loader.js

const child_process = require("child_process");

// Add your files here

const start_files = [
    "./Bot1/index.js",
    "./Bot2/index.js"
];

// Don't edit below this line

console.log(`[Loader]Loading ${start_files.length} files`);

function runfile(name) {
    return new Promise((resolve) => {
        const working_dir = name.split("/").slice(0, -1).join("/");
        const file = name.split("/")[name.split("/").length - 1];

        console.log(`[Loader]Installing dependencies in directory ${working_dir}`);
    
        child_process.spawn("npm", [ "install", "--build-from-resource", "--no-bin-links", "--cache", "/tmp/.npm-global", "--update-notifier", "false", "--prefix", `/home/minecraft/multicraft/servers/server${process.env.SERVER_ID}/${working_dir}` ], {
            cwd: working_dir
        }).on("exit", () => {
            console.log(`[Loader]Opening file ${name}`);
    
            child_process.spawn(process.execPath, [ file ], {
                cwd: working_dir,
                stdio: 'inherit'
            }).on("exit", resolve);
        });
    });
}

for (const f of start_files) {
    runfile(f).then(() => console.log(`[Loader]File ${f} stopped`));
}