Better error management

.dockerignore

@@ -0,0 +1,3 @@
+s3_cache
+.git
+bagage

Dockerfile

@@ -2,7 +2,8 @@ FROM golang:1.17.0-alpine3.14 as builder
 ENV CGO_ENABLED=0 GOOS=linux GOARCH=amd64
 RUN apk update && apk add --no-cache ca-certificates && update-ca-certificates
 WORKDIR /opt
-COPY *.go go.mod go.sum /opt/
+COPY . /opt/
+RUN ls /opt/
 RUN go build .
 
 FROM scratch 

main.go

@@ -97,6 +97,7 @@ func handleSSHConn(nConn net.Conn, dconfig *Config, config *ssh.ServerConfig) {
 	serverConn, chans, reqs, err := ssh.NewServerConn(nConn, config)
 	if err != nil {
 		log.Printf("failed to handshake: ", err)
+		return
 	}
 	defer serverConn.Conn.Close()
 	user := serverConn.Conn.User()
@@ -120,6 +121,7 @@ func handleSSHConn(nConn net.Conn, dconfig *Config, config *ssh.ServerConfig) {
 		channel, requests, err := newChannel.Accept()
 		if err != nil {
 			log.Print("could not accept channel.", err)
+			return
 		}
 		log.Printf("Channel accepted\n")
 
@@ -155,7 +157,8 @@ func handleSSHConn(nConn net.Conn, dconfig *Config, config *ssh.ServerConfig) {
 		server, err := sftp.NewServer(ctx, channel, &fs)
 
 		if err != nil {
-			log.Fatal(err)
+			log.Println(err)
+			return
 		}
 
 		if err := server.Serve(); err == io.EOF {