old_contents: var argv = require('minimist')(process.argv.slice(2))
  var execSync = require('child_process').execSync
  
  if (argv.h || argv.help || argv._.length === 0) {
    console.log('Usage: generate-static name [html]')
    process.exit(0)
  }
  
  var imagename = argv._.shift()
  var html = argv._.shift() || '<h1>Hello Docker</h1>'
  console.log('Image:', imagename)
  console.log('HTML:', html)
  
  var command = 'docker pull nginx:latest'
  console.log(command)
  var pull = execSync(command).toString()
  console.log(pull)
  
  command = 'docker run -d nginx:latest'
  console.log(command)
  var id = execSync(command).toString().replace('\n', '')
  console.log('id', id)
  
  var index = 'echo "' + html + '" > /usr/share/nginx/html/index.html'
  command = 'docker exec ' + id + ' /bin/sh -c "' + index.replace(/"/g, '\\"') + '"'
  console.log(command)
  var done = execSync(command).toString()
  console.log(done)
  
  command = 'docker commit ' + id + ' ' + imagename
  console.log(command)
  var container = execSync(command).toString()
  console.log(container)
  
  console.log('Docker image is now generated:')
  console.log(imagename)
  
new_contents: var argv = require('minimist')(process.argv.slice(2))
  var execSync = require('child_process').execSync
  
  if (argv.h || argv.help || argv._.length === 0) {
    console.log('Usage: generate-static name [html]')
    process.exit(0)
  }
  
  var imagename = argv._.shift()
  var html = argv._.shift() || '<h1>Hello Docker</h1>'
  console.log('Image:', imagename)
  console.log('HTML:', html)
  
  var command = 'docker pull nginx:latest'
  console.log(command)
  var pull = execSync(command).toString()
  console.log(pull)
  
  command = 'docker run -d nginx:latest'
  console.log(command)
  var id = execSync(command).toString().replace('\n', '')
  console.log('id', id)
  
  var index = 'echo "' + html + '" > /usr/share/nginx/html/index.html'
  command = 'docker exec ' + id + ' /bin/sh -c "' + index.replace(/"/g, '\\"') + '"'
  console.log(command)
  var done = execSync(command).toString()
  console.log(done)
  
  command = 'docker commit ' + id + ' ' + imagename
  console.log(command)
  var container = execSync(command).toString()
  console.log(container)
  
  command = 'docker rm -f ' + id
  console.log(command)
  var rm = execSync(command).toString()
  console.log(rm)
  
  console.log('\nDocker image is now generated:')
  console.log(imagename)
  
subject: Remove the container after the image has been created