Why we use Docker
Docker containers ensure your application runs identically across development, staging, and production. We containerize every service for reproducible builds, fast deployments, and infrastructure portability.
Key benefits
- Eliminates "works on my machine" problems entirely
- Reproducible builds — same image across all environments
- Fast horizontal scaling — spin up instances in seconds
- Infrastructure portability — move between cloud providers easily
- Resource efficiency — 5-10x density improvement over VMs
- Security isolation between services
Docker — Frequently Asked Questions
Do I need Docker for my application?
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If you have more than one service, multiple environments, or any CI/CD pipeline — yes. Docker eliminates deployment inconsistencies and makes scaling trivial.
Docker vs serverless — which is better?
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Serverless for event-driven, low-traffic workloads. Docker containers (on Kubernetes or ECS) for steady-state traffic, long-running processes, or when you need more control.
How do you handle Docker security?
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Minimal base images (distroless/Alpine), non-root users, image scanning in CI, signed images, and runtime security policies. No secrets baked into images.
Ready to build with Docker?
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