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

    # The API lives in the backend container; going through the same origin means no CORS
    location /api/ {
        proxy_pass http://fastapi-app:8000;
        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;
    }

    location / {
        try_files $uri $uri/ =404;
    }
}