kossakovsky/n8n-install ? reverse-engineered prompt

Build me a self hosted AI automation stack that I can set up with one command on Ubuntu. I want an interactive install that lets me pick the tools I need, then brings everything up with sensible defaults, automatic HTTPS, and no manual config if possible.

It should include n8n for automation, Ollama and Open WebUI for local AI chat, Flowise for building agents, and support for RAG and vector search with things like Qdrant or similar. If it makes sense, also include the useful extras like Postgres, Redis, monitoring, and a few common admin tools so the whole thing feels ready to use right away.

Please make it easy to start, stop, and update, and if you can, let it optionally import some ready made workflows during setup. I’d also like clear setup notes for custom domains and cloudflare style HTTPS if needed.