<IfModule mod_ssl.c>
SSLStaplingCache shmcb:/var/run/apache2/stapling_cache(128000)
<VirtualHost *:443>
        ServerName domain.de
        ServerAlias v3.domain.de www.domain.de
        DocumentRoot /var/www/airsonic/html

        ErrorLog /var/www/airsonic/logs/error.log
        CustomLog /var/www/airsonic/logs/access.log combined

        ProxyPass / http://127.0.0.1:4040/
        ProxyPassReverse / http://127.0.0.1:4040/
        RequestHeader     set       X-Forwarded-Proto "https"

        #websocket proxying
        RewriteEngine on
        RewriteCond %{HTTP:Upgrade} websocket [NC]
        RewriteCond %{HTTP:Connection} upgrade [NC]
        RewriteRule ^/?(.*) "ws://127.0.0.1:4040/$1" [P,L]


        Header always unset X-Frame-Options

        Include /etc/letsencrypt/options-ssl-apache.conf
        Header always set Strict-Transport-Security "max-age=31536000"
        SSLUseStapling on
        SSLCertificateFile      /etc/letsencrypt/live/v3.domain.de/fullchain.pem
        SSLCertificateKeyFile /etc/letsencrypt/live/v3.domain.de/privkey.pem
</VirtualHost>
</IfModule>