Caddy web server: Caddyfile www redirection snippets

Caddyfile

(strip-www) {
        @www.{args[0]} host www.{args[0]}
        redir @www.{args[0]} {scheme}://{args[0]}{uri} 308
}

(add-www) {
        @{args[0]} host {args[0]}
        redir @{args[0]} {scheme}://www.{args[0]}{uri} 308
}