What is Joomla?

Joomla is a PHP content management system (CMS) for publishing web content. It includes features such as page caching, RSS feeds, printable versions of pages, news flashes, blogs, search, and support for non-english languages.

https://www.joomla.org/

TL;DR;

Docker Compose

$ curl -sSL https://raw.githubusercontent.com/bitnami/bitnami-docker-joomla/master/docker-compose.yml > docker-compose.yml
$ docker-compose up -d

Kubernetes

WARNING: This is a beta configuration, currently unsupported.

Get the raw URL pointing to the kubernetes.yml manifest and use kubectl to create the resources on your Kubernetes cluster like so:

$ kubectl create -f https://raw.githubusercontent.com/bitnami/bitnami-docker-joomla/master/kubernetes.yml

Why use Bitnami Images?

Bitnami closely tracks upstream source changes and promptly publishes new versions of this image using our automated systems.
With Bitnami images the latest bug fixes and features are available as soon as possible.
Bitnami containers, virtual machines and cloud images use the same components and configuration approach - making it easy to switch between formats based on your project needs.
Bitnami images are built on CircleCI and automatically pushed to the Docker Hub.
All our images are based on minideb a minimalist Debian based container image which gives you a small base container image and the familiarity of a leading linux distribution.

Prerequisites

To run this application you need Docker Engine 1.10.0. Docker Compose is recomended with a version 1.6.0 or later.

How to use this image

Run Joomla with a Database Container

Running Joomla with a database server is the recommended way. You can either use docker-compose or run the containers manually.

Run the application using Docker Compose

This is the recommended way to run Joomla. You can use the following docker-compose.yml template:

version: '2'

services:
  mariadb:
    image: 'bitnami/mariadb:latest'
    environment:
      - ALLOW_EMPTY_PASSWORD=yes
    volumes:
      - 'mariadb_data:/bitnami'
  joomla:
    image: 'bitnami/joomla:latest'
    ports:
      - '80:80'
      - '443:443'
    volumes:
      - 'joomla_data:/bitnami'
    depends_on:
      - mariadb

volumes:
  mariadb_data:
    driver: local
  joomla_data:
    driver: local

Run the application manually

If you want to run the application manually instead of using docker-compose, these are the basic steps you need to run:

Create a new network for the application and the database:

$ docker network create joomla-tier

Start a MariaDB database in the network generated:

$ docker run -d --name mariadb -e ALLOW_EMPTY_PASSWORD=yes --net joomla-tier bitnami/mariadb

Note: You need to give the container a name in order to Joomla to resolve the host

Run the Joomla container:

$ docker run -d -p 80:80 -p 443:443 --name joomla --net joomla-tier bitnami/joomla

Then you can access your application at http://your-ip/

Persisting your application

If you remove the container all your data and configurations will be lost, and the next time you run the image the database will be reinitialized. To avoid this loss of data, you should mount a volume that will persist even after the container is removed.

For persistence you should mount a volume at the /bitnami path. Additionally you should mount a volume for persistence of the MariaDB data.

The above examples define docker volumes namely mariadb_data and joomla_data. The Joomla application state will persist as long as these volumes are not removed.

To avoid inadvertent removal of these volumes you can mount host directories as data volumes. Alternatively you can make use of volume plugins to host the volume data.

Mount host directories as data volumes with Docker Compose

This requires a minor change to the docker-compose.yml template previously shown:

version: '2'

services:
  mariadb:
    image: 'bitnami/mariadb:latest'
    environment:
      - ALLOW_EMPTY_PASSWORD=yes
    volumes:
      - '/path/to/mariadb_persistence:/bitnami'
  joomla:
    image: 'bitnami/joomla:latest'
    depends_on:
      - mariadb
    ports:
      - '80:80'
      - '443:443'
    volumes:
      - '/path/to/joomla-persistence:/bitnami'

Mount host directories as data volumes using the Docker command line

In this case you need to specify the directories to mount on the run command. The process is the same than the one previously shown:

Create a network (if it does not exist):

$ docker network create joomla-tier

Create a MariaDB container with host volume:

$ docker run -d --name mariadb -e ALLOW_EMPTY_PASSWORD=yes \
  --net joomla-tier \
  --volume /path/to/mariadb-persistence:/bitnami \
  bitnami/mariadb:latest

Note: You need to give the container a name in order to Joomla to resolve the host

Create the Joomla container with host volumes:

$ docker run -d --name joomla -p 80:80 -p 443:443 \
  --net joomla-tier \
  --volume /path/to/joomla-persistence:/bitnami \
  bitnami/joomla:latest

Upgrade this application

Bitnami provides up-to-date versions of MariaDB and Joomla, including security patches, soon after they are made upstream. We recommend that you follow these steps to upgrade your container. We will cover here the upgrade of the Joomla container. For the MariaDB upgrade see https://github.com/bitnami/bitnami-docker-mariadb/blob/master/README.md#upgrade-this-image

Get the updated images:

$ docker pull bitnami/joomla:latest

Stop your container

For docker-compose: $ docker-compose stop joomla
For manual execution: $ docker stop joomla

Take a snapshot of the application state

$ rsync -a /path/to/joomla-persistence /path/to/joomla-persistence.bkp.$(date +%Y%m%d-%H.%M.%S)

Additionally, snapshot the MariaDB data

You can use these snapshots to restore the application state should the upgrade fail.

Remove the currently running container

For docker-compose: $ docker-compose rm -v joomla
For manual execution: $ docker rm -v joomla

Run the new image

For docker-compose: $ docker-compose start joomla
For manual execution (mount the directories if needed): docker run --name joomla bitnami/joomla:latest

You need to complete the upgrade from the browser to get latest Joomla version.

Configuration

Environment variables

When you start the joomla image, you can adjust the configuration of the instance by passing one or more environment variables either on the docker-compose file or on the docker run command line. If you want to add a new environment variable:

For docker-compose add the variable name and value under the application section:

joomla:
  image: bitnami/joomla:latest
  ports:
    - 80:80
    - 443:443B
  environment:
    - JOOMLA_PASSWORD=my_password

For manual execution add a -e option with each variable and value:

$ docker run -d --name joomla -p 80:80 -p 443:443 \
  -e JOOMLA_PASSWORD=my_password
  --net joomla-tier \
  --volume /path/to/joomla-persistence:/bitnami \
  bitnami/joomla:latest

Available variables:

JOOMLA_USERNAME: Joomla application username. Default: user
JOOMLA_PASSWORD: Joomla application password. Default: bitnami
JOOMLA_EMAIL: Joomla application email. Default: [email protected]
MARIADB_USER: Root user for the MariaDB database. Default: root
MARIADB_PASSWORD: Root password for the MariaDB.
MARIADB_HOST: Hostname for MariaDB server. Default: mariadb
MARIADB_PORT_NUMBER: Port used by MariaDB server. Default: 3306

SMTP Configuration

To configure Joomla to send email using SMTP you can set the following environment variables:

SMTP_HOST: SMTP host.
SMTP_PORT: SMTP port.
SMTP_USER: SMTP account user.
SMTP_PASSWORD: SMTP account password.
SMTP_PROTOCOL: SMTP protocol.

This would be an example of SMTP configuration using a GMail account:

docker-compose:

  joomla:
    image: bitnami/joomla:latest
    ports:
      - 80:80
      - 443:443
    environment:
      - SMTP_HOST=smtp.gmail.com
      - SMTP_PORT=587
      - [email protected]
      - SMTP_PASSWORD=your_password

For manual execution:

$ docker run -d --name joomla -p 80:80 -p 443:443 \
  -e SMTP_HOST=smtp.gmail.com \
  -e SMTP_PORT=587 \
  -e [email protected] \
  -e SMTP_PASSWORD=your_password
  --net joomla-tier \
  --volume /path/to/joomla-persistence:/bitnami \
  bitnami/joomla:latest

Contributing

We'd love for you to contribute to this container. You can request new features by creating an issue, or submit a pull request with your contribution.

Issues

If you encountered a problem running this container, you can file an issue. For us to provide better support, be sure to include the following information in your issue:

Host OS and version
Docker version ($ docker version)
Output of $ docker info
Version of this container ($ echo $BITNAMI_IMAGE_VERSION inside the container)
The command you used to run the container, and any relevant output you saw (masking any sensitive information)

Community

Most real time communication happens in the #containers channel at bitnami-oss.slack.com; you can sign up at slack.oss.bitnami.com.

Discussions are archived at bitnami-oss.slackarchive.io.

License

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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