server {
    listen 80;
    server_name dropzone.example.com;

    # HTTP → HTTPS redirect
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl;
    server_name dropzone.example.com;

    ssl_certificate     /etc/nginx/certs/fullchain.pem;
    ssl_certificate_key /etc/nginx/certs/privkey.pem;

    # --- Large files: upload up to 6GB ---
    client_max_body_size 6g;

    # Long timeouts for large uploads (5GB on slow connections)
    proxy_read_timeout    3600s;
    proxy_send_timeout    3600s;
    proxy_connect_timeout 60s;

    # --- Frontend (Vue 3 built to /app/frontend/dist) ---
    location / {
        root /app/frontend/dist;
        try_files $uri $uri/ /index.html;
    }

    # --- Backend API ---
    location /api/ {
        proxy_pass         http://backend:8080;
        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_buffering    off;        # important for large files
        proxy_request_buffering off;   # do not buffer uploads in Nginx
    }

    # --- tus: resumable upload of large files ---
    location /files/ {
        proxy_pass         http://backend:8080;
        proxy_set_header   Host $host;
        proxy_set_header   X-Real-IP $remote_addr;
        proxy_buffering    off;
        proxy_request_buffering off;

        # Required by the tus protocol
        proxy_http_version 1.1;
    }

    # --- Direct file serving via Nginx (X-Accel-Redirect) ---
    # Backend returns X-Accel-Redirect header instead of streaming the file
    location /internal/public/ {
        internal;
        alias /mnt/dysk/public/;
    }

    location /internal/userfiles/ {
        internal;
        alias /mnt/dysk/;
    }
}