Squashed commit of the following: (#124)

commit 78c8d23
Author: wanwiset25 <wanwiset25@gmail.com>
Date:   Wed Dec 20 15:39:23 2023 +0400

    puppeth exit with error code when fails

commit ef0be66
Author: wanwiset25 <wanwiset25@gmail.com>
Date:   Wed Dec 20 15:25:03 2023 +0400

    dockerfile

commit 51bc92a
Author: wanwiset25 <wanwiset25@gmail.com>
Date:   Tue Dec 19 15:04:33 2023 +0400

    add puppeth script

cmd/puppeth/wizard_genesis_file.go

@@ -99,12 +99,14 @@ func (w *wizard) makeGenesisFile() {
 	configFile, err := ioutil.ReadFile(w.options.filePath)
 	if err != nil {
 		fmt.Println("read file error ", err)
+		os.Exit(1)
 		return
 	}
 	var input = NewGenesisInput()
 	// Unmarshal our input YAML file
 	if err := yaml.Unmarshal(configFile, &input); err != nil {
 		fmt.Println("parse YAML error  ", err)
+		os.Exit(1)
 		return
 	}
 	SetDefaultAfterInputRead(input)

docker/Dockerfile

@@ -25,6 +25,7 @@ RUN chmod +x /usr/bin/puppeth
 # Copy over files
 ADD docker/start.sh /work/start.sh
 ADD docker/start-bootnode.sh /work/start-bootnode.sh
+ADD docker/puppeth.sh /work/puppeth.sh
 
 # Create an empty pwd file
 RUN touch /work/.pwd

docker/puppeth.sh

@@ -0,0 +1,2 @@
+#!/bin/bash
+puppeth --file /app/generated/genesis_input.yml --out /app/generated/