registry: fix binary JSON content-type

This fixes registry endpoints to return the proper `application/json`
content-type for JSON content, also updating spec examples for that.

As per IETF specification and IANA registry [0], the `application/json`
type is a binary media, so the content-type label does not need any
text-charset selector. Additionally, the media type definition
explicitly states that it has no required nor optional parameters,
which makes the current registry headers non-compliant.

[0]: https://www.iana.org/assignments/media-types/application/json

Signed-off-by: Luca Bruno <lucab@debian.org>
This commit is contained in:
Luca Bruno 2019-01-14 08:53:03 +00:00 committed by Luca Bruno
parent 91b0f0559e
commit 15b0204758
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12 changed files with 135 additions and 135 deletions

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@ -60,7 +60,7 @@ return this response:
```
HTTP/1.1 401 Unauthorized
Content-Type: application/json; charset=utf-8
Content-Type: application/json
Docker-Distribution-Api-Version: registry/2.0
Www-Authenticate: Bearer realm="https://auth.docker.io/token",service="registry.docker.io",scope="repository:samalba/my-app:pull,push"
Date: Thu, 10 Sep 2015 19:32:31 GMT