moveyourdigital/wordpress repository overview

Maintained by: Move Your Digital⁠

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⁠WordPress for Docker (extends official image)

The official image works well for a simple WordPress installation, however, what happens if you want to deploy WordPress in Docker Swarm and scale it for more than two instances?

This Dockerfile has built-in steroids to handle scalling and includes:

• Uses PHP-FPM 8.0
• Stores PHP sessions in memcached⁠
• Includes composer autoload.php as mu-plugin⁠
• Adds Docker Healthchecks
• Includes a copy of WP-CLI⁠
• Installs WordPress cron to local crontab
• Enables OpCache and APCu
• Installs S3-Uploads⁠ plugins to store media in AWS S3

Does it sound awesome? Give it a try!

⁠Usage

Refer to the docker-compose.yml file for a comprehensive example.

⁠Architectural concept

The main idea was to scale WordPress using two Docker Swarm nodes. We manage to have it with the following architecture:

• One WordPress instance running in each node
• Memcached running in one node
• A AWS S3 bucket to store media
• One MariaDB Maxscale⁠ running in one node
• One master MariaDB running in the first node
• One slave MariaDB running in the second node