go-hello-world-router.go

func main() {
	router := gin.Default()
	router.LoadHTMLGlob("templates/*")

	router.GET("/", func(c *gin.Context) {
		c.HTML(http.StatusOK, "index.tmpl", gin.H{
			"title": "Main website",
		})
	})

	router.GET("/hi", func(c *gin.Context) {
		c.JSON(200, gin.H{
			"message": "hi",
		})
	})

	port := os.Getenv("VCAP_APP_PORT")
	if port == "" {
		port = "8080"
	}
	router.Run(":" + port)
}