Hello I have got a jar file lavalink to be exact which is basically a music module now i would like to start the jar file from my index.js(Main bot file) as I am not in the financial state to pay for a separate host for the lavalink server and would like to start and use the lavalink server in the same hosting container
No I am not running it in a browser I am using discord.js wrapper to interact with the discord API to make a backend program
Install child process npm i child-process this allows you to execute shell comands
give the exec function as first parameter your command
exec("cd ~/<path-to-directory-jarFile> && java -jar Myjar_file.jar
cd ~/<path-to-directory-jarFile> goes in the directory where your jar file is
java -jar Myjar_file.jar executes your jar file
the && executes your commands consecutevely first the one before then the one after
Example
const { exec } = require("child_process");
exec("cd ~/<path-to-directory-jarFile> && java -jar Myjar_file.jar ", (error, stdout, stderr) => {
if (error) {
console.log(`error: ${error.message}`);
return;
}
if (stderr) {
console.log(`stderr: ${stderr}`);
return;
}
console.log(`stdout: ${stdout}`);
});
Executing Shell Commands in NodeJS:
~/container/srcexec("cd ~/ && java -jar Lavalink.jar ", (error, stdout, stderr) => { this cded into my container if i added cd ~/container it went to home/container/container