fix

cmd/main.go

+package main
+
+import (
+	"fmt"
+	"net/http"
+)
+
+func main() {
+
+	http.HandleFunc("/hello", handlerHello)
+	http.ListenAndServe("localhost:8080", nil)
+
+}
+
+func handlerHello(w http.ResponseWriter, r *http.Request) {
+
+	fmt.Fprintln(w, "hello")
+
+}
\ No newline at end of file

go.mod

@@ -3,11 +3,3 @@ module assignment-1
 go 1.13
 
 // +heroku goVersion go1.13
\ No newline at end of file
-/*
-require (
-	github.com/gorilla/mux v1.7.3 // indirect
-	github.com/mitchellh/go-homedir v1.1.0
-	github.com/spf13/cobra v0.0.5
-	github.com/spf13/viper v1.4.0
-)
-*/
\ No newline at end of file