Building a Discord bot with Node.js and Replit

1

UptimeRobot App

Now your bot will stay alive even after closing your browser or shutting down your development machine. Replit will still clean up your server and kill your bot after about one hour of inactivity, so if you don't use your bot for a while, you'll have to log into your repl and start the bot up again. Alternatively, you can set up a third-party (free!) service like Uptime Robot. Uptime Robot pings your site every five minutes to make sure it's still working -- usually to notify you of unexpected downtime, but in this case the constant pings have the side effect of keeping our repl alive as it will never go more than an hour without receiving any activity. Note that you need to select the "HTTP" option instead of the "Ping" option when setting up Uptime Robot, as Replit requires regular HTTP requests to keep your chatbot alive, or you can use an Always-on repl to keep it running 24/7.

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2

replit

The first thing we need to do is create a Node.js repl to write the code for our Discord bot. Over at Replit, create a new repl, choosing "Node.js" as your language.

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3

Discord.js

We don't need to reinvent the wheel as there is already a great Node wrapper for the Discord bot API called discord.js. Normally we would install this third-party library through npm, but because we're using Replit, we can skip the installation. Our repl will automatically pull in all dependencies.

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