Disable Content-Type auto-detection by default

docs/content/reference/dynamic-configuration/docker-labels.yml

@@ -17,7 +17,7 @@
 - "traefik.http.middlewares.middleware05.compress=true"
 - "traefik.http.middlewares.middleware05.compress.excludedcontenttypes=foobar, foobar"
 - "traefik.http.middlewares.middleware05.compress.minresponsebodybytes=42"
-- "traefik.http.middlewares.middleware06.contenttype.autodetect=true"
+- "traefik.http.middlewares.middleware06.contenttype=true"
 - "traefik.http.middlewares.middleware07.digestauth.headerfield=foobar"
 - "traefik.http.middlewares.middleware07.digestauth.realm=foobar"
 - "traefik.http.middlewares.middleware07.digestauth.removeheader=true"

docs/content/reference/dynamic-configuration/file.toml

@@ -137,7 +137,6 @@
         minResponseBodyBytes = 42
     [http.middlewares.Middleware06]
       [http.middlewares.Middleware06.contentType]
-        autoDetect = true
     [http.middlewares.Middleware07]
       [http.middlewares.Middleware07.digestAuth]
         users = ["foobar", "foobar"]

docs/content/reference/dynamic-configuration/file.yaml

@@ -141,8 +141,7 @@ http:
           - foobar
         minResponseBodyBytes: 42
     Middleware06:
-      contentType:
-        autoDetect: true
+      contentType: {}
     Middleware07:
       digestAuth:
         users:

docs/content/reference/dynamic-configuration/kubernetes-crd-definition-v1.yml

@@ -762,19 +762,9 @@ spec:
                 type: object
               contentType:
                 description: ContentType holds the content-type middleware configuration.
-                  This middleware exists to enable the correct behavior until at least
-                  the default one can be changed in a future version.
-                properties:
-                  autoDetect:
-                    description: AutoDetect specifies whether to let the `Content-Type`
-                      header, if it has not been set by the backend, be automatically
-                      set to a value derived from the contents of the response. As
-                      a proxy, the default behavior should be to leave the header
-                      alone, regardless of what the backend did with it. However,
-                      the historic default was to always auto-detect and set the header
-                      if it was nil, and it is going to be kept that way in order
-                      to support users currently relying on it.
-                    type: boolean
+                  This middleware sets the `Content-Type` header value to the media
+                  type detected from the response content, when it is not set by the
+                  backend.
                 type: object
               digestAuth:
                 description: 'DigestAuth holds the digest auth middleware configuration.

docs/content/reference/dynamic-configuration/kv-ref.md

@@ -19,7 +19,7 @@
 | `traefik/http/middlewares/Middleware05/compress/excludedContentTypes/0` | `foobar` |
 | `traefik/http/middlewares/Middleware05/compress/excludedContentTypes/1` | `foobar` |
 | `traefik/http/middlewares/Middleware05/compress/minResponseBodyBytes` | `42` |
-| `traefik/http/middlewares/Middleware06/contentType/autoDetect` | `true` |
+| `traefik/http/middlewares/Middleware06/contentType` | `` |
 | `traefik/http/middlewares/Middleware07/digestAuth/headerField` | `foobar` |
 | `traefik/http/middlewares/Middleware07/digestAuth/realm` | `foobar` |
 | `traefik/http/middlewares/Middleware07/digestAuth/removeHeader` | `true` |

docs/content/reference/dynamic-configuration/marathon-labels.json

@@ -17,7 +17,7 @@
 "traefik.http.middlewares.middleware05.compress": "true",
 "traefik.http.middlewares.middleware05.compress.excludedcontenttypes": "foobar, foobar",
 "traefik.http.middlewares.middleware05.compress.minresponsebodybytes": "42",
-"traefik.http.middlewares.middleware06.contenttype.autodetect": "true",
+"traefik.http.middlewares.middleware06.contenttype": "true",
 "traefik.http.middlewares.middleware07.digestauth.headerfield": "foobar",
 "traefik.http.middlewares.middleware07.digestauth.realm": "foobar",
 "traefik.http.middlewares.middleware07.digestauth.removeheader": "true",

docs/content/reference/dynamic-configuration/traefik.containo.us_middlewares.yaml

@@ -185,19 +185,9 @@ spec:
                 type: object
               contentType:
                 description: ContentType holds the content-type middleware configuration.
-                  This middleware exists to enable the correct behavior until at least
-                  the default one can be changed in a future version.
-                properties:
-                  autoDetect:
-                    description: AutoDetect specifies whether to let the `Content-Type`
-                      header, if it has not been set by the backend, be automatically
-                      set to a value derived from the contents of the response. As
-                      a proxy, the default behavior should be to leave the header
-                      alone, regardless of what the backend did with it. However,
-                      the historic default was to always auto-detect and set the header
-                      if it was nil, and it is going to be kept that way in order
-                      to support users currently relying on it.
-                    type: boolean
+                  This middleware sets the `Content-Type` header value to the media
+                  type detected from the response content, when it is not set by the
+                  backend.
                 type: object
               digestAuth:
                 description: 'DigestAuth holds the digest auth middleware configuration.