# Containers ### **What** * Lightweight, portable, and isolated environments for applications. * Package applications and their dependencies for consistent deployment. * Encapsulate software code, runtime, system tools, libraries, and settings. ### **Why** * Ensure applications run the same across different environments. * Share the host OS kernel, making them more efficient than traditional virtual machines. * Supports microservices architectures. * Simplifies application deployment. * Improves scalability. * Enhances DevOps practices by streamlining the development-to-production pipeline. * Enables more efficient resource utilization. ### **Popular Platforms** * **Docker**: Tools for creating, distributing, and running containers. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://notes.mikaelsamvelian.com/devops-knowledge/containers.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.