Docker
UnclaimedContainerization that made 'works on my machine' a solved problem
TL;DR - Docker
- Containers that run anywhere consistently
- Package apps with all dependencies included
- Docker Hub hosts millions of images
Pricing: Free plan available
Best for: Growing teams
Score: 88/100
Pricing Plans
Most Popular
Personal
Free
Free
- Unlimited public repos
- 200 pulls/6h
- Docker Desktop
Pro
$5/month
Annual
- 5K pulls/day
- Unlimited teams
- Scout features
Team
$9/user/month
Annual
- 15K pulls/day
- RBAC
- Audit logs
About Docker
Docker made containers practical for everyday development. Package applications with dependencies, run them anywhere identically—the consistency that ended "works on my machine" as an excuse.
Images package everything needed. Compose orchestrates multi-container applications. The ecosystem of pre-built images accelerates development.
Software development changed with Docker. It's infrastructure that's now so fundamental it's assumed.
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Docker FAQ
Docker Desktop is free for personal use, education, and small businesses (under 250 employees and $10M revenue). Paid subscriptions start at $5/user/month (Pro) for professional use.
Docker Pro costs $5/user/month, Team costs $7/user/month, and Business costs $21/user/month. Enterprise features like SSO, audit logs, and compliance require Business tier.
Docker packages applications into containers that run consistently anywhere. It's used for development environments, microservices, CI/CD pipelines, and deploying applications across any infrastructure.
Docker Hub is a registry for finding and sharing container images. It hosts official images for popular software (Node, Python, Postgres) and lets you store your own public or private images.
Docker Desktop runs on Windows, Mac, and Linux. Containers themselves run on Linux kernel, but Docker Desktop handles virtualization for Windows and Mac automatically.
Docker Compose defines multi-container applications in a YAML file. You can start entire stacks (app, database, cache) with one command, making local development and testing easier.
Docker creates and runs containers. Kubernetes orchestrates many containers across multiple machines. Docker is for containerization; Kubernetes is for container orchestration at scale.