dokku/docs/plugins.md

Plugins

Dokku itself is built out of plugins and uses pluginhook for its plugin system. In essence a plugin is a collection of scripts that will be run based on naming convention.

Let's take a quick look at the current dokku nginx plugin that's shipped with dokku by default.

nginx-vhosts/
├── commands     # contains additional commands
├── install      # runs on dokku installation
└── post-deploy  # runs after an app is deployed

Installing a plugin

cd /var/lib/dokku/plugins
git clone <git url>
dokku plugins-install

todo: add a command to dokku to install a plugin, given a git repository dokku plugin:install <git url>?

Creating your own plugin

See the full documentation.

Community plugins

Note: The following plugins have been supplied by our community and may not have been tested by dokku maintainers.

Datastores

Relational

Plugin	Author	Compatibility
MariaDB	Kloadut	Compatible with 0.2.0
MariaDB (single container)	ohardy	Compatible with 0.2.0
MySQL	hughfletcher
PostgreSQL	Kloadut	Compatible with 0.2.0
PostgreSQL	jezdez	Compatible with 0.2.0
PostgreSQL	jlachowski	IP & PORT available directly in linked app container env variables (requires link plugin)
PostgreSQL (single container)	jeffutter	This plugin creates a single postgresql container that all your apps can use. Thus only one instance of postgresql running (good for servers without a ton of memory).
PostgreSQL (single container)	ohardy	Compatible with 0.2.0
PostgreSQL (single container)	Flink	Single Postgresql container with official Postgresql docker image. Compatible with 0.3.16
PostGIS	fermuch

Caching

Plugin	Author	Compatibility
Memcached	jezdez	Compatible with 0.2.0
Memcached	jlachowski	IP & PORT available directly in linked app container env variables (requires link plugin)
Redis	jezdez	Requires https://github.com/rlaneve/dokku-link; compatible with 0.2.0
Redis	luxifer
Redis	sekjun9878	A better Redis plugin with automatic instance creation and Dokku Link support
Redis (single container)	ohardy	Compatible with 0.2.0
Varnish	Zenedith	Varnish cache between nginx and application with base configuration

Queuing

Plugin	Author	Compatibility
RabbitMQ	jlachowski	IP & PORT available directly in linked app container env variables (requires link plugin)
RabbitMQ (single container)	jlachowski	IP & PORT available directly in linked app container env variables (requires link plugin)

Other

Plugin	Author	Compatibility
CouchDB	RaceHub	Compatible with 0.2.0
Elasticsearch	robv	Not compatible with >= 0.3.0 (still uses /home/git)
Elasticsearch	jezdez	Compatible with 0.2.0 to 0.3.13
Elasticsearch1	blag	Compatible with 0.2.0
MongoDB (single container)	jeffutter
RethinkDB	stuartpb	2014-02-22: targeting dokku @ latest; will fail with Dokku earlier than 28de3ec.
RiakCS (single container)	jeffutter	Incompatible with 0.2.0 (checked at dccee02)
Neo4j	Aomitayo

Process Managers

Plugin	Author	Compatibility
Circus	apmorton
Shoreman	statianzo	Compatible with 0.2.0
Supervisord	statianzo	Compatible with 0.2.0
Logging Supervisord	sehrope	Works with dokku @ c77cbf1 - no 0.2.0 compatibility
Forego	iskandar	Compatible with 0.2.x
Monit	cjblomqvist

Dokku Features

Plugin	Author	Compatibility
app-url	mikecsh	Works with 0.2.0
Docker Direct	heichblatt
Dokku Name	alex-sherwin	dokku >= c77cbf1
Dokku Registry1	agco-adm
git rev-parse HEAD in env	cjblomqvist	Compatible with 0.3.0
Graduate (Environment Management)	Benjamin-Dobell	dokku >= v0.3.14
HTTP Auth Secure Apps	matto1990	Works with v0.2.3
Host Port binding	stuartpb	dokku >= c77cbf1. 2014-02-17: a043e98 targeting dokku @ latest
Hostname	michaelshobbs
Link Containers	rlaneve	dokku >= c77cbf1
Multi-Buildpack	pauldub
Nginx-Alt	mikexstudios	Works with v0.2.3
Persistent Storage	dyson	Requires dokku >= c77cbf1
Ports	heichblatt
Pre-Deploy Tasks	michaelshobbs
SSH Deployment Keys2	cedricziel	2014-01-17: compatible with upstream/master
SSH Hostkeys3	cedricziel	2014-01-17: compatible with upstream/master
VHOSTS Custom Configuration	motin	Compatible with 0.3.1
Volume (persistent storage)	ohardy	Compatible with 0.2.0
Maintenance mode	Flink
HTTP Auth	Flink

¹ On Heroku similar functionality is offered by the heroku-labs pipeline feature, which allows you to promote builds across multiple environments (staging -> production)

² Adds the possibility to add SSH deployment keys to receive private hosted packages

³ Adds the ability to add custom hosts to the containers known_hosts file to be able to ssh them easily (useful with deployment keys)

Other Plugins

Plugin	Author	Compatibility
Wordpress	[abossard][]	Dokku dev, mariadb, volume, domains
Node	pnegahdar
Node	ademuk
Chef cookbooks	fgrehm
Bower install	alexanderbeletsky
Bower/Grunt	thrashr888
Bower/Gulp	gdi2290
Bower/Gulp	jagandecapri
HipChat Notifications	cef
Slack Notifications	ribot
Graphite/statsd	jlachowski
APT	F4-Group
User ACL	[Maciej Łebkowski][]
PrimeCache	darkpixel
Webhooks	nickstenning
Rails logs	Flink
Airbrake deploy	Flink
Logspout	michaelshobbs

¹ Forked from jezdez/dokku-elasticsearch-plugin: uses Elasticsearch 1.2 (instead of 0.90), doesn't depend on dokku-link, runs as elasticsearch user instead of root, and turns off multicast autodiscovery for use in a VPS environment.

Deprecated Plugins

The following plugins have been removed as their functionality is now in Dokku Core.

Plugin	Author	In Dokku Since
Custom Domains	motin	v0.3.10 (domains plugin)
Debug	heichblatt	v0.3.9 (trace command)
Docker Options	dyson	v0.3.17 (docker-options plugin)
Multiple Domains1	wmluke	v0.3.10 (domains plugin)
Rebuild application	scottatron	v0.3.14 (ps plugin)
Supply env vars to buildpacks2	cameron-martin	v0.3.9 (build-env plugin)
user-env-compile2	musicglue	v0.3.9 (build-env plugin)
user-env-compile2	motin	v0.3.9 (build-env plugin)
Events Logger	alessio	v0.3.21 (events plugin)

¹ Conflicts with VHOSTS Custom Configuration ² Similar to the heroku-labs feature (see https://devcenter.heroku.com/articles/labs-user-env-compile)