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Add Docker Distribution API Version header

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Setting a header for all responses can help clients better determine
if the server speaks the legacy v1 API or the v2 API. It is important
that the header be set *BEFORE* routing the request.

Docker-DCO-1.1-Signed-off-by: Josh Hawn <josh.hawn@docker.com> (github: jlhawn)
This commit is contained in:
Josh Hawn 2015-01-20 12:05:12 -08:00
parent bbc94aef39
commit c4b2249cb2
1 changed files with 2 additions and 0 deletions
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registry/app.go
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@ -88,6 +88,8 @@ func NewApp(configuration configuration.Configuration) *App {
} }
func (app *App) ServeHTTP(w http.ResponseWriter, r *http.Request) { func (app *App) ServeHTTP(w http.ResponseWriter, r *http.Request) {
// Set a header with the Docker Distribution API Version for all responses.
w.Header().Add("Docker-Distribution-API-Version", "registry/2.0")
app.router.ServeHTTP(w, r) app.router.ServeHTTP(w, r)
} }