elvith

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Yes and…no?

A server often refers a piece of (virtual) hardware, that has some software running that serves content or services to you, usually over the network/internet. It also often means that it’s running and accessible 24/7.

It can also refer to a piece of software that serves those services/content that you can install anywhere. A game server e.g. might be provided by the game publisher for online play, but you could also be able to connect to a private server that’s ran by you or your friend (e.g. Minecraft allows that) or that only runs on your PC for local network play. Webserver fall into this meaning - they are just a piece of software that speak the protocols use on the internet and serve you webpages. In theory you can run them anywhere.

Tip:

For my cloud vps with Caddy and several containers I just pointed Caddy at a simple Caddyfile /opt/caddy/Caddyfile that globally sets up some basic things (like tls config for Let’s encrypt with email address and such) followed by import sites-enabled/*

So every container gets a Caddyfile in /opt/caddy/sites-available/app.caddyfile (or wherever) and that one gets just linked to /opt/caddy/sites-enabled/.

Now it’s easy to change the config of an app and only that one app.