Stop Learning Docker for Dummies. Learn It Like a DevOps Engineer

Most Docker tutorials teach you commands. Not how Docker actually works in real systems. That's why people can run docker run but freeze when asked to debug a broken container in production. This post walks you through them in order. Layer caching. Multi-stage builds. Networking. Volumes. ENTRYPOINT vs CMD. docker inspect . The concepts most DevOps engineers fake their way through until they get burned. Let's go. The problem Docker solved The Docker story began with the problems people had 20-30