nginx.conf

server {
    listen 80;
    server_name localhost;

    # Serve built frontend files
    root /usr/share/nginx/html;
    index index.html;

    # Proxy API requests to FastAPI backend
    location /api/ {
        proxy_pass http://backend:8000;  # backend = service name in docker-compose
        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;
    }

    # Fallback for SPA (React Router)
    location / {
        try_files $uri /index.html;
    }
}