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Hosting your own instance

This bot is built on discord.js v14, so you'll need Node.js 16.11.0 (or newer) installed. You will also need your own Discord bot account. If your platform does not have Node.js 16.11.0, consider using something like https://github.com/nvm-sh/nvm.

This guide assumes you're hosting on a Linux distro with systemd. The bot will work on other platforms, but you're on your own figuring that out.

Bot account setup

Your bot account needs the privileged "Server Members Intent" enabled. It also needs these permissions.

Running directly

Quick and easy. Also (mostly) platform-independent!

Create a file config.json and paste in the following (obviously fill in the blanks with your bot's info):

{
  "token": "<your token here>",
  "app": "<your bot application ID here>"
}

Install dependencies, register Discord slash commands, and set up the database for your bot:

git clone https://github.com/Mimickal/ReactionRoleBot.git
cd ReactionRoleBot
npm ci
npm run register -- --config path/to/your/config.json
npm run knex migrate:latest -- -- --config path/to/your/config.json

Start the bot:

npm start -- --config path/to/your/config.json

Running as a service

A little more effort to set up, but better for long-term use.

Follow these same steps for config and dependency setup, except don't start the bot yet.

By default, your config is expected to live in /etc/discord/ReactionRoleBot/config.json. You can change this with the --config argument (see here).

This bot comes with an example systemd service file, reactionrolebot.service.
You'll need to modify this file for your specific environment. Be sure to carefully read the comments in this file!

Once you've done that, pick one of the following ways to run the bot:

System service

  1. Copy reactionrolebot.service to /etc/systemd/system/
  2. Run systemctl restart reactionrolebot.service to start the bot.

User service

  1. Copy reactionrolebot.service to <your home dir>/.config/systemd/user/
  2. Run loginctl enable-linger <your user here>
  3. Run systemctl --user enable reactionrolebot.service
  4. Run systemctl --user start reactionrolebot.service

Additional config

config.json supports a few more optional fields:

  • database_file - Use a different SQLite3 database file. This defaults to /srv/discord/rolebot.sqlite3. Users on non-Linux systems will probably want to change this.
  • enable_precache - true or false. Makes the bot pre-cache all messages with reaction roles on startup. This can help the bot be more consistent when it first starts, but will cause larger bots to be rate limited. Use with caution!
  • guild - A Guild ID. Limits slash command registration to this Guild. This is useful for bot development.
  • log_file - Use a different log file. This defaults to output.log in the project root.

You can also run the bot with a config file other than config.json, but you must provide an absolute file path!

Examples:

# Double-double-dashes escape arg parsing for both npm and knex to pass the config to our code.
npm run knex migrate:latest -- -- --config /absolute/path/to/my_config.json

npm start -- --config /absolute/path/to/my_config.json

SQLite3 errors

The npm ci procedure includes compiling SQLite3 from source. Building from source is always a little harrowing because there are a lot of reasons it can fail. If you run into errors building SQLite3, try one of the following:

  • Delete package-lock.json and run npm install.
  • Try installing build tools.
  • Run npm rebuild node-gyp.
  • Run npm install -g node-gyp.

Try these one at a time.