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mondedie/docker-flarum

What is this ?

Flarum is the next-generation forum software that makes online discussion fun. It's simple, fast, and free. http://flarum.org/

Features

Lightweight & secure image
Based on Alpine Linux with nginx and PHP 7
Latest Flarum Beta (v0.1.0-beta.7.1)
MySQL/Mariadb driver
OPCache extension configured

Build-time variables

VERSION = Version of flarum (default: v0.1.0-beta.7)

Ports

8888

Volume

/flarum/app/assets : Flarum assets directory
/flarum/app/extensions : Flarum extension directory

Environment variables

Variable	Description	Type	Default value
UID	Flarum user id	optional	991
GID	Flarum group id	optional	991
DEBUG	Flarum debug mode	optional	false
FORUM_URL	Forum URL	required	none
DB_HOST	MariaDB instance ip/hostname	optional	mariadb
DB_USER	MariaDB database username	optional	flarum
DB_NAME	MariaDB database name	optional	flarum
DB_PASS	MariaDB database password	required	none
DB_PREF	Flarum tables prefix	optional	none
UPLOAD_MAX_SIZE	The maximum size of an uploaded file	optional	50M
PHP_MEMORY_LIMIT	PHP memory limit	optional	128M
OPCACHE_MEMORY_LIMIT	OPcache memory size in megabytes	optional	128
LOG_TO_STDOUT	Enable nginx and php error logs to stdout	optional	false

Installation

1 - Pull flarum image

# Pull from hub.docker.com :
docker pull mondedie/docker-flarum:0.1.0-beta.7.1-stable

# or build it manually :
docker build -t mondedie/docker-flarum https://github.com/mondediefr/flarum.git#master

2 - Docker-compose.yml

version: "3"

services:
  flarum:
    image: mondedie/docker-flarum:0.1.0-beta.7.1-stable
    container_name: flarum
    environment:
      - FORUM_URL=http://flarum.local
      - DB_PASS=xxxxxx
    volumes:
      - /mnt/docker/flarum/assets:/flarum/app/assets
      - /mnt/docker/flarum/extensions:/flarum/app/extensions
    depends_on:
      - mariadb

  mariadb:
    image: mariadb:10.1
    container_name: mariadb
    environment:
      - MYSQL_ROOT_PASSWORD=xxxxxx
      - MYSQL_DATABASE=flarum
      - MYSQL_USER=flarum
      - MYSQL_PASSWORD=xxxxxx
    volumes:
      - /mnt/docker/mysql/db:/var/lib/mysql

3 - Run it

You need a reverse proxy to access flarum, this is not described here. You can use the solution of your choice (Traefik, Nginx, Apache, Haproxy, Caddy, H2O...etc).

docker-compose up -d

Fill out the installation form :

Your admin password must contain at least 8 characters.
You can't use MariaDB 10.2 or 10.3 for the moment. More information on this issue here.
If you get an error 500 with Something went wrong message, switch the DEBUG environment variable to true to see the actual error message in your browser.

Click on Install Flarum and after few seconds the forum homepage should appear.

Upgrade from v0.1.0-beta.6

⚠️ Disable 3rd party extensions prior to upgrading.

docker pull mondedie/docker-flarum:0.1.0-beta.7.1-stable && docker-compose up -d

Navigate to yourforum.com/admin, enter your database password and update.

Remove and restart your container :

docker-compose stop flarum
docker-compose rm flarum
docker-compose up -d

Install custom extensions

Flarum extensions list : https://packagist.org/search/?q=flarum-ext

Install an extension

docker exec -ti flarum extension require some/extension

Remove an extension

docker exec -ti flarum extension remove some/extension

List all extensions

docker exec -ti flarum extension list

Custom error pages

To use custom error pages, add your .html files in /mnt/docker/flarum/assets/errors folder :

mkdir -p /mnt/docker/flarum/assets/errors
touch 403.html 404.html 500.html 503.html
chown -R 991:991 /mnt/docker/flarum

Custom composer repositories

To use the composer repository system, add your repo name and json representation in /mnt/docker/flarum/extensions/composer.repositories.txt :

my_private_repo|{"type":"path","url":"extensions/*/"}
my_public_repo|{"type":"vcs","url":"https://github.com/my/repo"}

https://getcomposer.org/doc/03-cli.md#modifying-repositories

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