Interview Q&A / Docker & Kubernetes
Docker & Kubernetes interview questions
Images, containers, Dockerfiles, pods and deployments, from first principles.
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- Does EXPOSE in a Dockerfile make a port reachable from outside?
No. EXPOSE is only documentation of the port the app listens on. To make it reachable from the host you must publish it with -p, or -P to publish all exposed ports to random host ports.
BeginnerQuick answer1 min read