package main import ( "net/http" "github.com/gin-gonic/gin" ) type EchoRequest struct { Message string `json:"message" binding:"required"` } func main() { r := gin.Default() // GET /ping r.GET("/ping", func(c *gin.Context) { c.JSON(http.StatusOK, gin.H{"message": "pong"}) }) // POST /echo r.POST("/echo", func(c *gin.Context) { var req EchoRequest if err := c.ShouldBindJSON(&req); err != nil { c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()}) return } c.JSON(http.StatusOK, gin.H{"echo": req.Message}) }) // Server starten auf Port 8080 r.Run(":8080") }