Remove iris

Author: ilyaglow

README.md

@@ -4,9 +4,7 @@
 DOR - Domain Ranker
 -------------------
 
-Fast HTTP service (build on top of amazing
-[iris framework](https://github.com/kataras/iris)) which shows a specified
-domain rank from following providers:
+Fast HTTP service which shows a specified domain rank from following providers:
 - [Alexa](https://www.alexa.com/topsites)
 - [Majestic](https://blog.majestic.com/development/alexa-top-1-million-sites-retired-heres-majestic-million/)
 - [Umbrella OpenDNS](https://umbrella.cisco.com/blog/2016/12/14/cisco-umbrella-1-million/)
@@ -53,10 +51,8 @@ Or if you want just in-memory database:
 dor-web-inmemory -h
 
 Usage of dor-web-inmemory:
-  -host string
-    	IP-address to bind (default "127.0.0.1")
-  -port string
-    	Port to bind (default "8080")
+  -listen string
+    	Listen address to bind (default "127.0.0.1:8080")
 ```
 
 ## Docker usage

web/web.go

@@ -1,23 +1,28 @@
 package dorweb
 
 import (
+	"encoding/json"
 	"log"
+	"net/http"
 
 	"github.com/ilyaglow/dor"
-	"github.com/kataras/iris"
+	"github.com/julienschmidt/httprouter"
 )
 
 // Serve represents a web interaction with the DomainRank
 func Serve(address string, d *dor.App) {
-	app := iris.New()
-	app.Get("/rank/{domain:string}", func(ctx iris.Context) {
-		r, err := d.Find(ctx.Params().Get("domain"))
+	router := httprouter.New()
+	router.GET("/rank/:domain", func(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
+		result, err := d.Find(ps.ByName("domain"))
 		if err != nil {
-			ctx.StatusCode(iris.StatusBadRequest)
-		} else {
-			ctx.JSON(r)
+			http.Error(w, err.Error(), http.StatusBadRequest)
+			return
 		}
-	})
 
-	log.Fatal(app.Run(iris.Addr(address), iris.WithCharset("UTF-8")))
+		enc := json.NewEncoder(w)
+		if err := enc.Encode(result); err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+		}
+	})
+	log.Fatal(http.ListenAndServe(address, router))
 }