fix: ensure Dockerfile includes etc directory and correct CMD based on config (#4343)

Co-authored-by: 白少杰macpro <harrellharris68491@gmail.com>

tools/goctl/docker/docker.go

@@ -73,6 +73,7 @@ func dockerCommand(_ *cobra.Command, _ []string) (err error) {
 
 	base := varStringBase
 	port := varIntPort
+	etcDir := filepath.Join(filepath.Dir(goFile), etcDir)
 	if _, err := os.Stat(etcDir); os.IsNotExist(err) {
 		return generateDockerfile(goFile, base, port, version, timezone)
 	}
@@ -170,7 +171,7 @@ func generateDockerfile(goFile, base string, port int, version, timezone string,
 	t := template.Must(template.New("dockerfile").Parse(text))
 	return t.Execute(out, Docker{
 		Chinese:     env.InChina(),
-		GoMainFrom:  path.Join(projPath, goFile),
+		GoMainFrom:  path.Join(projPath, filepath.Base(goFile)),
 		GoRelPath:   projPath,
 		GoFile:      goFile,
 		ExeFile:     exeName,