35 interview questions on Docker compose for developers (2026)

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35 interview questions on Docker composefor developers (2026)

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 (2026)

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?

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

What is the main use of Docker Compose?

Connect a service to a network in Docker Compose

How to use volumes in Docker Compose

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

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

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

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?

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

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

List all the services defined in a `docker-compose.yml` file

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?