Added global redirect middlewares

Author: korridor

configs-local/dynamic/global-middlewares.yml

@@ -22,3 +22,29 @@ http:
         stsIncludeSubdomains: true
         stsPreload: true
         forceSTSHeader: true
+
+    # Redirect non-www URLs to their www equivalent
+    # Use with traefik.http.routers.myRouter.middlewares: "redirect-non-www-to-www@file"
+    # Source: https://www.benjaminrancourt.ca/how-to-redirect-from-non-www-to-www-with-traefik/
+    redirect-non-www-to-www:
+      # Redirect a request from an url to another with regex matching and replacement
+      redirectregex:
+        # Apply a permanent redirection (HTTP 301)
+        permanent: true
+        # The regular expression to match and capture elements from the request URL
+        regex: "^https?://(?:www\\.)?(.+)"
+        # How to modify the URL to have the new target URL
+        replacement: "https://www.${1}"
+
+    # Redirect www URLs to their non-www equivalent
+    # Use with traefik.http.routers.myRouter.middlewares: "redirect-www-to-non-www@file"
+    # Source: https://www.benjaminrancourt.ca/how-to-redirect-from-non-www-to-www-with-traefik/
+    redirect-www-to-non-www:
+      # Redirect a request from an url to another with regex matching and replacement
+      redirectregex:
+        # Apply a permanent redirection (HTTP 301)
+        permanent: true
+        # The regular expression to match and capture elements from the request URL
+        regex: "^https?://www\\.(.+)"
+        # How to modify the URL to have the new target URL
+        replacement: "https://${1}"

configs-prod/dynamic/global-middlewares.yml

@@ -22,3 +22,29 @@ http:
         stsIncludeSubdomains: true
         stsPreload: true
         forceSTSHeader: true
+
+    # Redirect non-www URLs to their www equivalent
+    # Use with traefik.http.routers.myRouter.middlewares: "redirect-non-www-to-www@file"
+    # Source: https://www.benjaminrancourt.ca/how-to-redirect-from-non-www-to-www-with-traefik/
+    redirect-non-www-to-www:
+      # Redirect a request from an url to another with regex matching and replacement
+      redirectregex:
+        # Apply a permanent redirection (HTTP 301)
+        permanent: true
+        # The regular expression to match and capture elements from the request URL
+        regex: "^https?://(?:www\\.)?(.+)"
+        # How to modify the URL to have the new target URL
+        replacement: "https://www.${1}"
+
+    # Redirect www URLs to their non-www equivalent
+    # Use with traefik.http.routers.myRouter.middlewares: "redirect-www-to-non-www@file"
+    # Source: https://www.benjaminrancourt.ca/how-to-redirect-from-non-www-to-www-with-traefik/
+    redirect-www-to-non-www:
+      # Redirect a request from an url to another with regex matching and replacement
+      redirectregex:
+        # Apply a permanent redirection (HTTP 301)
+        permanent: true
+        # The regular expression to match and capture elements from the request URL
+        regex: "^https?://www\\.(.+)"
+        # How to modify the URL to have the new target URL
+        replacement: "https://${1}"

readme.md

@@ -178,6 +178,20 @@ The `max-age` is set to one year / 31536000 seconds.
 
 Adds a permanent redirect to HTTPS.
 
+**redirect-non-www-to-www@file**
+
+Adds a permanent redirect (HTTP 301) from non-www domains to the HTTPS www domain
+Examples:
+- `https://example.test` -> `https://www.example.test`
+- `http://example.test` -> `https://www.example.test`
+
+**redirect-www-to-non-www@file**
+
+Adds a permanent redirect (HTTP 301) from www domains to the HTTPS non-www domain
+Examples:
+- `https://www.example.test` -> `https://example.test`
+- `http://www.example.test` -> `https://example.test`
+
 ### Access Logs
 
 To enable the traefik access logs in the production configuration, open the file `traefik.yml` within the config folder and uncomment the `accessLog` section.