Docker is an open platform for developing, shipping, and running applications. Docker lets you separate your applications from your infrastructure to deliver software quickly. With Docker, you can manage your infrastructure as you organize your applications. By taking advantage of Docker’s shipping, testing, and deploying code methodologies, you can significantly reduce the delay between writing and running code in production.
The Docker platform
Docker provides the ability to package and run an application in a loosely isolated environment called a container. The isolation and security let you run many containers simultaneously on a given host. Containers are lightweight and contain everything needed to run the application, so you don’t need to rely on what’s installed on the host. You can share containers while you work and be sure that everyone you communicate with gets the same container that works in the same way.
Docker provides tooling and a platform to manage the lifecycle of your containers:
- Develop your application and its supporting components using containers.
- The container becomes the unit for distributing and testing your application.
- When ready, deploy your application into your production environment as a container or an orchestrated service. This works the same whether your production environment is a local data center, cloud provider, or hybrid.
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