added (work-in-progess) HTTP server

greataped/cfg/http.go

@@ -0,0 +1,3 @@
+package cfg
+
+const HTTPPort = 8080

greataped/main.go

@@ -2,10 +2,24 @@ package main
 
 import (
 	_ "github.com/reiver/greatape/greataped/arg"
+	"github.com/reiver/greatape/greataped/cfg"
 
 	"fmt"
+	"net/http"
+	"os"
 )
 
 func main() {
 	fmt.Println("greateape daemon 🐒")
+
+	{
+		var addr string = fmt.Sprintf(":%d", cfg.HTTPPort)
+
+		err := http.ListenAndServe(addr, nil)
+		if nil != err {
+			fmt.Fprintf(os.Stderr, "ERROR: problem with HTTP server: %s\n", err)
+			os.Exit(1)
+			return
+		}
+	}
 }