Devgeniem Docker Wordpress Save

Minimalistic and secure php7+nginx docker container for WordPress

Project README

Lightweight PHP-FPM & Nginx Docker Image for WordPress

devgeniem/alpine-wordpress docker image


This is maintained repository. We use this project in production and recommend this for your projects too. This container doesn't have mysql or email, you need to provide them from elsewhere. This can be other container or your host machine.

I tried to include all build, test and project tools in docker-alpine-wordpress image. I think that more modular design is better for docker and security as well.

This project tries to be as minimal as possible and doesn't include anything that we don't absolutely need in the runtime.

Aren't you only supposed to run one process per container?

We think that docker container should be small set of processes which provide one service rather than one clumsy process. This container uses s6-overlay in order to run php-fpm and nginx together.

Container layout

Mount your wordpress project into:


Your project should define web root in:


This is the place where nginx will serve requests. This is compatible with bedrock layout.

Override project path

You can use OVERRIDE_PROJECT_ROOT variable to change project path with symlink.

For example in Drone CI all mounts are done into /drone/src folder and we use OVERRIDE_PROJECT_ROOT=/drone/src/project in our testing.

Container creates a symlink from /var/www/project into $OVERRIDE_PROJECT_ROOT which allows us to use custom path.

User permissions

You can use WP_GID and WP_UID env to change web user and group.

If these are not set container will look for owner:group from files mounted in /var/www/project/web/.

If these files are owned by root user or root group the container will automatically use 100:101 as permissions instead. This is so that we won't never run nginx and php-fpm as root.

Nginx includes

You can have custom nginx includes in your project mount /var/www/project/nginx.

Include into http {} block: /var/www/project/nginx/http/*.conf

Include into server {} block: /var/www/project/nginx/server/*.conf

See more in our wp-project template.

Cron jobs

You can place cron file in /var/www/project/tasks.cron. This is symlinked to crond and run as user wordpress.

For example:

# do daily/weekly/monthly maintenance
*       *       *       *       *       echo "test log from: $(whoami)..." >> /tmp/test.log

Environment Variables


This sets timezone for the environment and php. See candidates here:

TZ     # Default: 'Europe/Helsinki'


WP_ENV # Default: '' Options: development,testing,production,pretty-much-anything-you-want

Database variables (mysql/mariadb)

DB_NAME     # Default: ''
DB_PASSWORD # Default: ''
DB_USER     # Default: ''
DB_HOST     # Default: ''
DB_PORT     # Default: ''

Remember to set DB_NAME, DB_PASSWORD and DB_USER and use these variables in your wp-config.php. These are automatically added as envs in php context.

Email variables


This variable changes the host where container tries to send mail from. By default this is docker host


This variable changes the port where container tries to connect in order to send mail. By default this is 25.


If this is provided use username in authenticating to mail server. Default: null


If this is provided use password in authenticating to mail server. Default: null


If this is on mail will use username/password authentication in connections to smtp server. This will automatically activate if you use SMTP_USER and SMTP_PASSWORD. Default: off


See more about these variables in msmtp docs.

PHP and Nginx Variables

You can change following env to change php configs:

# Variables and default values

What's inside container:

For running WordPress

  • php7
  • php-fpm7
  • nginx
  • wp-cli

For sending emails with smtp server

  • msmtp
Open Source Agenda is not affiliated with "Devgeniem Docker Wordpress" Project. README Source: devgeniem/docker-wordpress
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