Mention run-mtg script

README.md

@@ -96,3 +96,5 @@ $ docker run --name mtg --restart=unless-stopped -p 444:3128 -p 3129:3129 -d nin
 You will have this tool up and running on port 444. Now curl
 `localhost:3129` to get `tg://` links or do `docker logs mtg`. Also,
 port 3129 will show you some statistics if you are interested in.
+
+Also, you can use [run-mtg.sh](https://github.com/9seconds/mtg/blob/master/run-mtg.sh) script

config/global_ips.go

@@ -24,14 +24,15 @@ func fetchIP(url string) (net.IP, error) {
 	}
 	defer resp.Body.Close() // nolint: errcheck
 
-	respData, err := ioutil.ReadAll(resp.Body)
+	respDataBytes, err := ioutil.ReadAll(resp.Body)
 	if err != nil {
 		return nil, err
 	}
+	respData := strings.TrimSpace(string(respDataBytes))
 
-	ip := net.ParseIP(strings.TrimSpace(string(respData)))
+	ip := net.ParseIP(respData)
 	if ip == nil {
-		return nil, errors.Errorf("ifconfig.co returns incorrect IP %s", resp)
+		return nil, errors.Errorf("ifconfig.co returns incorrect IP %s", respData)
 	}
 
 	return ip, nil

run-mtg.sh

@@ -15,6 +15,7 @@ STAT_PORT=3129
 # docker pull "$IMAGE_NAME"
 docker ps --filter "Name=$CONTAINER_NAME" -aq | xargs -r docker rm -fv
 docker run \
+    -d \
     --name "$CONTAINER_NAME" \
     --sysctl 'net.ipv4.ip_local_port_range=10000 65000' \
     --sysctl net.ipv4.tcp_congestion_control=bbr \