Docker and CI/CD · Junior · Question 23 of 75

What is Docker Compose used for?

✓Correct answer: Defining and running a multi-container app from one YAML file
2Merging several Dockerfiles into a single image
3Compressing images to reduce their size in a registry

Explanation

compose.yaml describes services (app, database, cache), their networks and volumes. docker compose up starts the whole stack.

Further reading

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