server {
    listen 80;
    server_name _;

    root /usr/share/nginx/html;
    index index.html;

    # Serve React app — handle client-side routing
    location / {
        try_files $uri $uri/ /index.html;
    }

    # Proxy all /api/* requests to FastAPI backend
    location /api/ {
        proxy_pass http://backend:8000;
        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_read_timeout 60s;
    }

    # Access logs — viewable with: docker logs pastevault-frontend
    access_log /var/log/nginx/access.log;
    error_log  /var/log/nginx/error.log;

    # Security headers
    add_header X-Frame-Options "SAMEORIGIN";
    add_header X-Content-Type-Options "nosniff";
}