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Docker PHP-FPM 8.0 & Nginx 1.22 on Alpine Linux

  • Built on the lightweight and secure Alpine Linux distribution
  • Very small Docker image size (+/-35MB)
  • Uses PHP 8 for better performance, lower CPU usage & memory footprint
  • Optimized for ~20 concurrent users
  • Optimized to use low amount of resources when there's no traffic (by using PHP-FPM's dynamic PM)
  • The servers Nginx, PHP-FPM and supervisord run under a non-privileged user (nobody) to make it more secure
  • The logs of all the services are redirected to the output of the Docker container (visible with docker logs -f <container name>)
  • Follows the KISS principle (Keep It Simple, Stupid) to make it easy to understand and adjust the image to your needs

nginx 1.22.0 php 8 License MIT

Includes

  • Composer
  • WP-CLI
  • GD2
  • Various other extensions (like SimpleXML)
  • MySQL CLI

This image is built on GitHub actions and hosted on the GitHub Docker images repo. It is also available under khromov/alpine-nginx-php8 on Docker Hub.

Usage

Fetch the prebuilt image in your custom images:

GitHub (preferred):

docker pull ghcr.io/khromov/alpine-nginx-php8/alpine-nginx-php8:latest

If you get "no basic auth credentials", see this page.

Docker Hub:

docker pull khromov/alpine-nginx-php8

Start Nginx, PHP and MySQL via docker-compose

This is convenient for developing Laravel, WordPress or Drupal sites. It includes MySQL and phpMyAdmin

docker-compose up

Now you can access your site at http://localhost:8080 and the MySQL database at db:3306.

The folder ./src-compose will be created and you can put your project files there.

The urls are:

File permission issues

If you copied files into ./src-compose you need to run:

sudo chown -R nobody:nogroup ./src-compose
sudo chmod -R 777 ./src-compose

This makes sure that the files have the correct owner inside the container but remain writable outside of it.

Quick build / run

docker build . -t php8
docker run -p 8080:8080 -t php8

Go to:
http://localhost:8080/

Configuration

In config/ you'll find the default configuration files for Nginx, PHP and PHP-FPM. If you want to extend or customize that you can do so by mounting a configuration file in the correct folder.

Acknowledgements

This image was inspired by TrafeX/docker-php-nginx and this subsequent fork.

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Lightweight Docker image for Nginx and PHP8

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