Docker vs Kubernetes
Compare Docker and Kubernetes. When to use each, key differences, and how they complement or replace each other in a DevOps stack.
| Criteria | Docker | Kubernetes |
|---|---|---|
| Primary Use Case | Platform for building, shipping, and running applications in containers. Docker pioneered the container revolution and remains the most popular container toolchain for development workflows. | Open-source container orchestration platform for automating deployment, scaling, and management of containerized applications. The de facto standard for running production workloads at scale. |
| Category | Containers | Container Orchestration |
| Learning Curve | Docker has extensive documentation and a large community providing tutorials, courses, and certifications. | Kubernetes has growing documentation and community resources. Learning path depends on prior experience with similar tools. |
| Community & Ecosystem | Docker has an established ecosystem with plugins, extensions, and integrations across the DevOps toolchain. | Kubernetes offers a mature ecosystem with strong community contributions and third-party integrations. |
| Enterprise Support | Docker offers enterprise editions and commercial support options alongside its open-source version. | Kubernetes provides enterprise features and support tiers for production deployments at scale. |
| Best For | Teams that need containers capabilities with a focus on Docker's core strengths. | Teams that need container orchestration capabilities with a focus on Kubernetes's core strengths. |
Verdict
Docker and Kubernetes serve different but related purposes. Many teams use both together. Choose based on your primary need: containers (Docker) or container orchestration (Kubernetes).
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