I happened to be writing a new project recently, and I adopted node.js as the back end. Because the project has been switching back and forth between multiple servers, considering that cluster deployment may be carried out in the later stage, Docker is chosen.

Before we continue, let's know what Docker is:

Advantages of Docker:

This project will be deployed quickly using docker. Including docker file configuration, docker packaging image, docker configuration remote warehouse, docker image upload, docker image management, Docker instance deployment, multi-Docker connection (combining node and nginx), and configuration data persistence.