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What is Docker Compose and why is it useful?

Junior Docker
Quick Answer Docker Compose defines and runs multi-container applications using a YAML file. Instead of manually running multiple docker run commands with all their flags, you declare all services, networks, and volumes in one docker-compose.yml and start everything with docker compose up. Great for local dev and simple deployments.

Answer

Compose defines multi-container apps via YAML, managing networks, volumes, dependencies, and startup order.
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