35 interview questions on Docker compose for developers (2025)

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35 interview questions on Docker composefor developers (2025)

Test your technical skills before an interview of Docker compose with 35 corrected questions. Beginner, Intermediate or Expert level.

35 interview questions on Docker composefor developers (2025)

Test your technical skills before an interview of Docker compose with 35 corrected questions. Beginner, Intermediate or Expert level.

Find the errors in the `docker-compose.yml` file.

Which file takes precedence if services or options are redefined in several files?

What is the main use of Docker Compose?

Is it possible to specify a maximum number of restart attempts with the `on-failure` policy?

Connect a service to a network in Docker Compose

What is the image of the `web` service using `docker-compose -f docker-compose.dev.yml up`?

How to use volumes in Docker Compose

What is the maximum number of healthcheck failures allowed by default before marking a container as unhealthy?

How to stop and delete all containers and services created with Docker Compose

Build an image from a Dockerfile in a docker-compose.yml file

How to specify the name of a container in a `docker-compose.yml` file?

What is the purpose of the `args` directive in a `docker-compose.yml` file?

What is the effect of the `healthcheck` directive on a service in a `docker-compose.yml` file?

Force a service to be rebuilt without using the cache with Docker Compose

Define the network driver to be used in a `docker-compose.yml` file

Define an environment variable for a service in `docker-compose.yml`

How does the `app` application connect to the `db` database?

Override a service's default command in a `docker-compose.yml` file

Validate a docker-compose configuration without starting the services

What is the purpose of the `target` directive in a docker-compose.yml file?