0

controllers/health.go

@@ -10,6 +10,7 @@ import (
 type HealthController struct{}
 
 func (h *HealthController) Healthy(w http.ResponseWriter, r *http.Request) {
+	w.Header().Del("Content-Type")
 	w.WriteHeader(http.StatusOK)
 }
 
@@ -18,8 +19,9 @@ func (h *HealthController) Metrics(w http.ResponseWriter, r *http.Request) {
 
 	output += fmt.Sprintf("mangadex_item_count{type=\"user\"} %v\n", countUsers())
 
-	w.Write([]byte(output))
+	w.Header().Del("Content-Type")
 	w.WriteHeader(http.StatusOK)
+	w.Write([]byte(output))
 }
 
 func countUsers() int {

controllers/user.go

@@ -25,7 +25,6 @@ func (u *UserController) GetAll(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	w.Header().Add("Content-Type", "application/json; charset=utf-8")
 	w.WriteHeader(http.StatusOK)
 	w.Write(usersJSON)
 }
@@ -50,7 +49,6 @@ func (u *UserController) GetOne(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	w.Header().Add("Content-Type", "application/json; charset=utf-8")
 	w.WriteHeader(http.StatusOK)
 	w.Write([]byte(*userJSON))
 }

main.go

@@ -38,6 +38,7 @@ func main() {
 
 	r.Use(middlewares.LogMiddleware)
 	r.Use(middlewares.SentryMiddleware)
+	r.Use(middlewares.JSONMiddleware)
 
 	healthRouter := routers.HealthRouter{}
 	healthRouter.RegisterRoutes(r)

middlewares/json.go

@@ -0,0 +1,10 @@
+package middlewares
+
+import "net/http"
+
+func JSONMiddleware(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Add("Content-Type", "application/json; charset=utf-8")
+		next.ServeHTTP(w, r)
+	})
+}