self-hosting/nginx/sites-available/koel.conf.template

server {
    # SSL Key locations
    ssl_certificate     /etc/letsencrypt/live/${KOEL_DOMAIN}/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/${KOEL_DOMAIN}/privkey.pem;

    listen ${HTTPS_PORT} ssl;
    listen [::]:${HTTPS_PORT} ssl;
    server_name ${KOEL_DOMAIN};

    location / {
        proxy_set_header Host              $host;
        proxy_set_header X-Real-IP         $remote_addr;
        proxy_set_header X-Forwarded-For   $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Host  $server_name;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-Ssl   on;

        resolver 127.0.0.11;
        proxy_pass http://${KOEL_HOST}:80;
    }
}