bulktrade / confluence

Dockerized Atlassian Confluence

Dockerized Atlassian Confluence

"One place for all your team's work - Spend less time hunting things down and more time making things happen. Organize your work, create documents, and discuss everything in one place." - [Source]

Supported tags and respective Dockerfile links

Product	Version	Tags	Dockerfile
Confluence	5.9.6	5.9.6, latest	Dockerfile

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Make It Short

$ docker run -d -p 80:8090 --name confluence blacklabelops/confluence

Setup

1. Start the database container
2. Start Confluence
3. Setup Confluence

First start the database server:

Note: Change Password!

$ docker run --name postgres -d \
    -e 'POSTGRES_USER=jira' \
    -e 'POSTGRES_PASSWORD=jellyfish' \
    -e 'POSTGRES_ENCODING=UTF8' \
    -e 'POSTGRES_COLLATE=C' \
    -e 'POSTGRES_COLLATE_TYPE=C' \
    blacklabelops/postgres

This is the blacklabelops postgres image.

Secondly start Confluence with a link to postgres:

$ docker run -d --name confluence \
	  --link postgres:postgres \
	  -p 80:8090 blacklabelops/confluence

Start the Confluence and link it to the postgresql instance.

Thirdly, configure your Confluence yourself and fill it with a test license.

1. Choose Production Installation because we have a postgres!
2. Enter license information
3. In Choose a Database Configuration choose PostgeSQL and press External Database
4. In Configure Database press Direct JDBC
5. In Configure Database fill out the form:

• Driver Class Name: org.postgresql.Driver
• Database URL: jdbc:postgresql://postgres:5432/confluencedb
• User Name: confluencedb
• Password: jellyfish

Note: Change Password!

Demo Database Setup

Note: It's not recommended to use a default initialized database for Confluence in production! The default databases are all using a not recommended database configuration! Please use this for demo purposes only!

This is a demo "by foot" using the docker cli. In this example we setup an empty PostgreSQL container. Then we connect and configure the Confluence accordingly. Afterwards the Confluence container can always resume on the database.

Steps:

• Start Database container
• Start Confluence

PostgreSQL

Let's take an PostgreSQL Docker Image and set it up:

Postgres Official Docker Image:

$ docker run --name postgres -d \
    -e 'POSTGRES_DB=confluencedb' \
    -e 'POSTGRES_USER=confluencedb' \
    -e 'POSTGRES_PASSWORD=jellyfish' \
    postgres:9.4

This is the official postgres image.

Postgres Community Docker Image:

$ docker run --name postgres -d \
    -e 'DB_USER=confluencedb' \
    -e 'DB_PASS=jellyfish' \
    -e 'DB_NAME=confluencedb' \
    sameersbn/postgresql:9.4-12

This is the sameersbn/postgresql docker container I tested.

Now start the Confluence container and let it use the container. On first startup you have to configure your Confluence yourself and fill it with a test license.

1. Choose Production Installation because we have a postgres!
2. Enter license information
3. In Choose a Database Configuration choose PostgeSQL and press External Database
4. In Configure Database press Direct JDBC
5. In Configure Database fill out the form:

• Driver Class Name: org.postgresql.Driver
• Database URL: jdbc:postgresql://postgres:5432/confluencedb
• User Name: confluencedb
• Password: jellyfish

$ docker run -d --name confluence \
	  --link postgres:postgres \
	  -p 80:8090 blacklabelops/confluence

Start the Confluence and link it to the postgresql instance.

MySQL

Let's take an MySQL container and set it up:

MySQL Official Docker Image:

$ docker run -d --name mysql \
    -e 'MYSQL_ROOT_PASSWORD=verybigsecretrootpassword' \
    -e 'MYSQL_DATABASE=confluencedb' \
    -e 'MYSQL_USER=confluencedb' \
    -e 'MYSQL_PASSWORD=jellyfish' \
    mysql:5.6

This is the mysql docker container I tested.

MySQL Community Docker Image:

$ docker run -d --name mysql \
    -e 'ON_CREATE_DB=confluencedb' \
    -e 'MYSQL_USER=confluencedb' \
    -e 'MYSQL_PASS=jellyfish' \
    tutum/mysql:5.6

This is the tutum/mysql docker container I tested.

Now start the Confluence container and let it use the container. On first startup you have to configure your Confluence yourself and fill it with a test license.

1. Choose Production Installation because we have a mysql!
2. Enter license information
3. In Choose a Database Configuration choose MySQL and press External Database
4. In Configure Database press Direct JDBC
5. In Configure Database fill out the form:

• Driver Class Name: com.mysql.jdbc.Driver
• Database URL: jdbc:mysql://mysql/confluencedb?sessionVariables=storage_engine%3DInnoDB&useUnicode=true&characterEncoding=utf8
• User Name: confluencedb
• Password: jellyfish

$ docker run -d --name confluence \
	  --link mysql:mysql \
	  -p 80:8090 blacklabelops/confluence

Start the Confluence and link it to the postgresql instance.

Start the Confluence and link it to the mysql instance.

Confluence will be available at http://yourdockerhost

Proxy Configuration

You can specify your proxy host and proxy port with the environment variables CONFLUENCE_PROXY_NAME and CONFLUENCE_PROXY_PORT. The value will be set inside the Atlassian server.xml at startup!

When you use https then you also have to include the environment variable CONFLUENCE_PROXY_SCHEME.

Example HTTPS:

• Proxy Name: myhost.example.com
• Proxy Port: 443
• Poxy Protocol Scheme: https

Just type:

$ docker run -d --name confluence \
    -e "CONFLUENCE_PROXY_NAME=myhost.example.com" \
    -e "CONFLUENCE_PROXY_PORT=443" \
    -e "CONFLUENCE_PROXY_SCHEME=https" \
    blacklabelops/confluence

Will set the values inside the server.xml in /opt/confluence/conf/server.xml

NGINX HTTP Proxy

This is an example on running Atlassian Confluence behind NGINX with 2 Docker commands!

First start Confluence:

$ docker run -d --name confluence \
    -e "CONFLUENCE_PROXY_NAME=www.example.com" \
    -e "CONFLUENCE_PROXY_PORT=80" \
    -e "CONFLUENCE_PROXY_SCHEME=http" \
    blacklabelops/confluence

Then start NGINX:

$ docker run -d \
    -p 80:8080 \
    --name nginx \
    --link confluence:confluence
    -e "SERVER1REVERSE_PROXY_LOCATION1=/" \
    -e "SERVER1REVERSE_PROXY_PASS1=http://confluence:8090" \
    blacklabelops/nginx

Confluence will be available at http://boot2docker-ip or http://localhost. Depends if you running Docker locally or if you use Dockertools.

NGINX HTTPS Proxy

This is an example on running Atlassian Confluence behind NGINX with 2 Docker commands!

Note: This is a self-signed certificate! Trusted certificates by letsencrypt are supported. Documentation can be found here: blacklabelops/nginx

First start Confluence:

$ docker run -d --name confluence \
    -e "CONFLUENCE_PROXY_NAME=crusty.springfield.com" \
    -e "CONFLUENCE_PROXY_PORT=443" \
    -e "CONFLUENCE_PROXY_SCHEME=https" \
    blacklabelops/confluence

Then start NGINX:

$ docker run -d \
    -p 443:44300 \
    --name nginx \
    --link confluence:confluence
    -e "SERVER1REVERSE_PROXY_LOCATION1=/" \
    -e "SERVER1REVERSE_PROXY_PASS1=http://confluence:8090" \
    -e "SERVER1CERTIFICATE_DNAME=/CN=CrustyClown/OU=SpringfieldEntertainment/O=crusty.springfield.com/L=Springfield/C=US" \
    -e "SERVER1HTTPS_ENABLED=true" \
    -e "SERVER1HTTP_ENABLED=false" \
    blacklabelops/nginx

Confluence will be available at https://boot2docker-ip or https://localhost. Depends if you running Docker locally or if you use Dockertools.

Build The Image

The build process can take the following argument:

• CONFLUENCE_VERSION: The specific Confluence version number.

Examples:

Build image with the default Confluence release:

$ docker build -t blacklabelops/confluence .

Note: Dockerfile must be inside the current directory!

Build image with a specific Confluence release:

$ docker build --build-arg CONFLUENCE_VERSION=5.9.5  -t blacklabelops/confluence .

Note: Dockerfile must be inside the current directory!

Using Docker Compose

The build configuration are specified inside the following area:

jenkins:
  build:
    context: .
    dockerfile: Dockerfile
    args:
      CONFLUENCE_VERSION: 5.9.5

Adjust CONFLUENCE_VERSION for your personal needs.

Build the latest release with docker-compose:

$ docker-compose build

Container Permissions

Simply: You can set user-id and group-id matching to a user and group from your host machine!

Due to security considerations this image is not running in root mode! The Jenkins process user inside the container is confluence and the user's group is confluence. This project offers a simplified mechanism for user- and group-mapping. You can set the uid of the user and gid of the user's group during build time.

The process permissions are relevant when using volumes and mounted folders from the host machine. Confluence need read and write permissions on the host machine. You can set UID and GID of the Confluence's process during build time! UID and GID should resemble credentials from your host machine.

The following build arguments can be used:

• CONTAINER_UID: Set the user-id of the process. (default: 1000)
• CONTAINER_GID: Set the group-id of the process. (default: 1000)

Example:

$ docker build --build-arg CONTAINER_UID=2000 --build-arg CONTAINER_GID=2000 -t blacklabelops/confluence .

The container will write and read files with UID 2000 and GID 2000.

Vagrant

First install:

• Vagrant
• Virtualbox

Vagrant is fabulous tool for pulling and spinning up virtual machines like docker with containers. I can configure my development and test environment and simply pull it online. And so can you! Install Vagrant and Virtualbox and spin it up. Change into the project folder and build the project on the spot!

$ vagrant up
$ vagrant ssh
[vagrant@localhost ~]$ cd /vagrant
[vagrant@localhost ~]$ docker-compose up

Confluence will be available on localhost:8080 on the host machine.

Support & Feature Requests

Leave a message and ask questions on Hipchat: blacklabelops/hipchat

Credits

This project is very grateful for code and examples from the repositories:

• atlassianlabs/atlassian-docker
• cptactionhank/docker-atlassian-confluence

References

• Atlassian Confluence
• Docker Homepage
• Docker Compose
• Docker Userguide
• Oracle Java