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Docker logo: Package apps into containers so they run the same on your laptop and on a server.
Docker logo: Package apps into containers so they run the same on your laptop and on a server.

Docker

✓Server ToolsFree
www.docker.com/
Docker logo: Package apps into containers so they run the same on your laptop and on a server.

Docker

Docker is free. Package apps into containers so they run the same on your laptop and on a server.

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What is Docker?

Docker is free. Docker builds and runs containers — lightweight packages that include your app and its dependencies. Developers use Docker Desktop locally; teams run the same images on VPS hosts, Kubernetes, or cloud container services. The Engine is open source; Docker Desktop is free for individuals and small businesses, with paid plans for larger commercial use.

Docker is a tool in the Server Tools category of a tech stack.

Level

BeginnerVibe coderPro

Key Features

Build and run containers locallySame image from laptop to serverCompose for multi-service appsHuge library of official imagesWorks with most cloud hostsDocker Desktop for Mac and Windows

Docker Pros & Cons

Pros of Docker

  • Same environment everywhere

  • Huge ecosystem and docs

  • Easy to ship Node, Python, and more

  • Pairs well with Nginx and VPS hosts

Cons of Docker

  • Desktop licensing for large companies

  • Learning curve for networking and volumes

  • Can be heavy on smaller machines