Your Docker Image Is 1.2 GB. Here's How to Get It Under 100 MB
Slim bases, multi-stage builds, a .dockerignore and a few layer habits, plus a small tested checker that spots what's bloating your Dockerfile.
#python
Posts tagged #python
Build a Private Document Organizer in Python: Offline OCR and a Rules File
Rename and file scanned bills, statements and ID cards with Tesseract, a TOML rules file, a dry run and undo. Nothing leaves your machine.
Why Your Cron Job Fires at the Wrong Time: IST, UTC and the Midnight Day Shift
Your 9 PM IST job ran at 2:30 AM? A practical guide to cron, UTC servers and the day-shift bug, with a tested Python helper.
Building a /deploy Slack Bot in Python (and the Gotchas the Docs Skip)
Build a Python Slack bot for deploy approvals, covering slash commands, interactive buttons, concurrency, and production-ready safeguards.
Redis Caching Patterns: Cache-Aside, Write-Through and the Stampede Problem
How common Redis caching patterns work, where they fail, and how to prevent cache stampedes, with runnable Python examples and reproducible simulations.
Big-O Without the Fear: Why Some Code Scales and Some Doesn't
Learn what Big-O really means, how to estimate it by reading code, and why it explains vector search indexes, expensive long prompts, and the hidden cost of chat history.
