- Use `__DIR__` for `vendor/autoload.php` in PHP autoload path. - Add Composer dependency auto-installation at container startup with `docker-entrypoint.sh`. - Extend Docker image to include `libssl-dev` and `ca-certificates` for TLS support. - Enable dynamic installation of application dependencies during runtime via entrypoint. - Update Composer dependencies, including AWS SDK, Guzzle, and OpenTelemetry libraries.