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Run PunBB on Docker

What is PunBB?​

PunBB is a minimalist, fast PHP forum package from the mid-2000s, notable mainly as the project FluxBB was forked from in 2008. It is a PHP application backed by a database (MySQL, PostgreSQL or SQLite), served through a web server, and installed through a browser-based setup wizard. Be aware going in: PunBB has seen essentially no development in recent years, its most recent stable release (1.4.6) is well over a decade old, and it should be treated as effectively unmaintained for anything beyond a legacy site you already run; a modern forum platform or the FluxBB community fork are safer choices for a new project.

Why run PunBB in Docker?​

Docker packages each of those pieces (NGINX, PHP-FPM, MySQL) into isolated containers that run the same on every machine. Instead of installing PHP and MySQL onto your laptop, where versions collide between projects and "works on my machine" starts, you run disposable containers that mirror production and vanish cleanly when you delete them. This matters especially for an old codebase like PunBB, since it lets you pin the exact ancient PHP version it needs without polluting your machine with it, while other projects run current PHP right alongside it.

The catch: wiring those containers together yourself (base images, PHP extensions, networking, permissions) is a week of fiddly Docker work. That is exactly what Laradock removes.

Why Laradock is the best fit for PunBB​

PunBB has no official Docker image or first-party runtime of its own, so a ready-made, no-lock-in environment matters even more for a project this old. Here is why Laradock is the best fit:

  • You are never locked into one ecosystem. Laradock is framework-agnostic. Run a legacy PunBB forum today, add a Laravel API, a WordPress marketing site, or a plain PHP script beside it tomorrow, all in the same environment with the same commands.
  • Far more flexibility. 100+ ready services and any PHP version from 5.6 to 8.5, so you can pin the old PHP version PunBB's codebase actually expects without it touching anything else on your machine.
  • Nothing is hidden and you own everything. No generated files, no magic, no wrapper binary between you and Docker. Every Dockerfile and compose file is right there for you to read and edit.
  • Nothing new to learn. What you use is plain docker compose, knowledge that transfers straight to production. Our CLI is an optional nicety, never a requirement.

Concretely, for PunBB it gives you a production-style NGINX + PHP-FPM stack, MySQL/PostgreSQL already wired, and a workspace container with git and the file tools you need to unpack the PunBB package.

Run PunBB on Docker with Laradock​

1. Add Laradock to your project​

cd my-punbb-forum
git clone https://github.com/laradock/laradock.git
cd laradock && cp .env.example .env

(No PunBB files yet? Clone Laradock first, then download and extract the PunBB package from the workspace container in the next steps.)

2. Pick the services your forum needs​

PunBB needs a web server and a database. The web server pulls in PHP-FPM automatically:

docker compose up -d nginx mysql workspace

Prefer PostgreSQL? Swap the name: docker compose up -d nginx postgres workspace. The full catalog is here.

Prefer to be asked? The optional CLI walks you through the choices: ./laradock setup, then ./laradock up. It prints every real command it runs.

3. Point PunBB at the containers​

PunBB's installer asks for these values in the browser and writes them into config.php; use the service name as the database host:

Database type: MySQL
Database server hostname: mysql
Database username: default
Database password: secret
Database name: default

The default database, user and password live in Laradock's mysql/defaults.env; override any of them by adding the line to Laradock's .env (it always wins).

4. Install and run your forum​

Enter the workspace container, place the PunBB files in your project's web root (download the package from punbb.informer.com and extract it if you have not already), then finish the setup in the browser:

docker compose exec workspace bash

Then open http://localhost/install.php and follow PunBB's install wizard: it checks your PHP setup, asks for the database details from the step above, and creates the admin account. Delete install.php once it is done, as PunBB's own docs recommend.

Change the PHP version anytime​

This is where a native install hurts and Laradock shines. Set the version in Laradock's .env and rebuild:

PHP_VERSION=5.6
docker compose build php-fpm workspace

PunBB 1.4's codebase predates PHP 7, so expect compatibility issues on anything newer without patches; Laradock covers anything from PHP 5.6 to 8.5, so you can give a legacy PunBB install the exact old PHP version it needs while every other project on the same machine runs current PHP, none of it installed on your host.

Frequently Asked Questions​

Do I need to install PHP or MySQL to run PunBB with Laradock?​

No. Everything lives inside the containers. PHP and the database server are all provided; you never install them on your host.

Which services should I start for a typical PunBB forum?​

nginx mysql workspace covers most forums: web server, database, and a shell. Swap mysql for postgres if you prefer.

Can I run multiple PunBB forums on different PHP versions?​

Yes. Give each its own Laradock with a unique COMPOSE_PROJECT_NAME and DATA_PATH_HOST, set a different PHP_VERSION in each, and they run independently on the same machine.

Does this work the same on macOS, Windows and Linux?​

Yes. Laradock runs anywhere Docker runs. On macOS/Windows, file-sync speed depends on Docker Desktop (VirtioFS helps a lot); it is a Docker Desktop trait, not specific to Laradock.

Is this the same Docker setup I would use in production?​

The containers are production-style (real NGINX + PHP-FPM), so it is far closer to production than a native install. See Prepare Laradock for Production for the hardening steps, though given PunBB's maintenance status you should weigh whether it belongs in production at all.

Comparing environments? See the full Laradock vs Others breakdown. Ready to start? Getting Started takes about five minutes.