Avik
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Writing

I write about development techniques, project insights, and lessons learned building software.

2026

How Nixpacks, buildctl, and BuildKit Actually Fit Together

Three tools, one deploy pipeline. What Nixpacks plans, what buildctl sends, what buildkitd executes — and why you need two registry hostnames, a Unix socket, and a Dockerfile you never wrote by hand.

May 24, 2026

Phase 2: I Rebuilt the Build Pipeline, Hardened Everything, and Broke It Again

After the first working preview URL, I threw away the MinIO artifact pipeline, switched to Nixpacks + BuildKit + a local registry, ran a security audit, and spent an evening fixing permission errors that only show up on real projects.

May 24, 2026

I Built a Mini Vercel like Clone in Rust in One Day. Here's Every Mistake I Made.

57 commits. One day. A working local Vercel clone with GitHub webhooks, a NATS build queue, MinIO artifact storage, and isolated Node containers serving preview URLs — the full story and every bug I fixed.

May 17, 2026

Terminal Sharing Over WebRTC: Building Term Bridge with Cloudflare Workers and PTY Multiplexing

Building a real-time terminal sharing tool that uses WebRTC DataChannels for peer-to-peer PTY streaming, Cloudflare Workers + Durable Objects for signaling, and a 6-digit pairing code to connect two machines in seconds. Line-by-line breakdown of signaling, bidirectional data flow, and the control protocol underneath.

May 3, 2026

I Tried Apple's Native Container CLI So You Don't Have To (Yet)

Apple shipped a native container CLI with macOS 26 Tahoe. VM-per-container isolation, sub-second starts, no Docker Desktop. I spent a weekend with it and here's what actually works, what doesn't, and whether you should care.

May 2, 2026

Building a FinTech Platform with Go Microservices as a Beginner

A deep dive into building a local fintech platform with Go, Chi, Kafka, and PostgreSQL — covering the transaction saga pattern, event-driven pipelines, and the subtle bugs that only show up end-to-end.

Apr 25, 2026

Third Book. Principles of Building AI Agents by Sam Bhagwat.

A complete chapter-by-chapter breakdown of Sam Bhagwat's guide to AI agents, from model selection and prompting to workflows, RAG, multi-agent systems, evals, and deployment.

Apr 18, 2026

How Not to Be a Team in the AI Age

We gave AI everything. We forgot to keep talking to each other. A reflection on what happens to teams when async and AI replace conversation.

Apr 16, 2026

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Popular Reads

How Nixpacks, buildctl, and BuildKit Actually Fit Together

May 24, 2026

Phase 2: I Rebuilt the Build Pipeline, Hardened Everything, and Broke It Again

May 24, 2026

I Built a Mini Vercel like Clone in Rust in One Day. Here's Every Mistake I Made.

May 17, 2026

Terminal Sharing Over WebRTC: Building Term Bridge with Cloudflare Workers and PTY Multiplexing

May 3, 2026

I Tried Apple's Native Container CLI So You Don't Have To (Yet)

May 2, 2026