READJULS.md
Backend, infrastructure, and WebRTC — written up from production debugging sessions.
Recent posts
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Security Blind Spot of Docker Proven by AI Agents: Why Docker is Being Replaced by Podman and…
Recently, a major talking point went viral across the tech community: OpenAI’s AI coding agent, Codex, managed to alter core system…
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Why Apps Exist? Why Vibe-Coding Will Hits a Dead End In the End?
We are currently living in the golden age of “Vibe-Coding.” With the advent of LLMs, the barrier to entry for software development has…
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TypeScript is Not TypeScript: The Trap of Generic
Something that should never happen in production actually happened.
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Lambda Does Not Be Within Your VPC: The Lambda Service VPC and the Hyperplane ENI Architecture
We first review the standard network architecture of AWS Regions and VPCs, and their inherent network relationships.
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Do NOT`tail -f /dev/null` to Keep a Container Running: The Role of the PID 1 Process
While reviewing a legacy system at work, I came across a container setup where a Python script was running as a background job. To keep the…