Image-building tool

Q: How deeply does Infrastructure as Code, Patterns and Practices: With examples in Python and Terraform cover image-building tool?

Defines the workflow and trade-offs but defers detailed image-building implementation.

As explained in Infrastructure as Code, Patterns and Practices: With examples in Python and Terraform

A software tool that constructs machine images with specified software and configuration preinstalled.

An image-building tool constructs machine images for application runtimes such as containers or servers, with a specified environment and preinstalled configuration. section 1.5.4

A practical server workflow configures and tests the desired system, captures it as a versioned image, then provisions production servers from that image. This preserves runtime configuration while reducing repeated setup. section 1.5.4

Use image-building tools when:

A recurring package or process, such as the Cloud SQL Auth proxy, should be built into every application image. section 11.3.1
A configuration manager or startup script would otherwise repeat installation work across servers. section 11.3.1

Table 1.2 Examples of image builders and providers (view table figure)

Tool	Runtime environment	Build target
HashiCorp Packer	Containers and servers	Various (for a complete list, see www.packer.io/docs/builders)
Docker	Containers	Container registries
EC2 Image Builder	Servers	Amazon Web Services
Azure VM Image Builder	Servers	Microsoft Azure

Examples span tools for containers and servers, including Packer, Docker, EC2 Image Builder, and Azure VM Image Builder. section 1.5.4

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Related concepts

machine imageproduces · A machine image is a packaged template containing an operating system, software, and configuration used to create or launch computing instances.
Cloud SQL Auth proxyconfigures · Cloud SQL Auth Proxy is software that provides authenticated connections from applications to Google Cloud SQL database instances without requiring direct database network access.
immutable infrastructureimplements · Immutable infrastructure is an infrastructure-management approach in which deployed resources are replaced with newly configured resources rather than modified in place.
JavaScript runtimeconfigures · A JavaScript runtime is an execution environment that runs JavaScript code and provides the language engine and host APIs needed to interact with its platform.

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