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Podman for DevOps

Podman for DevOps

By : Arrichiello, Salinetti
4.8 (13)
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Podman for DevOps

Podman for DevOps

4.8 (13)
By: Arrichiello, Salinetti

Overview of this book

As containers have become the new de facto standard for packaging applications and their dependencies, understanding how to implement, build, and manage them is now an essential skill for developers, system administrators, and SRE/operations teams. Podman and its companion tools Buildah and Skopeo make a great toolset to boost the development, execution, and management of containerized applications. Starting with the basic concepts of containerization and its underlying technology, this book will help you get your first container up and running with Podman. You'll explore the complete toolkit and go over the development of new containers, their lifecycle management, troubleshooting, and security aspects. Together with Podman, the book illustrates Buildah and Skopeo to complete the tools ecosystem and cover the complete workflow for building, releasing, and managing optimized container images. Podman for DevOps provides a comprehensive view of the full-stack container technology and its relationship with the operating system foundations, along with crucial topics such as networking, monitoring, and integration with systemd, docker-compose, and Kubernetes. By the end of this DevOps book, you'll have developed the skills needed to build and package your applications inside containers as well as to deploy, manage, and integrate them with system services.
Table of Contents (19 chapters)
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1
Section 1: From Theory to Practice: Running Containers with Podman
7
Section 2: Building Containers from Scratch with Buildah
12
Section 3: Managing and Integrating Containers Securely

Chapter 7: Integrating with Existing Application Build Processes

After learning how to create custom container images using Podman and Buildah, we can now focus on special use cases that can make our build workflows more efficient and portable. For instance, small images are a very common requirement in an enterprise environment, for performance and security reasons. We will explore how to achieve this goal by breaking down the build process into different stages.

This chapter will also try to uncover scenarios where Buildah is not expected to run directly on a developer machine but is driven instead by a container orchestrator or embedded inside custom applications that are expected to call its libraries or command line interface (CLI).

In this chapter, we're going to cover the following main topics:

  • Multistage container builds
  • Running Buildah inside a container
  • Integrating Buildah with custom builders
CONTINUE READING
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Programming languages
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Podman for DevOps
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