nginx.conf

server {
    listen 80;  # Listen on port 80 (default HTTP port)

    root /usr/share/nginx/html;  # Document root
    index index.html;  # Default index file

    error_page 404 /404.html;  # Updated error_page directive to point to the custom 404.html file in the root of the project

    location / {
        try_files $uri $uri/ /404.html;  # Updated try_files directive to serve the custom 404.html file from the root of the project

        # CORS configuration
        add_header Access-Control-Allow-Origin *;  # Allow all origins for simplicity (adjust as needed)
        add_header Access-Control-Allow-Methods "GET, POST, OPTIONS";
        add_header Access-Control-Allow-Headers "Authorization, Content-Type";
        add_header Access-Control-Max-Age 86400;
        add_header Access-Control-Allow-Credentials false;
        add_header Access-Control-Expose-Headers *;

        if ($request_method = 'OPTIONS') {
            return 204;  # Handle OPTIONS preflight requests
        }
    }
}