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mondedie/flarum

Tag available

latest (Dockerfile)
stable (Dockerfile)
1.0.2 (Dockerfile)
1.2.0 (Dockerfile)

Features

Multi-platform image: linux/386, linux/amd64, linux/arm/v6, linux/arm/v7, linux/arm64
Lightweight & secure image
Based on Alpine Linux 3.16
nginx and PHP 8.0
Latest Flarum Framework (v1.3.0)
MySQL/Mariadb driver
OPCache extension configured

Build-time variables

VERSION = Version of flarum/flarum skeleton (default: v1.3.0)

Ports

Default: 8888 (configurable)

Volume

/flarum/app/extensions : Flarum extension directory
/flarum/app/public/assets : Flarum assets directory
/flarum/app/storage/logs : Flarum logs directory
/etc/nginx/flarum : Nginx location 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
DB_PORT	MariaDB database port	optional	3306
FLARUM_PORT	Port to run Flarum on inside the container	optional	8888
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
GITHUB_TOKEN_AUTH	Github token to download private extensions	optional	false
PHP_EXTENSIONS	Install additional php extensions	optional	none

Required environment variable for first installation

Variable	Description	Type	Default value
FLARUM_ADMIN_USER	Name of your user admin	required	none
FLARUM_ADMIN_PASS	User admin password	required	none
FLARUM_ADMIN_MAIL	User admin adress mail	required	none
FLARUM_TITLE	Set a name of your flarum	optional	Docker-Flarum

Installation

1 - Pull flarum image

# Pull from hub.docker.com :
docker pull mondedie/flarum:latest

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

2 - Docker-compose.yml

version: "3"

services:
  flarum:
    image: mondedie/flarum:stable
    container_name: flarum
    env_file:
      - /mnt/docker/flarum/flarum.env
    volumes:
      - /mnt/docker/flarum/assets:/flarum/app/public/assets
      - /mnt/docker/flarum/extensions:/flarum/app/extensions
      - /mnt/docker/flarum/storage/logs:/flarum/app/storage/logs
      - /mnt/docker/flarum/nginx:/etc/nginx/flarum
    ports:
      - 80:8888
    depends_on:
      - mariadb

  mariadb:
    image: mariadb:10.5
    container_name: mariadb
    environment:
      - MYSQL_ROOT_PASSWORD=xxxxxxxxxx
      - MYSQL_DATABASE=flarum
      - MYSQL_USER=flarum
      - MYSQL_PASSWORD=xxxxxxxxxx
    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).

Create a environment file (see docker-compose: /mnt/docker/flarum/flarum.env here)

# vi /mnt/docker/flarum/flarum.env

DEBUG=false
FORUM_URL=http://domain.tld

# Database configuration
DB_HOST=mariadb
DB_NAME=flarum
DB_USER=flarum
DB_PASS=xxxxxxxxxx
DB_PREF=flarum_
DB_PORT=3306

# User admin flarum (environment variable for first installation)
# /!\ admin password must contain at least 8 characters /!\
FLARUM_ADMIN_USER=admin
FLARUM_ADMIN_PASS=xxxxxxxxxx
FLARUM_ADMIN_MAIL=admin@domain.tld
FLARUM_TITLE=Test flarum

Run your docker-compose

docker-compose up -d mariadb
# Wait a moment for the creation of the database
docker-compose up -d flarum

⚠️ Your admin password must contain at least 8 characters (FLARUM_ADMIN_PASS).
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.

Install additional php extensions

version: "3"

services:
  flarum:
    image: mondedie/flarum:stable
    container_name: flarum
    environment:
      - PHP_EXTENSIONS=gmp session brotli
    volumes:
      - /mnt/docker/flarum/assets:/flarum/app/public/assets
      - /mnt/docker/flarum/extensions:/flarum/app/extensions
      - /mnt/docker/flarum/storage/logs:/flarum/app/storage/logs
      - /mnt/docker/flarum/nginx:/etc/nginx/flarum

This example install php8-gmp php8-session and php8-brotli with apk
You can find a php extension here https://pkgs.alpinelinux.org/packages?name=php8-*&branch=v3.13&arch=x86_64

Install custom extensions

Flarum extensions list : https://flagrow.io/extensions

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 vhost flarum nginx

File to change the vhost flarum /etc/nginx/flarum/custom-vhost-flarum.conf
To use file custom-vhost-flarum.conf add volume /etc/nginx/flarum Create file in /mnt/docker/flarum/nginx/custom-vhost-flarum.conf

# Example of custom vhost flarum for nginx
# fix nginx issue for fof/sitemap (https://github.com/FriendsOfFlarum/sitemap)

location = /sitemap.xml {
  try_files $uri $uri/ /index.php?$query_string;
}

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"}

Example for a private repository in github

Add this in /mnt/docker/flarum/extensions/composer.repositories.txt

username|{"type":"vcs","url":"https://github.com/username/my-private-repo"}

Create a token in github with full control of privates repository
https://github.com/settings/tokens

Add your github token in var environment

GITHUB_TOKEN_AUTH=XXXXXXXXXXXXXXX

Add your repo in the list file /mnt/docker/flarum/extensions/list

username/my-private-repo:0.1.0

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

Guide for upgrade your flarum container

See the instructions here

License

Docker image mondedie/flarum is released under MIT License.

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