Golang YAML to JSON with Gin : https://medium.com/@etiennerouzeaud/golang-yaml-to-json-with-gin-e2e1529274b1

config.yml

'title': 'This is my go blog'
'email': 'go@email.com'
'tags': [go, golang, yaml, json]

main.go

package main

import (
	"log"
	"io/ioutil"

	"gopkg.in/gin-gonic/gin.v1"
	"gopkg.in/yaml.v2"
)

type Config struct {
	Title string `json:"title"`
	Email string `json:"email"`
	Tags []string `json:"tags"`
}


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

	r.GET("", func(c *gin.Context) {
		data, err := ioutil.ReadFile("config.yml")
		if err != nil {
            log.Fatalf("error: %v", err)
        }

		var config Config
		err = yaml.Unmarshal([]byte(data), &config)
        if err != nil {
            log.Fatalf("error: %v", err)
        }

        result := Config{
        	Title: config.Title,
        	Email: config.Email,
        	Tags: config.Tags,
        }

        c.JSON(200, result)
	})

	r.Run(":3000")
}