Book Image

Docker on Windows - Second Edition

By : Elton Stoneman
Book Image

Docker on Windows - Second Edition

By: Elton Stoneman

Overview of this book

Docker on Windows, Second Edition teaches you all you need to know about Docker on Windows, from the 101 to running highly-available workloads in production. You’ll be guided through a Docker journey, starting with the key concepts and simple examples of .NET Framework and .NET Core apps in Docker containers on Windows. Then you’ll learn how to use Docker to modernize the architecture and development of traditional ASP.NET and SQL Server apps. The examples show you how to break up legacy monolithic applications into distributed apps and deploy them to a clustered environment in the cloud, using the exact same artifacts you use to run them locally. You’ll see how to build a CI/CD pipeline which uses Docker to compile, package, test and deploy your applications. To help you move confidently to production, you’ll learn about Docker security, and the management and support options. The book finishes with guidance on getting started with Docker in your own projects. You’ll walk through some real-world case studies for Docker implementations, from small-scale on-premises apps to very large-scale apps running on Azure.

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Table of Contents (18 chapters)
Preface
Preface
Who this book is for
What this book covers
To get the most out of this book
Get in touch
Free Chapter
1
Section 1: Understanding Docker and Windows Containers
Section 1: Understanding Docker and Windows Containers
2
Getting Started with Docker on Windows
Getting Started with Docker on Windows
Technical requirements
Docker and Windows containers
Understanding the key Docker concepts
Running Docker on Windows
Learning about Docker with this book
Summary
3
Packaging and Running Applications as Docker Containers
Packaging and Running Applications as Docker Containers
Technical requirements
Running a container from an image
Building a Docker image
Packaging your own applications
Working with data in Docker images and containers
Packaging a traditional ASP.NET web app as a Docker image
Summary
4
Developing Dockerized .NET Framework and .NET Core Applications
Developing Dockerized .NET Framework and .NET Core Applications
Building good citizens for Docker
Separating dependencies
Breaking up monolithic applications
Summary
5
Sharing Images with Docker Registries
Sharing Images with Docker Registries
Understanding registries and repositories
Running a local image registry
Pushing and pulling images with a local registry
Using a commercial registry
Summary
6
Section 2: Designing and Building Containerized Solutions
Section 2: Designing and Building Containerized Solutions
7
Adopting Container-First Solution Design
Adopting Container-First Solution Design
Technical requirements
Design goals for NerdDinner
Running a message queue in Docker
Starting a multi-container solution
Modernizing legacy applications
Adding new features in containers
From monolith to distributed solution
Summary
8
Organizing Distributed Solutions with Docker Compose
Organizing Distributed Solutions with Docker Compose
Technical requirements
Defining applications with Docker Compose
Managing applications with Docker Compose
Configuring application environments
Summary
9
Orchestrating Distributed Solutions with Docker Swarm
Orchestrating Distributed Solutions with Docker Swarm
Technical requirements
Creating a swarm and managing nodes
Creating and managing services in swarm mode
Managing application configuration in Docker Swarm
Deploying stacks to Docker Swarm
Deploying updates with zero downtime
Summary
10
Section 3: Preparing for Docker in Production
Section 3: Preparing for Docker in Production
11
Administering and Monitoring Dockerized Solutions
Administering and Monitoring Dockerized Solutions
Technical requirements
Managing containers with Windows tools
Managing containers with Docker tools
CaaS with Docker Enterprise
Summary
12
Understanding the Security Risks and Benefits of Docker
Understanding the Security Risks and Benefits of Docker
Understanding container security
Securing applications with secure Docker images
Securing the software supply chain with DTR
Understanding security in swarm mode
Summary
13
Powering a Continuous Deployment Pipeline with Docker
Powering a Continuous Deployment Pipeline with Docker
Technical requirements
Designing CI/CD with Docker
Running shared development services in Docker
Configuring CI/CD using Jenkins in Docker
Deploying to a remote Docker Swarm using Jenkins
Summary
14
Section 4: Getting Started on Your Container Journey
Section 4: Getting Started on Your Container Journey
15
Debugging and Instrumenting Application Containers
Debugging and Instrumenting Application Containers
Technical requirements
Working with Docker in integrated development environments
Instrumentation in Dockerized applications
The bug fixing workflow in Docker
Summary
16
Containerize What You Know - Guidance for Implementing Docker
Containerize What You Know - Guidance for Implementing Docker
Dockerizing what you know
Case studies for implementing Docker
Summary
17
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Understanding the Security Risks and Benefits of Docker

Docker is a new type of application platform, and it has been built with a strong focus on security. You can package an existing application as a Docker image, run it in a Docker container, and get significant security benefits without changing any code.

A .NET 2.0 WebForms app currently running on Windows Server 2003 will happily run under .NET 4.7 in a Windows container based on Windows Server Core 2019 with no code changes: an immediate upgrade that applies 16 years of security patches! There are still huge numbers of Windows applications running on Server 2003 which is out of support, or Server 2008 which will shortly be out of support. Moving to Docker is a great way to bring those apps onto a modern technology stack.

Security in Docker encompasses a wide range of topics, which I will cover in this chapter. I'll...

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