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Google Cloud Certified Cloud Digital Leader Cloud Digital Leader · Domain 4: Modernize infrastructure and applications with Google Cloud

Containers: what they are and why they make applications portable

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Last reviewed September 25, 2026 · Leer en español

A container is a lightweight, standalone package that includes an application's code together with everything it needs to run: the runtime, libraries, system tools and settings. Containers solve a long-standing problem in software, summed up as 'it works on my machine'. Because the container carries its dependencies, the application behaves the same on a developer's laptop, in a test environment, in a data center or in any cloud.

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