Teach Cloud - Cloud, DevOps, and Python Backend Development Blog

❓ Quiz Question

Aug 12, 2026

Quiz: What is the primary difference between Docker Volumes and Bind Mounts?

Docker Volumes are isolated and managed within Docker's storage area ( /var/lib/docker/volumes/ ), while Bind Mounts mount explicit host directories directly.

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❓ Quiz Question

Aug 30, 2026

Quiz: What is Infrastructure State Drift in IaC tools like Terraform?

Infrastructure Drift occurs when infrastructure configuration changes out-of-band, requiring terraform plan to detect and reconcile.

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❓ Quiz Question

Aug 30, 2026

Quiz: What is the Application Factory Pattern in Flask?

The Application Factory Pattern facilitates testing and modular configuration by instantiating `Flask(__name__)` dynamically.

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❓ Quiz Question

Aug 30, 2026

Quiz: What is the purpose of Flask `g` object?

Flask's g object holds data (like authenticated user or DB connection) unique to the current active request thread.

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❓ Quiz Question

Aug 30, 2026

Quiz: What is FastAPI Dependency Injection system (`Depends()`) used for?

Depends() allows declaring modular, reusable dependencies (e.g., authentication, DB sessions) injected seamlessly into routes.

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❓ Quiz Question

Aug 30, 2026

Quiz: In a Dockerfile, how does `CMD` differ from `ENTRYPOINT`?

ENTRYPOINT specifies the container executable, while CMD provides default arguments that can easily be overridden.

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❓ Quiz Question

Aug 30, 2026

Quiz: What is the purpose of a `.dockerignore` file?

A .dockerignore file speeds up build context transfer and prevents sensitive local files from leaking into image layers.

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❓ Quiz Question

Aug 30, 2026

Quiz: In `docker-compose.yml`, what does the `depends_on` option control?

depends_on dictates container launch order, ensuring database containers start before dependent API containers.

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