Docker

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The most widely used container platform. Docker packages applications into images (immutable templates built from Dockerfiles in layers) and runs them as containers (isolated processes). Multi-stage builds reduce image size by separating build and runtime dependencies.

Key Properties

• Docker Images and Layers
• Dockerfile
• Multi-Stage Builds

Related

• Container Registries (store and distribute images)
• Namespaces (Docker uses Linux namespaces for isolation)
• cgroups (Docker uses cgroups for resource limits)

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cloud containers docker