# https://www.nginx.com/blog/introducing-technology-preview-nginx-support-for-quic-http-3/
server {
    # quic and http/3
    listen 443 http3 reuseport;

    # http/2 and http/1.1
    listen 443 ssl http2;

    # openssl-generated pair for local development
    # https://letsencrypt.org/docs/certificates-for-localhost/
    ssl_certificate     /etc/nginx/ssl/fullchain.pem;
    ssl_certificate_key /etc/nginx/ssl/privkey.pem;

    # Enable all TLS versions (TLSv1.3 is required for QUIC).
    ssl_protocols TLSv1.2 TLSv1.3;

    # 0-RTT QUIC connection resumption
    ssl_early_data on;

    # Add Alt-Svc header to negotiate HTTP/3.
    add_header alt-svc 'h3=":443";ma=86400,h3-27=":443";ma=86400,h3-28=":443";ma=86400,h3-29=":443";ma=86400';
    add_header httpversion $server_protocol;     # Sent when QUIC was used

    location /static/ {
        root   /static;
    }

    location /uploads/ {
        root   /uploads;
    }
    
    location / {
        proxy_pass http://backend:3000;
        proxy_set_header httpversion $server_protocol;
    }

    # location / {
    #     root   /static;

    #     gzip_static on;
    #     brotli_static on;

    #     expires 1d;
    # }

}