package apiserver import ( "context" "net" "net/http" ) type contextKey struct { key string } var connContextKey = &contextKey{"http-conn"} func saveConnInContext(ctx context.Context, c net.Conn) context.Context { return context.WithValue(ctx, connContextKey, c) } // Start the server func Start() error { srv := newServer() server := http.Server{ Addr: ":8080", ConnContext: saveConnInContext, Handler: srv, } return server.ListenAndServe() }