Gin

package main

import "github.com/gin-gonic/gin"

type Product struct {
    Name  string  `json:"name"  binding:"required"`
    Price float64 `json:"price" binding:"required,gt=0"`
}

func main() {
    r := gin.Default()

    r.GET("/products", func(c *gin.Context) {
        c.JSON(200, gin.H{"items": []string{}})
    })

    r.POST("/products", func(c *gin.Context) {
        var p Product
        if err := c.ShouldBindJSON(&p); err != nil {
            c.JSON(400, gin.H{"error": err.Error()})
            return
        }
        c.JSON(201, p)
    })

    r.Run(":8080")
}