Exit commands on Node.js with MariaDB backend

exit.js

process.on('SIGINT', exit);  // CTRL+C
process.on('SIGQUIT', exit); // Keyboard quit
process.on('SIGTERM', kill); // `kill` command
process.on('SIGWINCH', exit); // docker down or else idk

function exit() {
    console.log("Exiting...");
    DB.end().then(process.exit(0))
    .catch(err=>{
        console.error("MariaDB End connexion error:", err);
        process.exit(1);
    });
}

function kill() {
    console.log("SIGTERM received, killing connexion...");
    DB.end(true).then(process.exit(0))
    .catch(err=>{
        console.error("MariaDB End connexion error:", err);
        process.exit(1);
    });
}