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Confluence Server is where you create, organise and discuss work with your team. Capture the knowledge that's too often lost in email inboxes and shared network drives in Confluence - where it's easy to find, use, and update. Give every team, project, or department its own space to create the things they need, whether it's meeting notes, product requirements, file lists, or project plans, you can get more done in Confluence.

Learn more about Confluence Server: https://www.atlassian.com/software/confluence

You can find the repository for this Dockerfile at https://hub.docker.com/r/atlassian/confluence-server

Contents

[TOC]

Overview

This Docker container makes it easy to get an instance of Confluence up and running.

NOTE: This Docker image is published as both atlassian/confluence and atlassian/confluence-server. These are the same image, but the -server version is deprecated and only kept for backwards-compatibility; for new installations it is recommended to use the shorter name.

** Use docker version >= 20.10.10 **

Quick Start

For the directory in the environmental variable CONFLUENCE_HOME that is used to store Confluence data (amongst other things) we recommend mounting a host directory as a [data volume][1]:

Additionally, if running Confluence in Data Center mode it is required that a shared filesystem is mounted. The mountpoint (inside the container) can be configured with CONFLUENCE_SHARED_HOME.

Start Atlassian Confluence Server:

docker run -v /data/your-confluence-home:/var/atlassian/application-data/confluence --name="confluence" -d -p 8090:8090 -p 8091:8091 atlassian/confluence

Success. Confluence is now available on http://localhost:8090*

Please ensure your container has the necessary resources allocated to it. We recommend 2GiB of memory allocated to accommodate the application server. See [Supported Platforms][3] for further information.

* Note: If you are using docker-machine on Mac OS X, please use open http://$(docker-machine ip default):8090 instead.

Configuring Confluence

This Docker image is intended to be configured from its environment; the provided information is used to generate the application configuration files from templates. This allows containers to be repeatably created and destroyed on-the-fly, as required in advanced cluster configurations. Most aspects of the deployment can be configured in this manner; the necessary environment variables are documented below. However, if your particular deployment scenario is not covered by these settings, it is possible to override the provided templates with your own; see the section Advanced Configuration below.

Memory / Heap Size

If you need to override Confluence Server's default memory allocation, you can control the minimum heap (Xms) and maximum heap (Xmx) via the below environment variables.

• JVM_MINIMUM_MEMORY (default: 1024m)

  The minimum heap size of the JVM

• JVM_MAXIMUM_MEMORY (default: 1024m)

  The maximum heap size of the JVM

• JVM_RESERVED_CODE_CACHE_SIZE (default: 256m)

  The reserved code cache size of the JVM

Tomcat and Reverse Proxy Settings

If Confluence is run behind a reverse proxy server (e.g. a load-balancer or nginx server), then you need to specify extra options to make Confluence aware of the setup. They can be controlled via the below environment variables.

• ATL_PROXY_NAME (default: NONE)

  The reverse proxy's fully qualified hostname. CATALINA_CONNECTOR_PROXYNAME is also supported for backwards compatability.

• ATL_PROXY_PORT (default: NONE)

  The reverse proxy's port number via which Confluence is accessed. CATALINA_CONNECTOR_PROXYPORT is also supported for backwards compatability.

• ATL_TOMCAT_PORT (default: 8090)

  The port for Tomcat/Confluence to listen on. Depending on your container deployment method this port may need to be [exposed and published][docker-expose].

• ATL_TOMCAT_SCHEME (default: http)

  The protocol via which Confluence is accessed. CATALINA_CONNECTOR_SCHEME is also supported for backwards compatability.

• ATL_TOMCAT_SECURE (default: false)

  Set 'true' if ATL_TOMCAT_SCHEME is 'https'. CATALINA_CONNECTOR_SECURE is also supported for backwards compatability.

• ATL_TOMCAT_CONTEXTPATH (default: NONE)

  The context path the application is served over. CATALINA_CONTEXT_PATH is also supported for backwards compatability.

• ATL_TOMCAT_ACCESS_LOG (default: false [version < 7.11.0] and true [version >=7.11.0])

  Whether to enable Tomcat access logging; set to true to enable. NOTE: These logs are written to the Container internal volume by default (under /opt/atlassian/confluence/logs/); these are rotated but not removed, and will grow indefinitely. If you enable this functionality it is recommended that you map the directory to a volume and perform log ingestion/cleanup with external tools.

The following Tomcat/Catalina options are also supported. For more information, see https://tomcat.apache.org/tomcat-7.0-doc/config/index.html

• ATL_TOMCAT_MGMT_PORT (default: 8000)
• ATL_TOMCAT_MAXTHREADS (default: 48)
• ATL_TOMCAT_MINSPARETHREADS (default: 10)
• ATL_TOMCAT_CONNECTIONTIMEOUT (default: 20000)
• ATL_TOMCAT_ENABLELOOKUPS (default: false)
• ATL_TOMCAT_PROTOCOL (default: org.apache.coyote.http11.Http11NioProtocol)
• ATL_TOMCAT_REDIRECTPORT (default: 8443)
• ATL_TOMCAT_ACCEPTCOUNT (default: 10)
• ATL_TOMCAT_DEBUG (default: 0)
• ATL_TOMCAT_URIENCODING (default: UTF-8)
• ATL_TOMCAT_MAXHTTPHEADERSIZE (default: 8192)

Access Log Settings

You can set the maximum number of days for access logs to be retained before being deleted. The default value of -1 means never delete old files.…