Programming-related questions related to Docker asked in interview for a DevOps or software engineering role

Here are some programming-related questions related to Docker that could be asked during an interview for a DevOps or software engineering role:

1. How can you interact with Docker programmatically?: Discuss the various programming interfaces and SDKs available to interact with Docker programmatically, such as Docker SDK for Python, Docker Engine API, or Docker SDK for Go.

2. Can you explain Dockerfile?: Ask the candidate to describe what a Dockerfile is and how it is used to build Docker images. Inquire about the different instructions available in a Dockerfile and their purpose.

3. How can you automate the creation of Docker images?: Discuss techniques for automating the creation of Docker images, such as using build automation tools like Jenkins or incorporating Docker image builds into a CI/CD pipeline.

4. How can you build a Docker image from a Dockerfile programmatically?: Ask the candidate to explain how they can programmatically build a Docker image using a Dockerfile, leveraging tools like Docker SDKs or command-line interfaces.

5. How can you manage container lifecycle programmatically?: Inquire about methods to programmatically start, stop, and manage Docker containers, such as using Docker SDKs or Docker Engine API.

6. Can you explain how Docker Compose can be used programmatically?: Discuss how Docker Compose files can be used programmatically to define and manage multi-container applications. Ask about techniques for programmatically interacting with Docker Compose, such as using Python libraries or command-line tools.

7. How can you perform Docker image tagging and pushing programmatically?: Ask the candidate to describe how they would programmatically tag a Docker image and push it to a Docker registry, utilizing Docker SDKs or command-line tools.

8. How can you programmatically manage Docker networks and volumes?: Inquire about techniques for programmatically creating and managing Docker networks and volumes using Docker SDKs or Docker Engine API.

9. How can you programmatically monitor Docker containers and collect container metrics?: Discuss approaches to programmatically monitoring Docker containers, collecting metrics, and integrating with monitoring tools like Prometheus or Grafana.

10. How can you dynamically configure Docker containers programmatically?: Ask the candidate to explain how they would programmatically configure environment variables or runtime configurations for Docker containers, such as using Docker SDKs or scripting languages.

These programming-related questions assess a candidate's understanding of Docker beyond the basic concepts and focus on their ability to interact with Docker programmatically, automate Docker-related tasks, and integrate Docker into larger software systems.