What IS Docker

Author: app-generator

docs/content/what-is/docker.mdx

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+---
+title            : What IS Docker 
+sidebar_label    : What IS Docker
+---
+
+# What IS Docker
+
+<SubHeading>Short introduction to Docker, a leading virtualization software</SubHeading>
+
+**[Docker](https://www.docker.com/)** is an open-source platform and set of tools designed to simplify the development, deployment, and management of applications through containerization. 
+
+Containerization is a lightweight form of virtualization that allows you to package an application and its dependencies into a single, portable unit called a "container."
+
+**Docker** containers are highly efficient and provide consistent environments across different systems, making it easier to develop, test, and deploy applications in various environments.
+
+![What IS Docker - Tutorial provided by AppSeed](https://github-production-user-asset-6210df.s3.amazonaws.com/51070104/268558520-a87dbf5e-83a8-4daf-9b10-8417b58c60e1.png) 
+
+> Here are some **key concepts and features associated with Docker**:
+
+## **Containers** 
+
+Containers are lightweight, isolated environments that package an application and all its dependencies, including libraries and runtime, into a single executable unit. 
+
+Containers are consistent and can run consistently across different environments.
+
+## **Docker Engine** 
+
+Docker Engine is the core component of Docker. It includes the Docker daemon, which manages containers, and the Docker CLI (Command-Line Interface) for interacting with Docker.
+
+## **Docker Images** 
+
+A Docker image is a read-only template that contains everything needed to run an application, including code, runtime, system tools, and libraries. Images serve as the basis for creating containers.
+
+## **Dockerfile** 
+
+A Dockerfile is a script used to create a Docker image. It defines the instructions for building an image, such as specifying the base image, adding files, running commands, and configuring the environment.
+
+## **Docker Hub** 
+
+Docker Hub is a cloud-based registry service that hosts a vast collection of Docker images that can be easily pulled and used by developers. It's a central repository for sharing and distributing Docker images.
+
+## **Container Orchestration** 
+
+Docker can be integrated with container orchestration platforms like Kubernetes and Docker Swarm. These platforms provide tools for managing and scaling containers across clusters of machines.
+
+## **Portability** 
+
+Docker containers can run on any system that supports Docker, whether it's a developer's laptop, a test server, or a production environment. This portability ensures that applications work consistently across different stages of development and deployment.
+
+## **Version Control** 
+
+Docker images and Dockerfiles can be versioned and managed using version control systems like Git. This enables the tracking of changes and rollbacks to previous configurations.
+
+## **Isolation** 
+
+Containers provide a level of isolation that helps prevent conflicts between applications and ensures that dependencies are self-contained within the container.
+
+## **Microservices** 
+
+Docker is commonly used in microservices architecture, where applications are broken down into smaller, independently deployable services. Each service runs in its own container, allowing for scalability and flexibility.
+
+## **Security** 
+
+Docker provides security features such as isolation, resource constraints, and access controls to protect the host system and the containers themselves.
+
+## **Development Workflow** 
+
+Docker simplifies the development workflow by allowing developers to work in consistent environments, reducing "it works on my machine" issues.
+
+## **Continuous Integration/Continuous Deployment (CI/CD)** 
+
+Docker is often used in CI/CD pipelines to build, test, and deploy applications consistently and automatically.
+
+## ✅ In Summary
+
+Docker has become a fundamental tool in modern software development and deployment. 
+It is widely adopted in various industries and is used for building and managing applications ranging from small web services to large-scale, distributed systems. 
+
+Docker's popularity is driven by its ability to streamline the development process, enhance portability, and improve resource utilization, making it easier for teams to create and manage complex applications.
+
+## ✅ Docker Templates
+
+This section contains a few open-source starters that include production-ready Docker setups:
+
+### 👉 [Django Bootstrap 5 Volt](https://appseed.us/product/volt-dashboard/django/)
+
+Free starter built on top of **Bootstrap 5 and Django** with Database, DB Tools, OAuth via Github and Docker Support.
+
+![Django Bootstrap 5 Volt - Open-source Starter with Docker Support.](https://user-images.githubusercontent.com/51070104/269347618-1f21456d-b0b5-4d4b-9ee5-99ccb6c22188.jpg)
+
+### 👉 [Django Modernize](https://appseed.us/product/modernize-dashboard/django/)
+
+Open-Source Seed Project crafted on top of Modernize **Bootstrap 5 and Django**.
+
+The product comes with session-based authentication, DB tools, and Docker support.
+
+![Django Modernize - Open-source Starter with Docker Support.](https://github-production-user-asset-6210df.s3.amazonaws.com/51070104/270395275-0f223ca7-be26-472d-8af1-6c5e643f4ed6.jpg)
+
+## ✅ Resources
+
+- 👉 Access [AppSeed](https://appseed.us/) and start your next project
+- 👉 [Deploy Projects on Aws, Azure and Digital Ocean](https://www.docs.deploypro.dev/) via **DeployPRO**
+- 👉 Create an amazing landing page with [Simpllo, an open-source site builder](https://www.simpllo.com/)
+- 👉 [Django App Generator](https://app-generator.dev/django/) - A 2nd generation App Builder