# Production shape for browser -> nginx -> upl -> local filesystem.
#
# Replace server_name, certificate paths, and access control before exposing
# this app. Keep upl itself bound to 127.0.0.1.

upstream upl_backend {
    server 127.0.0.1:3000;
    keepalive 16;
}

server {
    listen 443 ssl http2;
    server_name uploads.example.com;

    ssl_certificate /etc/letsencrypt/live/uploads.example.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/uploads.example.com/privkey.pem;

    client_max_body_size 64m;

    # Add HTTP basic auth, an IP allowlist, VPN-only access, or another
    # protection layer before exposing this personal upload tool publicly.
    # auth_basic "upl";
    # auth_basic_user_file /etc/nginx/upl.htpasswd;

    # Expose only completed uploads. Keep UPL_TEMP_DIR outside every nginx
    # alias/root so in-progress temp files and progress markers are private.
    location /files/ {
        alias /srv/upl/data/complete/;
        autoindex on;
        try_files $uri =404;
    }

    location / {
        proxy_pass http://upl_backend;
        proxy_http_version 1.1;
        proxy_request_buffering off;
        proxy_buffering off;
        proxy_read_timeout 3600s;
        proxy_send_timeout 3600s;
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto https;
        proxy_set_header X-Real-IP $remote_addr;
    }
}