worker_processes auto;
error_log /var/log/nginx/error.log warn;
events {
    worker_connections 4096;
}
http {
    include /etc/nginx/mime.types;
    default_type application/octet-stream;
    access_log /var/log/nginx/access.log;
    sendfile on;
    keepalive_timeout 65;
    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_prefer_server_ciphers off;
    ssl_session_cache shared:SSL:10m;
    ssl_stapling on;
    ssl_stapling_verify on;
    server {
        listen 80;
        listen [::]:80;
        server_name _;
        location /.well-known/acme-challenge/ {
            root /var/www/acme;
        }
        location / {
            return 301 https://$host$request_uri;
        }
    }
    server {
        listen 443 ssl http2;
        listen [::]:443 ssl http2;
        server_name _;
        ssl_certificate /etc/nginx/certs/fullchain.pem;
        ssl_certificate_key /etc/nginx/certs/privkey.pem;
        client_max_body_size 10G;
        location / {
            proxy_pass http://127.0.0.1:3000;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
            proxy_read_timeout 86400;
            proxy_send_timeout 86400;
            proxy_buffering off;
        }
    }
}