server {
    listen 80;
    server_name {{nginx_server_name}};
    return 301 https://$host$request_uri;
}

# Enable SSL session caching for improved performance
ssl_session_cache shared:ssl_session_cache:10m;

server {
    listen {{nginx_server_port}} ssl http2;
    server_name {{nginx_server_name}};

    ssl_certificate {{nginx_ssl_cert}};
    ssl_certificate_key {{nginx_ssl_privkey}};
    include /etc/letsencrypt/options-ssl-nginx.conf;
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;

    ssl_ecdh_curve X25519:prime256v1:secp384r1:secp521r1;
    ssl_stapling on;
    ssl_stapling_verify on;

    gzip_vary on;
    gzip_proxied any;
    gzip_comp_level 6;
    gzip_buffers 16 8k;
    gzip_http_version 1.1;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript application/activity+json application/atom+xml;

    # the nginx default is 1m, not enough for large media uploads
    client_max_body_size 16m;

    proxy_set_header Host              $host;
    proxy_set_header X-Real-IP         $remote_addr;
    proxy_set_header X-Forwarded-For   $remote_addr;
    proxy_set_header X-Forwarded-Proto $scheme;
    proxy_read_timeout                 600;

    location /_matrix {
        proxy_pass http://127.0.0.1:{{nginx_proxy_port}};
    }
}