问如何在VueJS项目中的构建时使用环境变量

EN

build:
  image: node:latest
  stage: build
  variables:
    CI_COMMIT_SHORT_SHA: "$CI_COMMIT_SHORT_SHA"
  artifacts:
    paths:
      - dist/
  script:
    - npm install --progress=false
    - npm run build
    - echo "Build Complete"

<template>
  <div class="hello">
    <h1>{{ msg }}</h1>
    <p>This is a static site that is served with a CloudFront distribution in front of an S3 bucket.</p>
    <p>The site is updated through a GitLab CI/CD pipeline.</p>
    <p>Commit ref: {{ commit }}</p>
    <p>Using cache invalidation</p>
  </div>
</template>

<script>
export default {
  name: 'HelloWorld',
  props: {
    msg: String
  },
  data(){
    return {
      commit: process.env.CI_COMMIT_SHORT_SHA
    }
  }
}
</script>