Virtualization | Docker | Kubernetes | Microservices | Cloud-Native
Containers are one of the most revolutionary technologies in the field of software development and deployment. They make it possible to package applications and their dependencies in isolated environments and run them uniformly on different platforms. Compared to traditional virtualization technologies, containers offer a much more efficient use of resources as they share operating system resources instead of emulating an entire operating system each time. A container contains not only the application code, but also all libraries, dependencies and configuration files required to run the application. This ensures that the application works consistently regardless of the environment in which it is run – be it on a developer PC, in a test environment or in a production cloud. The leading platform for containerization is Docker, which has popularized the idea of container technology. Docker provides developers with tools to containerize, deploy and run applications. By using Docker containers, companies can optimize their DevOps processes and significantly accelerate the deployment of applications. The architecture of containers is designed for efficiency, as they can run multiple containers on a single host, with each container acting as a standalone unit. In larger environments, especially when managing thousands of containers, an orchestration platform like Kubernetes comes into play. Kubernetes automates the deployment, scaling and management of container applications and allows them to be distributed across multiple servers or cloud infrastructures. This not only improves scalability, but also the reliability of applications. Many companies use Kubernetes to run their cloud-native applications, which have been specially developed for containerized environments. A major advantage of containers is their ability to support microservices architectures. Microservices split monolithic applications into smaller, independent services, each of which can run in a container. This architecture facilitates the continuous deployment and improvement of software, as individual parts of the application can be updated or scaled independently without affecting the entire application code. In addition, containers enable a high degree of portability. As they function independently of the underlying infrastructure, they can be moved seamlessly between different platforms such as local data centers, public clouds or hybrid cloud environments. This facilitates the implementation of multi-cloud strategies and allows companies to benefit from the best features and pricing of different cloud providers. In summary, containers offer numerous advantages, including better resource utilization, greater flexibility and improved scalability. In modern DevOps environments, they play a key role in automating deployment processes and improving collaboration between development and operations.
They also enable developers to create faster iterations of applications that are more stable and better suited to cloud environments.
The experts at BITS have used containers and related technologies in a large number of projects. A selection of case studies and references can be found below.