read.go

package main

import (
  "net/http"
  "encoding/json"
  "io/ioutil"
  "log"
  "fmt"
)

type data []map[string]string

func returnJSON(w http.ResponseWriter, r *http.Request) {
  jsonFile, _ := ioutil.ReadFile("./data.json")

  var p data

  fmt.Println("Starting")

  _ = json.Unmarshal(jsonFile, &p)

  w.Header().Set("Content-Type", "application/json")
  w.Write(jsonFile)
}

func main() {
  http.HandleFunc("/", returnJSON)

  err := http.ListenAndServe(":9090", nil)

  if err != nil {
    log.Fatal("ListenAndServe: ", err)
  }
}