Building Docker Containers with Persistent Storage

Short summary

Docker containers are ephemeral by design, losing data when removed unless stored externally. Three options exist: container writable layer (temporary, lost on removal), bind mounts (host-managed, ideal for development), and Docker volumes (Docker-managed, recommended for production). Choose based on use case: temporary data, development editing, or production reliability.

• •Container writable layers are ephemeral—data is lost when containers are removed
• •Bind mounts store data on the host machine and are best for local development
• •Docker volumes are Docker-managed, persistent, and recommended for production databases and applications

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