server {
    listen 80;
    listen [::]:80;
    server_name element.example.com;
    location /.well-known/acme-challenge/ { root /var/www/html; }
    location / { return 301 https://$host$request_uri; }
}

server {
    listen 443 ssl;
    listen [::]:443 ssl;
    http2 on;
    server_name element.example.com;

    ssl_certificate     /etc/letsencrypt/live/matrix.example.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/matrix.example.com/privkey.pem;
    include /etc/letsencrypt/options-ssl-nginx.conf;
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;

    root /var/www/element;
    index index.html;

    # Element laedt Raum-Inhalte in Iframes/Worker; diese Header sind die
    # von Element empfohlene Mindestabsicherung.
    include /etc/nginx/snippets/element-security.conf;

    # config.json und index.html duerfen nicht dauerhaft gecacht werden,
    # sonst zeigen Clients nach einem Update alte Serverdaten.
    location = /config.json {
        include /etc/nginx/snippets/element-security.conf;
        add_header Cache-Control "no-cache" always;
    }
    location = /index.html {
        include /etc/nginx/snippets/element-security.conf;
        add_header Cache-Control "no-cache" always;
    }
    location = /version {
        include /etc/nginx/snippets/element-security.conf;
        add_header Cache-Control "no-cache" always;
    }

    # Gehashte Bundle-Dateien sind unveraenderlich.
    location /bundles/ {
        include /etc/nginx/snippets/element-security.conf;
        add_header Cache-Control "public, max-age=31536000, immutable" always;
    }

    location / {
        try_files $uri $uri/ /index.html;
    }
}