Tech Lead & Architect. 20 years in the trenches scaling .NET, Azure & Microservices to 3M DAU. Building resilient, cloud-native enterprise SaaS. 🚀
Joined July 2009
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Paul Dao Nhan Nguyen retweeted
Jun 12
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I just open-sourced Ralph — a harness that runs Claude Code in an implementer → reviewer loop inside a Docker sandbox, while you're AFK.
You hand it a plan and an iteration count. It hands you back reviewed commits. 🧵
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Jun 12
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I just open-sourced Ralph — a harness that runs Claude Code in an implementer → reviewer loop inside a Docker sandbox, while you're AFK.
You hand it a plan and an iteration count. It hands you back reviewed commits. 🧵
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Jun 12
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Overnight recipe:
ralph-afk --detach --notify "<plan> <prd>" 50
Forks to background, holds an OS wake-lock, retries transient failures (5s/30s/2m), toasts when done.
Works from PowerShell, WSL, Git Bash, macOS, Linux.
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Jun 12
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MIT licensed. Two npm packages one Docker image, releases automated with release-please (SBOM cosign attestations).
Repo, quickstart, and the full stack diagram:
github.com/daonhan/ralph
More details: open.substack.com/pub/daonha…
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1/ I let agents write most of the code for an 8-service .NET 10 platform. I never vibe-coded. Not once. The difference: written contracts, in the repo, before any code. Part 2 of 8. 🧵
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Repo: github.com/daonhan/Microserv… Ralph: npmjs.com/package/@daonhan/r… Substack: open.substack.com/pub/daonha…
LinkedIn: linkedin.com/in/daonhan
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