listen 443 ssl http2;
listen [::]:443 ssl http2;

ssl_protocols TLSv1.2 TLSv1.3;
ssl_ecdh_curve X25519:P-256;
ssl_prefer_server_ciphers on;
ssl_ciphers 'ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384';

ssl_session_timeout 1d;
ssl_session_cache shared:SSL:50m;
ssl_session_tickets on;
add_header Strict-Transport-Security max-age=15768000;
ssl_stapling on;
ssl_stapling_verify on;
{% include 'roles/letsencrypt/templates/ssl_credentials.j2' %}