Running bash file on Heroku-CodePudding

I'm trying to start my Discord bot using a bash file on Heroku, so the bot wil automaticly restart when it gets an error.

My worker on Heroku is: chmod a x run.sh

The run.sh file:

#!/bin/sh
function main(){
node .
echo "The bot is crashed, restarting now..."
main
}
main

Edit: I changed the worker to bash run.sh and limited the run.sh file to:

#!/bin/bash
node index.js
echo "The bot is online."

Now I'm getting this response: Error: Cannot find module '/app/index.js

CodePudding user response：

Try changing your header to /bin/bash. function is not POSIX. You can also just omit function if you won't be using other bash features.

Also I notice that you're calling main from main and that would cause repeated calls. Even if that's intended it would still be better to use a loop. Bash is not tail call optimzation aware.

CodePudding user response：

You don't need to (and shouldn't) write your own startup script with Heroku. That's what the Procfile is for. Something like this should do it:

worker: node index.js

That defines a worker process type that will run node index.js. Then, as long as you have a worker dyno running, your script should run.