What are the steps to establish CD CI for nodejs and deploy it to Azure?

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Here are the steps to establish CD CI for Node.js and deploy it to Azure:

1. Set up a version control system such as Git or Azure DevOps to manage your codebase.
2. Use a CI/CD tool like Jenkins, Azure DevOps, or CircleCI to automatically build and test your code changes.
3. Define your build pipeline by configuring a build script to automate the process of building, testing and packaging your Node.js application. This can be done using tools such as Grunt, Gulp, or npm scripts.
4. Configure automated deployment to an Azure service such as Azure App Service or Azure Kubernetes Service.
5. Set up environment variables and configure your pipeline to use the appropriate secrets and keys required to authenticate with your Azure resources.
6. Ensure that your pipeline includes automated testing at various stages of the pipeline, including unit testing, integration testing, and end-to-end UI testing.
7. Monitor your pipeline using alerts and logs to ensure that your changes are automatically deployed to your Azure environment without any issues.

Overall, the main steps involve creating a reliable build pipeline that automates the build, testing and deployment processes. It is also important to ensure that the pipeline is secure and that it can be easily monitored and maintained.