Book Image

Learning Windows Server Containers

Book Image

Learning Windows Server Containers

Overview of this book

Windows Server Containers are independent, isolated, manageable and portable application environments which are light weight and shippable. Decomposing your application into smaller manageable components or MicroServices helps in building scalable and distributed application environments. Windows Server Containers have a significant impact on application developers, development operations (DevOps) and infrastructure management teams. Applications can be built, shipped and deployed in a fast-paced manner on an easily manageable and updatable environment. Learning Windows Server Containers teaches you to build simple to advanced production grade container based application using Asp.Net Core, Visual Studio, Azure, Docker and PowerShell technologies. The book teaches you to build and deploy simple web applications as Windows and Hyper-V containers on Windows 10 and Windows Server 2016 on Azure. You will learn to build on top of Windows Container Base OS Images, integrate with existing images from Docker Hub, create custom images and publish to Hub. You will also learn to work with storage containers built using Volumes and SQL Server as container, create and configure custom networks, integrate with Redis Cache containers, configure continuous integration and deployment pipelines using VSTS and Git Repository. Further you can also learn to manage resources for a container, setting up monitoring and diagnostics, deploy composite container environments using Docker Compose on Windows and manage container clusters using Docker Swarm. The last chapter of the book focuses on building applications using Microsoft’s new and thinnest server platform – Nano Servers.
Table of Contents (19 chapters)
Credits
Foreword
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface

Configuring remote Docker host


In the previous chapters, we ran Docker commands by logging into the machine and by using docker daemon running on the local host. Docker daemon can also be configured to listen for remote clients. The client can be running on Windows or Linux machines. In a Windows environment , the Docker daemon process or runtime named dockerd.exe is installed by default at C:\Program Files\docker\dockerd.exe. Docker daemon can listen over TCP using secure and unsecured connections. The default port used by Docker daemon to listen over TCP is 2375.

Running the following command on a remote PowerShell session connected to Azure VM will configure Docker daemon to listen on port 2375:

dockerd.exe -H 0.0.0.0:2375 

docker.pid

The docker.pid file stores the Windows process ID of the Docker daemon. When you try to host Docker daemon on port 2375 you might see an error as shown in the following screenshot:

As the error explains, docker.pid already exists which means dockerd.exe is already...