A simple Docker based development environment for WordPress.
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readme.md

WordPress Docker Development Environment

This is a Docker based local development environment for WordPress.

What's Inside

This project is based on docker-compose. By default, the following containers are started: PHP-FPM, MariaDB, Elasticsearch, nginx, and Memcached. The /wordpress directory is the web root which is mapped to the nginx container.

You can directly edit PHP, nginx, and Elasticsearch configuration files from within the repo as they are mapped to the correct locations in containers.

A Dockerfile is included for PHP-FPM (/dockerfiles/php-fpm/Dockerfile). This adds a few extra things to the PHP-FPM image.

The /config/elasticsearch/plugins folder is mapped to the plugins folder in the Elasticsearch container. You can drop Elasticsearch plugins in this folder to have them installed within the container.

Requirements

Setup

  1. git clone git@github.com:10up/wp-local-docker.git <my-project-name>
  2. cd <my-project-name>
  3. docker-compose up
  4. Run setup to download WordPress and create a wp-config.php file.
    1. On Linux / Unix / OSX, run sh bin/setup.sh.
    2. On Windows, run ./bin/setup.
  5. Navigate to http://localhost in a browser to finish WordPress setup.
    1. If you want to use a domain other than http://localhost, you'll need to add an entry to your hosts file. Ex: 127.0.0.1 docker.dev

Default MySQL connection information (from within PHP-FPM container):

Database: wordpress
Username: wordpress
Password: password
Host: mysql

Default Elasticsearch connection information (from within PHP-FPM container):

Host: http://elasticsearch:9200

The Elasticsearch container is configured for a maximum heap size of 750MB to prevent out of memory crashes when using the default 2GB memory limit enforced by Docker for Mac and Docker for Windows installations or for Linux installations limited to less than 2GB. If you require additional memory for Elasticsearch override the value in a docker-compose.override.yml file as described below.

Docker Compose Overrides File

Adding a docker-compose.override.yml file alongside the docker-compose.yml file, with contents similar to the following, allows you to change the domain associated with the cluster while retaining the ability to pull in changes from the repo.

version: '2'
services:
  phpfpm:
    extra_hosts:
      - "dashboard.dev:172.18.0.1"
  elasticsearch:
    environment:
      ES_JAVA_OPTS: "-Xms2g -Xmx2g"

WP-CLI

Add this alias to ~/.bash_profile to easily run WP-CLI command.

alias dcwp='docker-compose exec --user www-data phpfpm wp'

Instead of running a command like wp plugin install you instead run dcwp plugin install from anywhere inside the <my-project-name> directory, and it runs the command inside of the php container.

There is also a script in the /bin directory that will allow you to execute WP CLI from the project directory directly: ./bin/wp plugin install.

SSH Access

You can easily access the WordPress/PHP container with docker-compose exec. Here's a simple alias to add to your ~/.bash_profile:

alias dcbash='docker-compose exec --user root phpfpm bash'

This alias lets you run dcbash to SSH into the PHP/WordPress container.

Alternatively, there is a script in the /bin directory that allows you to SSH in to the environment from the project directory directly: ./bin/ssh.

MailCatcher

MailCatcher runs a simple local SMTP server which catches any message sent to it, and displays it in it's built-in web interface. All emails sent by WordPress will be intercepted by MailCatcher. To view emails in the MailCatcher web interface, navigate to http://localhost:1080 in your web browser of choice.

Credits

This project is our own flavor of an environment created by John Bloch.