October 2013 was when I finally got Docker.
While containers had existed before, Docker introduced a developer-friendly interface that made packaging, shipping, and running apps feel seamless.
The key ideas:
- Containers are lightweight, fast, and portable
- Build once, run anywhere wasn’t just marketing—it actually worked
- Dev/prod parity became more achievable
It changed how I thought about build pipelines, staging, and rollback strategies.