-redirect
       - traefik.http.routers.${STACK_NAME?Variable not set}-backend-https.middlewares=${STACK_NAME?Variable not set}-www-redirect
 
@@ -113,16 +119,8 @@ services:
       - traefik.http.routers.${STACK_NAME?Variable not set}-frontend-https.tls=true
       - traefik.http.routers.${STACK_NAME?Variable not set}-frontend-https.tls.certresolver=le
 
-      # Handle domain with and without "www" to redirect to only one
-      # To disable www redirection remove the next line
-      - traefik.http.middlewares.${STACK_NAME?Variable not set}-www-redirect.redirectregex.regex=^http(s)?://www.(${DOMAIN?Variable not set})/(.*)
-      # Redirect a domain with www to non-www
-      # To disable it remove the next line
-      - traefik.http.middlewares.${STACK_NAME?Variable not set}-www-redirect.redirectregex.replacement=http$${1}://${DOMAIN?Variable not set}/$${3}
-      # Middleware to redirect www, to disable it remove the next line
+      # Enable www redirection for HTTP and HTTPS
       - traefik.http.routers.${STACK_NAME?Variable not set}-frontend-https.middlewares=${STACK_NAME?Variable not set}-www-redirect
-      # Middleware to redirect www, and redirect HTTP to HTTPS
-      # to disable www redirection remove the section: ${STACK_NAME?Variable not set}-www-redirect,
       - traefik.http.routers.${STACK_NAME?Variable not set}-frontend-http.middlewares=https-redirect,${STACK_NAME?Variable not set}-www-redirect
 volumes:
   app-db-data: