init

internal/middleware/json.go

@@ -0,0 +1,17 @@
+package middleware
+
+import (
+	"github.com/gin-gonic/gin"
+)
+
+const (
+	contentTypeHeader = "Content-Type"
+	jsonContentType   = "application/json"
+)
+
+func JsonAPI() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		c.Writer.Header().Set(contentTypeHeader, jsonContentType)
+		c.Next()
+	}
+}