Interview Q&A / Docker & Kubernetes
Docker & Kubernetes interview questions
Images, containers, Dockerfiles, pods and deployments, from first principles.
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- How do you pass environment variables and secrets into services in Docker Compose?
Use environment: for inline values, env_file: to load a file, and ${VAR} substitution from the shell or a .env file. Keep real secrets out of Git and prefer Compose secrets or an external secret store.
IntermediateQuick answer1 min read