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DevOps technology
Dockerdevelopment expertise.
A platform for developing, shipping, and running applications in containers.
Category
DevOps
Learning curve
Moderate
Introduced
2013
Overview
Where Docker fits in a modern product.
Docker is a platform that uses OS-level virtualization to deliver software in packages called containers. Containers are isolated from each other and bundle their own software, libraries and configuration files.
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Isolation
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Portability
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Scalability
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Microservices
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CI/CD Integration
Product use cases
What teams build with Docker.
The technology is most valuable when its strengths match the product, team and operating context.
Application Deployment
Microservices Architecture
Development Environments
Continuous Integration
Engineering assessment
Strengths and trade-offs, considered together.
Technology selection should account for product requirements, team capability, ecosystem maturity and long-term ownership.
Strengths
- Consistent environments
- Resource efficiency
- Fast deployment
- Isolation
- Scalability
- Large ecosystem
Considerations
- Security concerns if misconfigured
- Persistent storage complexity
- Networking complexity
- Windows support limitations
Getting started
Install Docker Desktop, learn basic commands, create a Dockerfile for your application, build an image, and run containers.
Best practices
Use multi-stage builds, minimize image size, follow security best practices, use .dockerignore, and implement proper logging.
Ecosystem
Docker ecosystem includes Docker Compose, Docker Swarm, Kubernetes integration, container registries, and various orchestration tools.
Related technologies
Explore the surrounding ecosystem.
Compare adjacent frameworks, platforms and tools that commonly support similar product goals.