diff --git a/Dockerfile b/Dockerfile
index daef32d..aa7547b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,18 +1,11 @@
-FROM golang:1.17-alpine AS build-env
+FROM golang:1.21-alpine AS build-env
 RUN apk update
-RUN apk add iptables-dev libpcap-dev
+RUN apk add g++ git make iptables-dev libpcap-dev
 
 RUN mkdir -p /opt/glutton
 WORKDIR /opt/glutton
 
-RUN apk add g++ git make
-
 RUN cd $WORKDIR
-ENV GO111MODULE=on
-
-# Fetch dependencies
-COPY go.mod ./
-RUN go mod download
 
 ADD . .
 
diff --git a/protocols/tcp/ftp.go b/protocols/tcp/ftp.go
index 6ca2b8e..1480d9a 100644
--- a/protocols/tcp/ftp.go
+++ b/protocols/tcp/ftp.go
@@ -25,7 +25,7 @@ type ftpServer struct {
 	conn   net.Conn
 }
 
-func (s *ftpServer) read(logger interfaces.Logger, h interfaces.Honeypot) (string, error) {
+func (s *ftpServer) read(_ interfaces.Logger, _ interfaces.Honeypot) (string, error) {
 	msg, err := bufio.NewReader(s.conn).ReadString('\n')
 	if err != nil {
 		return msg, err
diff --git a/protocols/tcp/http.go b/protocols/tcp/http.go
index 9155186..2cfbfb4 100644
--- a/protocols/tcp/http.go
+++ b/protocols/tcp/http.go
@@ -88,7 +88,7 @@ func handlePOST(req *http.Request, conn net.Conn, buf *bytes.Buffer, logger inte
 
 // scanning attempts for CVE-2019-19781
 // based on https://github.com/x1sec/citrix-honeypot/
-func smbHandler(conn net.Conn, r *http.Request) error {
+func smbHandler(conn net.Conn, _ *http.Request) error {
 	// if strings.ContainsRune(r.URL.RawPath, '%') {
 	// with IDS evasion."
 	// }