server {
    listen 80;
    server_name _;
    root /usr/share/nginx/html;
    index index.html;

    # Client upload body size (avatars, etc.)
    client_max_body_size 10m;

    # Proxy API calls to the api service (keeps /api prefix)
    location /api/ {
        proxy_pass http://api:3001;
        proxy_http_version 1.1;
        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 static uploads (avatars served by the API from /public)
    location /avatars/ {
        proxy_pass http://api:3001;
        proxy_set_header Host $host;
    }

    # SPA fallback
    location / {
        try_files $uri $uri/ /index.html;
    }
}