Do I sense a bit of sarcasm regarding longevity of JS frameworks here?
As other commenters say, if you want results, choose whatever stack you are most productive with.
As you say 'basic' web app: I'd recommend using Firebase, if you are comfortable with the vendor lock-in. For auth, database and deployment it doesn't get much simpler than this.
Strapi is something I've been looking at as a self-hosted firebase competitor for just an api for mobile apps, etc.. It's pretty cool, when I don't want to build out a full-fledge laravel app.
As other commenters say, if you want results, choose whatever stack you are most productive with.
As you say 'basic' web app: I'd recommend using Firebase, if you are comfortable with the vendor lock-in. For auth, database and deployment it doesn't get much simpler than this.