Docker is the industry-standard containerization platform that packages applications and their dependencies into portable, isolated containers. It enables developers to build once and run anywhere — from a local laptop to any cloud provider — with consistent behavior. Docker Desktop provides a GUI for local development, while Docker Hub hosts the world's largest container image registry. Essential for modern DevOps and microservices architectures.

Docker
Container platform for building, shipping and running apps.
Best for: Development teams who need consistent environments across development, testing and production.
- Free plan
The editorial note
What to know about Docker
Is it right for you?
Who Docker suits
Choose it if
- Development teams who need consistent environments across development, testing and production.
Look elsewhere if
- Very simple single-process apps on a single server — if you are not deploying to multiple environments or collaborating with a team, raw VMs may be simpler
What you get
Key features
- Container image building with Dockerfile
- Docker Compose for multi-service stacks
- Docker Hub container registry
- Docker Desktop GUI for Mac and Windows
- Volume management for persistent data
- Networking between containers
- Docker Scout for security scanning
- Dev Environments for reproducible workspaces
Works with
Integrations8
What it costs
Pricing
| Plan | Price | What it includes |
|---|---|---|
| Personal | FreeBilled monthly | Docker Desktop for personal use, unlimited public images, 1 private repo |
| Pro | $5 / monthBilled monthly | Unlimited private repos, automated builds, Docker Hub CI/CD, 5000 image pulls |
| Team | $9 / user / monthBilled monthly | Team orgs, image access management, audit logs, SSO, SCIM |
| Business | $24 / user / monthBilled monthly | Centralized management, enhanced security controls, 24/7 support, custom agreement |
Prices are recorded from the vendor's public pricing page and can change. Check before you buy.
The trade-off
Pros and cons
Pros
- Run applications consistently across any environment — dev, staging, production
- Docker Hub provides 100,000+ pre-built images for databases, tools, and services
- Docker Compose orchestrates multi-service local development stacks easily
- Lightweight compared to full virtual machines — shares host OS kernel
- Foundation for Kubernetes — Docker knowledge transfers directly to container orchestration
Cons
- Docker Desktop licensing requires paid subscription for larger companies
- Learning curve for developers new to containerization concepts
- Container security requires proper configuration — misconfigurations introduce vulnerabilities
- Debugging containers can be harder than debugging native applications
Quick read
At a glance
- Category
- Development & Coding
- Pricing model
- Freemium
- Entry plan
- Free
- Free plan
- Available
- Free trial
- Not listed
- Website
- docker.com
The verdict
Our take on Docker
The foundation of modern application deployment — every production-grade application should be containerised.
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