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

File formats

File format	Description
Dockerfile	Defines the contents and startup behavior of a single container
Compose file	Defines a multi-container application

Command-line interfaces (CLIs)

CLI	Description
Docker CLI	The main CLI for Docker, includes all `docker` commands
Compose CLI	The CLI for Docker Compose, which allows you to build and run multi-container applications
Daemon CLI (dockerd)	Persistent process that manages containers
[DTR CLI](/reference/dtr/{{ site.dtr_version }}/cli/index.md)	Deploy and manage Docker Trusted Registry
[UCP CLI](/reference/ucp/{{ site.ucp_version }}/cli/index.md)	Deploy and manage Universal Control Plane

API	Description
Engine API	The main API for Docker, provides programmatic access to a daemon
[DTR API](/reference/dtr/{{ site.dtr_version }}/api/)	Provides programmatic access to a Docker Trusted Registry deployment
Registry API	Facilitates distribution of images to the engine
Template API	Allows users to create new Docker applications by using a library of templates.
[UCP API](/reference/ucp/{{ site.ucp_version }}/api/)	Provides programmatic access to a Universal Control Plane deployment

Driver	Description
Image specification	Describes the various components of a Docker image
Registry token authentication	Outlines the Docker registry authentication scheme
Registry storage drivers	Enables support for given cloud providers when storing images with Registry

Reference	Description
NIST 800-53 control reference	All of the NIST 800-53 Rev. 4 controls applicable to Docker Enterprise Edition can be referenced in this section.