ð Day 9 of My Cloud Journey: Mastering Docker Volumes, Compose & Registry
When I started learning Docker, running containers felt exciting. But very quickly, I ran into a practical question: ð What happens to my data when a container stops or gets deleted? Thatâs when I...

Source: DEV Community
When I started learning Docker, running containers felt exciting. But very quickly, I ran into a practical question: ð What happens to my data when a container stops or gets deleted? Thatâs when I realized â containers are ephemeral by design, and real-world applications need persistent storage, multi-service orchestration, and efficient image management. So today, I explored three critical Docker concepts: Volumes, Docker Compose, and Docker Registry ðģ ð§Đ Why This Matters In modern cloud applications, we rarely run a single container. Instead, we deal with: Databases that must retain data Backend and frontend services running together Applications deployed across environments Handling all this manually is not scalable. Docker provides powerful solutions to simplify these challenges. ðĶ 1. Understanding Docker Volumes (Persistent Storage) Containers are temporary, but data should not be. Docker Volumes solve this problem by storing data outside the container lifecycle. ðđ What I Lear