Listen http server in main thread

frontend/main.go

@@ -2,9 +2,11 @@ package main
 
 import (
 	"fmt"
+	"net"
 
 	"github.com/sirupsen/logrus"
 	"github.com/spf13/viper"
+	"github.com/valyala/fasthttp"
 
 	"code.tokarch.uk/mainnika/nikita-tokarch-uk/frontend/config"
 )
@@ -28,6 +30,33 @@ func main() {
 		logrus.Warnf("Cannot unmarshal config, %v", err)
 	}
 
-	logrus.Infof("Version: %s", Version)
-	logrus.Debugf("Conf: %#v", config)
+	var netw, addr string
+	switch {
+	case config.Addr != "":
+		netw = "tcp"
+		addr = config.Addr
+	case config.Unix != "":
+		netw = "unix"
+		addr = config.Unix
+	default:
+		panic("no address given")
+	}
+	netListener, err := net.Listen(netw, addr)
+	if err != nil {
+		logrus.Fatal(err)
+	}
+
+	httpServer := fasthttp.Server{
+		Logger:  logrus.StandardLogger(),
+		GetOnly: true,
+	}
+
+	logrus.Infof("Version: %s", Version)
+	logrus.Debugf("Addr: %s+%s", netw, addr)
+	logrus.Debugf("Conf: %#v", config)
+
+	err = httpServer.Serve(netListener)
+	if err != nil {
+		logrus.Fatal(err)
+	}
 }

go.mod

@@ -6,4 +6,5 @@ require (
 	github.com/sirupsen/logrus v1.8.1
 	github.com/spf13/pflag v1.0.5
 	github.com/spf13/viper v1.9.0
+	github.com/valyala/fasthttp v1.31.0
 )