Move middleware context handler logic to service (#29605)

* middleware: Move context handler to own service

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

Co-authored-by: Emil Tullsted <sakjur@users.noreply.github.com>
Co-authored-by: Will Browne <wbrowne@users.noreply.github.com>

pkg/infra/remotecache/remotecache.go

@@ -23,8 +23,17 @@ var (
 	defaultMaxCacheExpiration = time.Hour * 24
 )
 
+const (
+	ServiceName = "RemoteCache"
+)
+
 func init() {
-	registry.RegisterService(&RemoteCache{})
+	rc := &RemoteCache{}
+	registry.Register(&registry.Descriptor{
+		Name:         ServiceName,
+		Instance:     rc,
+		InitPriority: registry.Medium,
+	})
 }
 
 // CacheStorage allows the caller to set, get and delete items in the cache.