feat: Replace cli to cobra (#1855)

* Replace cli

* Replace cli

* Replace cli

* Format code

* Add compare case

* Add compare case

* Add compare case

* Support go style flag

* Support go style flag

* Add test case

tools/goctl/docker/cmd.go

@@ -0,0 +1,32 @@
+package docker
+
+import "github.com/spf13/cobra"
+
+var (
+	varStringGo      string
+	varStringBase    string
+	varIntPort       int
+	varStringHome    string
+	varStringRemote  string
+	varStringBranch  string
+	varStringVersion string
+	varStringTZ      string
+
+	// Cmd describes a docker command.
+	Cmd = &cobra.Command{
+		Use:   "docker",
+		Short: "Generate Dockerfile",
+		RunE:  dockerCommand,
+	}
+)
+
+func init() {
+	Cmd.Flags().StringVar(&varStringGo, "go", "", "The file that contains main function")
+	Cmd.Flags().StringVar(&varStringBase, "base", "scratch", "The base image to build the docker image, default scratch")
+	Cmd.Flags().IntVar(&varIntPort, "port", 0, "The port to expose, default none")
+	Cmd.Flags().StringVar(&varStringHome, "home", "", "The goctl home path of the template, --home and --remote cannot be set at the same time, if they are, --remote has higher priority")
+	Cmd.Flags().StringVar(&varStringRemote, "remote", "", "The remote git repo of the template, --home and --remote cannot be set at the same time, if they are, --remote has higher priority\n\tThe git repo directory must be consistent with the https://github.com/zeromicro/go-zero-template directory structure")
+	Cmd.Flags().StringVar(&varStringBranch, "branch", "", "The branch of the remote repo, it does work with --remote")
+	Cmd.Flags().StringVar(&varStringVersion, "version", "", "The goctl builder golang image version")
+	Cmd.Flags().StringVar(&varStringTZ, "tz", "Asia/Shanghai", "The timezone of the container")
+}