Docker

Docker

Build consistent, portable applications with containerization

Why Docker?

Docker revolutionized application deployment with lightweight containers that package code and dependencies together. Containers run consistently across any environment—from developer laptops to production servers. With Docker, "it works on my machine" becomes "it works everywhere." Companies like PayPal, Spotify, and Uber use Docker for reliable deployments.

Package once, run anywhere—Docker ensures consistency across all environments.

13M+
Developers Use Docker
13B+
Container Downloads
67K+
GitHub Stars

Advantages

Consistency: Same environment everywhere

Lightweight: Faster than VMs

Isolation: Dependencies don't conflict

Scalability: Easy to scale horizontally

Considerations

Learning Curve: New concepts to learn

Orchestration: Need Kubernetes for production

Persistence: Stateful apps require planning

Best Use Cases

Microservices: Containerized services

CI/CD: Consistent build environments

Development: Local dev environments

Cloud Deployment: Portable across clouds

Common Technology Stack

Docker is typically paired with these technologies

Kubernetes

Node.js / Python

PostgreSQL / Redis

Nginx

AWS / Azure / GCP

CI/CD Pipelines

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