Version
A version is a distinct, identifiable state or revision of an artifact, system, or product.
Go in Action, Second Edition
A version number is an identifier representing a particular software release or state, often communicating its compatibility or maturity.
- How it is used
- Identifies Go module releases and communicates compatibility expectations to their consumers.
- How deep it goes
- Defines semantic version increments and demonstrates module-prefixed Git tags and dependency selection, without detailing automated release tooling.
- Examples
- Uses domain/v0.0.1, storage/v0.0.1, and separately advancing API and worker tags.
- What you can do after
- Operate/configure independent Go module releases with Git tags and go.mod dependency versions.
Kubernetes in Action, Second Edition
An API version identifies a versioned Kubernetes API schema for a resource kind, including its available fields and default values.
- How it is used
- Identifies the schema Kubernetes uses to read, validate, expose, and describe a resource kind.
- How deep it goes
- Explains schema differences, default values, API groups, resource representations, and kubectl inspection, but not version conversion internals.
- Examples
- Uses v1 Node and Pod manifests, apps/v1 Deployments, and historical extensions/v1beta1 Deployment access.
- What you can do after
- Apply it via kubectl by selecting compatible apiVersion values and inspecting schemas with kubectl explain.
Read how Kubernetes in Action, Second Edition explains version →
Amazon Web Services in Action, Third Edition: An in-depth guide to AWS
An object version is a distinct stored revision of an object identified by the same object key.
- How it is used
- Supports S3 backup and archiving by retaining earlier object revisions.
- How deep it goes
- Defines overwrite behavior, demonstrates preservation and retrieval, and notes storage-cost growth without covering lifecycle management.
- Examples
- Uses repeated uploads of data 1 and data 2 under object key A, followed by listing and downloading versions.
- What you can do after
- Apply versioning via AWS CLI, list revisions, and restore earlier object data.
Read how Amazon Web Services in Action, Third Edition: An in-depth guide to AWS explains version →
Learn PowerShell Scripting in a Month of Lunches, Second Edition: Write and organize scripts and tools
A script version is a release identifier recorded in a script's metadata to distinguish one published revision from another.
- How it is used
- Tracks published module and script revisions during PowerShell packaging, distribution, and maintenance.
- How deep it goes
- Explains where to record versions, when to increment them, and how to hide prior releases, without detailing a complete release policy.
- Examples
- Uses 1.0.0, manifest ModuleVersion, script file-info headers, republishing, and hiding versions from gallery search results.
- What you can do after
- Operate publishing workflows by updating metadata, republishing revisions, retrieving releases, and hiding obsolete versions.
Effective Platform Engineering
An API version is an identifier that distinguishes a particular compatibility and behavior contract for an API.
- How it is used
- Manages Kubernetes API compatibility across promotions, upgrades, deprecations, and removals.
- How deep it goes
- Explains deprecation timing, compatibility windows, cluster scanning, and team notification, but not versioning implementation internals.
- Examples
- Uses admission registration and deployment manifests, plus an upgrade watcher that creates Jira issues for affected teams.
- What you can do after
- Diagnose outdated API usage and coordinate migrations before a Kubernetes release removes compatibility.
Related concepts
- version pinningconfigured by · Version pinning fixes a software dependency, tool, or other component to a specified version or immutable identifier rather than allowing its version to change automatically.
- calculation phaseproduced by · The calculation phase is the phase of a mutation that computes the next version of system data without advancing the current state.
- Azure CLIused by · Azure CLI is Microsoft’s cross-platform command-line interface for creating, configuring, and managing Azure resources and services.
- requirements.txtconfigured by · requirements.txt is a conventional text file that specifies Python project dependencies and may include version constraints or package sources.
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