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Headless WordPress Docker Compose | Setup Guide

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Learn how to set up Headless WordPress with Docker Compose & Docker. Our WordPress Support team is here to help you with your questions and concerns.

Headless WordPress Docker Compose

Did you know that a headless WordPress site is a WordPress installation that is decoupled from the front end?

It lets developers use any front-end technology, like React or Vue.

Today, we will take a closer look at setting up a headless WordPress site locally using Docker and docker-compose, and then integrating it with a NextJS application.

Setting Up a Headless WordPress Site with Docker

To get started, we need Docker and docker-compose. Docker is a containerization platform, while docker-compose is a tool for defining and running multi-container Docker applications.

Now, we have to create a docker-compose.yml file with configurations for MySQL and WordPress services. This file will define the containers, their dependencies, and environment variables.

Headless WordPress Docker Compose

 

This docker-compose file sets up a MySQL database and a WordPress container. We can adjust the environment variables as needed. To start the containers, head to the directory with the docker-compose.yml file and run the command `docker-compose up -d`.

We can access our WordPress site at http://localhost:8000.

How to Use Docker for Local Development with NextJS

Now, it is time to integrate the headless WordPress site with a NextJS application.

  1. We start by creating a Next app using the WordPress preset:
    yarn create next-app --example cms-wordpress cms-wordpress-app
  2. Then, set up a local WordPress site with minimal configuration via @wordpress/wp-env.
  3. Next, install the package:
    yarn add @wordpress/env
  4. We can create a .wp-env.json config file for the local Docker site:
    .wp-env.json config file
  5. We can make sure the WordPress site is working by running:
    yarn wordpress
  6. Then, configure NextJS to work with WordPress by creating a .env file:
    WORDPRESS_API_URL=http://localhost:4113/graphql
  7. Now, start the NextJS application:
    yarn && yarn dev

    Our NextJS front-end should be accessible at http://localhost:3000/.

Furthermore, we can add a plugin or mu-plugin for custom code. This involves creating a directory named “wordpress-plugin” and adding a file inside it. We have to update the “plugins” section of .wp-config.json to include this directory:

update the "plugins" section of .wp-config.json

[Need assistance with a different issue? Our team is available 24/7.]

Conclusion

In brief, our Support Experts demonstrated how to set up Headless WordPress with Docker Compose & Docker.

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