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

Infrastructure as Code (IaC) enables provisioning and managing cloud infrastructure using declarative configuration files (e.g. Terraform, CloudFormation).

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Oct 25, 2026

Quiz: Which PyYAML loading function is considered the secure DevOps industry standard to prevent arbitrary code execution vulnerabilities?

yaml.safe_load() restricts parsing to standard scalar types and collections, preventing remote arbitrary object instantiation attacks.

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Aug 08, 2026

Quiz: What command builds a Docker image from a Dockerfile?

docker build -t myimage . reads the Dockerfile in the current directory and builds a new image tagged as myimage .

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Aug 08, 2026

Quiz: In Kubernetes, what object ensures a specified number of Pod replicas are running?

A ReplicaSet maintains a stable set of replica Pods. Deployments manage ReplicaSets and are typically used instead.

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Aug 08, 2026

Quiz: What does CI/CD stand for?

CI/CD — Continuous Integration merges code frequently with automated tests; Continuous Delivery automates the release pipeline.

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Aug 08, 2026

Quiz: Which file format does Docker Compose use for service definitions?

Docker Compose uses YAML (specifically docker-compose.yml or compose.yaml ) to define multi-container applications.

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