example of main.go that retrieves the Agora credentials from the local environment variables.

main.go

package main

import (
  "log"
  "os"

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

var appID, appCertificate string

func main() {

  appIDEnv, appIDExists := os.LookupEnv("APP_ID")
  appCertEnv, appCertExists := os.LookupEnv("APP_CERTIFICATE")

  if !appIDExists || !appCertExists {
    log.Fatal("FATAL ERROR: ENV not properly configured, check APP_ID and APP_CERTIFICATE")
  } else {
    appID = appIDEnv
    appCertificate = appCertEnv
  }

  api := gin.Default()

  api.GET("/ping", func(c *gin.Context) {
    c.JSON(200, gin.H{
      "message": "pong",
    })
  })

  api.Run(":8080")
}