Choose Node.js, Python, or a static site, and the tool writes an optimized multi-stage Dockerfile with the right base image, install step, and exposed port for that stack.
It is a solid, optimized starting point using multi-stage builds — review the base image version and exposed port against your deployment target before shipping.
It is a solid, secure-by-default starting point — review ports, paths, and credentials for your actual server before deploying.
No. Everything is generated client-side in your browser; nothing is uploaded to any server.