使用CircleCI部署Django应用到AWS Elastic Beanstalk的示例代码

本示例代码展示了如何使用CircleCI自动化部署Django应用到AWS Elastic Beanstalk上，并且进行自动化测试和持续集成。通过配置CircleCI的工作流，我们可以将代码推送到GitHub后，自动构建Docker镜像，然后使用AWS Elastic Beanstalk进行部署。

# CircleCI config.yml
version: 2.1
jobs:
  build:
    docker:
     #指定构建镜像
      - image: circleci/python:3.7
    steps:
      - checkout
      - run:
          name: Install dependencies
          command: |
            pip install --upgrade pip
            pip install -r requirements.txt
      # 运行测试脚本
      - run:
          name: Run tests
          command: |
            python manage.py test
      - store_artifacts:
          path: test-reports/
  deploy:
    machine:
      # 部署环境变量配置
      enabled: true
      environment:
        AWS_ACCESS_KEY_ID: AWS_ACCESS_KEY_ID
        AWS_SECRET_ACCESS_KEY: AWS_SECRET_ACCESS_KEY
    steps:
      - checkout
      - run:
          name: Install AWS CLI
          command: |
            echo 'deb http://deb.debian.org/debian jessie-backports main' >> /etc/apt/sources.list
            apt-get update
            apt-get install -y --no-install-recommends python3 python3-pip python3-setuptools python3-wheel
            pip3 install awscli
      # 配置AWS Elastic Beanstalk
      - deploy:
          command: |
            aws configure set aws_access_key_id $AWS_ACCESS_KEY_ID
            aws configure set aws_secret_access_key $AWS_SECRET_ACCESS_KEY
            aws configure set region us-east-1
            aws elasticbeanstalk create-application-version --application-name "my-app" --version-label v1 --source-bundle S3Bucket="my-bucket",S3Key="my-app-v1.zip"
            aws elasticbeanstalk update-environment --environment-name "my-app-env" --version-label v1
          environment:
            AWS_ACCESS_KEY_ID: AWS_ACCESS_KEY_ID
            AWS_SECRET_ACCESS_KEY: AWS_SECRET_ACCESS_KEY
          # 在部署成功后通知Slack
          # Slack通知的部署结果
          requires:
            - build
          filters:
            branches:
              only: master
workflows:
  build-and-deploy:
    jobs:
      - build
      - deploy:
          requires:
            - build
          filters:
            branches:
              only: master

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