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Reference documentation

This section includes the reference documentation for the Docker platform's various APIs, CLIs, drivers and specifications, and file formats.

File formats

Dockerfile

Defines the contents and startup behavior of a single container.

Compose file

Defines a multi-container application.

Command-line interfaces (CLIs)

Docker CLI

The main Docker CLI, includes all docker commands.

Compose CLI

The CLI for Docker Compose, for building and running multi-container applications.

Daemon CLI (dockerd)

Persistent process that manages containers.

Application programming interfaces (APIs)

Engine API

The main API for Docker, provides programmatic access to a daemon.

Docker Hub API

API to interact with Docker Hub.

DVP Data API

API for Docker Verified Publishers to fetch analytics data.

Registry API

API for Docker Registry.