Compiled from the “Development Tips” series, a roundup of common problems and solutions in Docker usage and operations. 1. Basic Docker Machine Commands Create the my-vm-name virtual machine 1 docker-machine create --driver virtualbox my-vm-name List all docker-machine instances 1 2 3 4 docker-machine ls NAME ACTIVE DRIVER STATE URL SWARM

1. About PaaS 1.1 What Is PaaS PaaS is short for Platform as a Service, a type of cloud computing service that provides a computing platform along with solution services. The emergence of PaaS accelerated the growth of SaaS, and in particular sped up the development of SaaS applications. For example, when developing SaaS, using the login, database, cache, and other services uniformly provided by a PaaS platform greatly reduces the manpower and cost of building those services.

1. What Docker Is Docker was born in early 2013 as a side project inside dotCloud (the former name of Docker Inc.). Its source code is hosted on GitHub, it is written in Go, and it follows the Apache 2.0 open-source license. The goal of the Docker project is to provide a lightweight operating system virtualization solution.