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Show HN: I replaced paid WhatsApp platform With a self-hosted Free stack (n8n) [video]

https://www.youtube.com/watch?v=J08qIsBXs9k
1•ahmedelhadidi•7h ago
Demo video (8–10 min): https://www.youtube.com/watch?v=J08qIsBXs9k

Quick start macOS/Linux: cd ./Mac docker compose up -d

Windows (PowerShell/CMD): cd .\Windows docker compose up -d

How it connects 1.Start containers, open http://localhost:3000, Link Device (scan QR) 2.In n8n, create a POST webhook and copy the Production URL 3.In the WA dashboard, set event=messages → paste the n8n URL • If both run in Docker: use http://n8n/… (service name), not localhost 4.Add AI Agent node + memory (window=10) 5. Add HTTP Request node to send the AI reply back to WhatsApp

Gotchas • The WhatsApp session must be named “default” • Bind volumes for persistence so you don’t re-link after restarts • You can raise the memory window above 10 if your use-case needs it

Roadmap (feedback welcome) • Attachments/media • Multi-number routing • Retries/monitoring/healthchecks • FAQ/Docs ingestion for the agent

Not affiliated with WhatsApp or Meta. Please use on accounts you control and follow local laws. Happy to answer technical questions and share snippets.

Easy-to-use calculator for Roblox Grow a Garden

https://growagardencalculator.one
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Result Isomorphism

https://blog.ploeh.dk/2025/10/15/result-isomorphism/
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RAG-Anything: All-in-One RAG Framework

https://arxiv.org/abs/2510.12323
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2•TractionTales•1h ago•1 comments

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