package interfaces import ( "encoding/json" "net/http" "time" ) type HealthHandler struct{} func NewHealthHandler() *HealthHandler { return &HealthHandler{} } type healthResponse struct { Status string `json:"status"` Timestamp time.Time `json:"timestamp"` } func (h *HealthHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) { w.Header().Set("Content-Type", "application/json") w.WriteHeader(http.StatusOK) _ = json.NewEncoder(w).Encode(healthResponse{ Status: "ok", Timestamp: time.Now().UTC(), }) }