package main
import "github.com/gin-gonic/gin"
import "log"
import "net/http"
import "io"
import "os"

func main() {
	router := gin.Default()
	router.POST("/upload", func(c *gin.Context) {
		file, handler, err := c.Request.FormFile("upload")
		filename := handler.Filename
		log.Println("Received file:", handler.Filename)
		out, err := os.Create("./tmp/"   filename)
		if err != nil {
			log.Fatal(err)
		}
		defer out.Close()
		_, err = io.Copy(out, file)
		if err != nil {
			log.Fatal(err)
		}
		c.String(http.StatusOK, "Uploaded...")
	})
	router.Run(":8080")
}

{
  "client": {
    "name": "",
    "Industry": "",
    "profile_image": "PROFILE-IMAGE-FILE",
    "supporting_docs": {
      "docs": [
        "DOCUMENT1-FILE",
        "DOCUMENT2-FILE"
      ],
      "comments": "Comment test"
    }
  }
}