How I Cut Docker Image Build Time from 16 Minutes to 1 Minute – 10× Faster Builds
This article walks through a step‑by‑step analysis of a slow Docker image build for a Python app, identifies the costly layers, and applies multi‑stage builds, cache‑busting techniques, and Dockerfile best‑practice rules to shrink the build time from about 16 minutes to one minute and reduce the image size by roughly half.
