---
title: Reference documentation
description: This section includes the reference documentation for the Docker platform’s various APIs, CLIs, and file formats.
notoc: true
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  - /engine/reference/commandline/app_version/

---

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

## File formats

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                 <a href="/engine/reference/builder/"><img src="/assets/images/build-frontends.svg" alt="Download and install" width="70" height="70"></a>
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                 <h2 id="dockerfile"><a href="/engine/reference/builder/">Dockerfile</a></h2>
                <p> Defines the contents and startup behavior of a single container.</p>
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                <a href="/compose/compose-file/"><img src="/assets/images/build-multi-platform.svg" alt="Release notes" width="70" height="70"></a>
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                <h2 id="compose-file"><a href="/compose/compose-file/">Compose file</a></h2>
                <p>Defines a multi-container application.</p>
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## Command-line interfaces (CLIs)

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                 <a href="/engine/reference/commandline/cli/"><img src="/assets/images/terminal.svg" alt="Docker CLI" width="70" height="70"></a>
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                <h2 id="docker-for-linux"><a href="/engine/reference/commandline/cli/">Docker CLI</a></h2>
                <p>The main CLI for Docker, includes all <code>docker</code> commands.</p>
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                 <a href="/compose/reference/"><img src="/assets/images/compose-cli.svg" alt="Compose CLI" width="70" height="70"></a>
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                <h2 id="docker-for-windows/install/"><a href="/compose/reference/">Compose CLI</a></h2>
                <p>The CLI for Docker Compose, which allows you to build and run multi-container applications.</p>
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                <a href="/engine/reference/commandline/dockerd/"><img src="/assets/images/manage.svg" alt="Give feedback" width="70" height="70"></a>
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                <h2 id="docker-for-windows/install/"><a href="/engine/reference/commandline/dockerd/">Daemon CLI (dockerd)</a></h2>
                <p>Persistent process that manages containers.</p>
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## Application programming interfaces (APIs)

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                 <a href="/engine/api/"><img src="/assets/images/engine-api.svg" alt="Engine API" width="70" height="70"></a>
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                 <h2 id="dockerfile"><a href="/engine/api/">Engine API</a></h2>
                <p> The main API for Docker, provides programmatic access to a daemon.</p>
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                <a href="/registry/spec/api/"><img src="/assets/images/storage.svg" alt="Registry API" width="70" height="70"></a>
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                <h2 id="compose-file"><a href="/registry/spec/api/">Registry API</a></h2>
                <p>Facilitates distribution of images to the engine.</p>
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                 <a href="/docker-hub/api/latest/"><img src="/assets/images/sync.svg" alt="Docker Hub API" width="70" height="70"></a>
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                 <h2 id="dockerfile"><a href="/docker-hub/api/latest/">Docker Hub API</a></h2>
                <p> API to interact with Docker Hub.</p>
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                <a href="/docker-hub/api/dvp/"><img src="/assets/images/data.svg" alt="DVP Data API" width="70" height="70"></a>
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                <h2 id="compose-file"><a href="/docker-hub/api/dvp/">DVP Data API</a></h2>
                <p> API for Docker Verified Publishers to fetch analytics data. </p>
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        </div>
    </div>
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## Drivers and specifications

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                 <a href="/registry/spec/manifest-v2-2/"><img src="/assets/images/image.svg" alt="Image specification" width="70" height="70"></a>
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                <h2 id="docker-for-linux"><a href="/registry/spec/manifest-v2-2/">Image specification</a></h2>
                <p>Describes the various components of a Docker image.</p>
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                 <a href="/registry/spec/auth/"><img src="/assets/images/authentication.svg" alt="Registry token authentication" width="70" height="70"></a>
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                <h2 id="docker-for-windows/install/"><a href="/registry/spec/auth/">Registry token authentication</a></h2>
                <p>Outlines the Docker Registry authentication schemes.</p>
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                <a href="/registry/storage-drivers/"><img src="/assets/images/engine-storage.svg" alt="Registry storage drivers" width="70" height="70"></a>
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                <h2 id="docker-for-windows/install/"><a href="/registry/storage-drivers/">Registry storage drivers</a></h2>
                <p>Enables support for given cloud providers when storing images with Registry.</p>
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