Day 4: Why Docker Image Layers Matter (And Why Your CI/CD Is Slow)

Jan 22 · 2 min read · This is Day 4 of my 20-Day Docker Challenge, focused on real-world DevOps lessons. If your CI pipeline feels slow, the problem is often not the CI tool. In most real projects, the real culprit is Docker image layers. I’ve seen teams blame Jenkins, Gi...