Docker

What is Docker?

Docker makes it easier to build, deploy and run applications by using containers. A container is a standardized unit of software, that allows you to bundle all the constituents an application needs – code, libraries, and configuration files, and deploys them as a single unit. Containers make it easy to deploy applications without the use of the traditional virtual host and Docker is the enabler of this whole process.

What are the characteristics of Docker?

A Docker container is a lightweight, standalone executable package of software. Containers are already a popular concept, mainly among Linux developers, and Docker leveraged and standardized that concept. Docker Engine is the tool used for building and containerizing apps. The tremendous success of Docker on Linux led to the creation of Windows and MacOS versions of the application which are usually branded as Docker Desktop.

The Docker technology uses features of the Linux kernel to segregate processes and run them separately. The objective, when using containers, is to achieve the ability to run multiple apps independently and make better use of the available infrastructure boosting machine performance. Docker, like other container tools, provides an image-based deployment model, making it easier to share an app across multiple environments.

Application containerization allows you to independently operate containers in distributed applications and microservices. The modular characteristic of containers helps you to reduce interdependency and process failures. Each part of the application communicates with the other using designated APIs.

Docker technology is gradually replacing the use of virtual machines. The necessity to lodge a whole operating system makes virtual machines a lot heavier than containers. Containers use the host operating system to boot and run, reducing machine strain while increasing performance and speed. Security is generally strengthened in a containerized application since containers are isolated – reducing the probability of chain events.

What are the benefits of Docker?

The portability of containers makes it easy to optimize apps for the cloud.
Applications containerized with Docker will stay the same no matter which server or machine they are running on.
Docker gives you the ability to separate non-dependent steps of development and run them in parallel, reducing the amount of development time needed.
You can save the time you spend configuring software. One can set configurations into code and deploy a designed version in any environment.
Docker helps you greatly reduce infrastructure resources and costs, while running applications with the customary performance. This results in cost savings and a better return on investment.

When to use Docker

Docker is a basic, structural tool, that you can start incorporating into app development to streamline operations and reduce resources. It is particularly indicated if you want to distribute or collaborate on your app with an external team. If you want to run your code in various machines without losing configurations and features, or if you are going to pass through various development phases, adopting this software is a great way to decrease the invested time and effort.

If you are in a SaaS-based product development business, adoption of Docker should be a priority for you.

Things to note before using Docker

Although the core Docker software is open source, some of the tools available in the market to manage containers are competing and do not work together. You need to check compatibility options between Docker and the other platforms/tools before you go for it.

For the development of consumer-level, complex apps, you will need a great number of containers. These will be harder to manage, but there are some tools available, like Kubernetes, to achieve this.

Docker @ Infogion

To take the full advantage of Docker, you will need to hire a team experts, since Docker deployment is too complex to handle in any any ordinary manner. At Infogion, we make sure that you are served by a top-level Docker and DevOps team.

Docker

What is Docker?

What are the characteristics of Docker?

What are the benefits of Docker?

When to use Docker

Docker @ Infogion

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