Tag: Containers

Alternatives to Azure Kubernetes (AKS): Azure Container Instances

November 6, 2020

You may want to use containers for your deployments to Azure, but you may not want all the complexities of either standing up your own Kubernetes cluster on premises or Azure Kubernetes Service (AKS). For example, you may want to run a container for a short time.

Azure Container Instance have fast startup times, can be accessed using an IP address or a fully qualified domain name (FQDN). You can customize the size, use either Linux or Windows containers. You can schedule Linux containers to use NVIDIA Tesla GPU resources (preview).

Let’s learn more about Azure Container Instances.

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Understand microservices, containers, Kubernetes

November 2, 2020

In this post, learn how microservices, containers, and Kubernetes are all related. One is an architecture, one is a deployment mechanism, and one orchestrates how those deployments will function in production.

A microservice is a program that runs on a server or a virtual computer and responds to some request. Microservices give you a way to build applications that are resilient, highly scalable, independently deployable, and able to evolve quickly.

Microservices have a more narrow scope and focus on doing smaller tasks well.

A container is just a process spawned from an executable file, running on a Linux machine, which has some restrictions applied to it.

Kubernetes (aka, K8s) help you increase your infrastructure utilization through the efficient sharing of computing resources across multiple processes. Kubernetes is the master of dynamically allocating computing resources to fill the demand. The side benefits of K8s that make the transition to microservices much easier.

Let’s see how that works.

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Getting Started with Containers for ASP.NET Developers on Windows

November 25, 2017

worksonmymachineContainers give you a way to run you application in a controlled environment, isolated from other applications running on the machine and from the underlying infrastructure.

It means that when you go to deploy, all the dependencies are published together. So you can finally say, “It worked on my machine” and mean it. All the dependencies with the same versions in your container will be there when you deploy to the cloud.

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Container Ecosystem on Windows, Linux – When to Choose

November 25, 2017

Everything the application depends on to run successfully can lives inside a container. Containers are an isolated, resource controlled, and portable runtime environment which runs on a host machine or virtual machine. An application or process which runs in a container is packaged with all the required dependencies and configuration files.

Containers grew up in Linux. In Windows Server 2016, containers can run on Windows and run Windows on the inside.

The idea is that you can run containers in the cloud, in the customer data center, or in container services and manage them consistently.

DockerAndAzureEcosystem_thumb

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Container Orchestration with Docker Swarm, Marathon, Kubernetes

October 31, 2017

You need orchestration when transitioning from deploying containers individually on a single host to deploying complex multi-container apps on many machines.

The following describes some of the most popular:

  • Docker Swarm
  • Mesos DC/OS
  • Kubernetes

The purpose of this post is to define the terms and to surface the main features. The goal of the post is not to compare, but to provide definitions of the container technologies.

In general, these container solutions run and support Linux containers.

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Docker Container Concepts, Architecture, Overview

October 29, 2017

Containers are key to the modern datacenter.

Docker is an open platform for developing, shipping, and running applications in containers.
This post describes the conceptual parts that you will use in setting up Docker. Here are the primary parts:

  • Docker Image is a read-only template for creating a Docker container. You can create your own Dockerfile to define the steps to create an image.
  • Docker Container is a runnable instance of an image. You can create, start, stop, move, or delete a container using the Docker API or CLI.
  • You talk to the Container through the Docker Engine that provides the Docker client which talks to the Docker daemon. The Docker daemon listens for Docker API requests and manages Docker objects such as images, containers, networks, and volumes.
  • Docker Registries stores Docker images. You pull Docker images from the registries. There are public registries and private registries. One private registry is Azure Container Registry provides a private registry for your containers.
  • Task of automating and managing a large number of containers and how they interact is known as orchestration.

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The Value Proposition of Containers

October 26, 2017

Containers are key to the modern datacenter.

There’a a lot of buzz around containers. At its core, containers provides a way for you to deploy your app with all of its depenencies. Your container run on premises the same way it will in the cloud.

For the application in its container, it has no knowledge of any other applications or processes that exist outside of its box. Everything the application depends on to run successfully also lives inside this container. Wherever the box may move, the application will always be satisfied because it is bundled up with everything it needs to run.

For developers, it means that you no longer have to say, “Well it ran on my machine.” And it means that when you have larger apps, you can deploy in smaller chunks of code, where the dependencies do not need to cascade between teams. For IT Pros, it means that you can more effectively use those virtual machines. Instead of having one virtual machine for each app, you use the same VM for multiple apps. And when the VM is being used, you can quickly scale based on user demand.

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