# Install ktmpl with Homebrew

Parameterized templates for Kubernetes manifests. Version 0.9.1 via Homebrew; verified from local package data.

## Install

```sh
sudo av install brew:ktmpl
```

Additional install commands:

### macOS

- Homebrew (100%):

```sh
brew install ktmpl
```

  Evidence: local Homebrew formula metadata

## Package facts

- **Package key:** brew:ktmpl
- **Package manager:** Homebrew
- **Package manager page:** <https://formulae.brew.sh/formula/ktmpl>
- **Version:** 0.9.1
- **Source summary:** Parameterized templates for Kubernetes manifests
- **Homepage:** <https://github.com/jimmycuadra/ktmpl>
- **Repository:** <https://github.com/jimmycuadra/ktmpl>
- **Upstream docs:** <https://github.com/jimmycuadra/ktmpl#readme>
- **License:** MIT
- **Source archive:** <https://github.com/jimmycuadra/ktmpl/archive/refs/tags/0.9.1.tar.gz>
- **Generated:** 2026-07-08T07:18:31+00:00

## Executables

- ktmpl (cli)
- ktmpl (alias)

## Build dependencies

- rust

## Install behavior

- Post-install hook: not defined
- Bottle: available on arm64_big_sur, arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, big_sur, catalina, monterey, sonoma, ventura

## Freshness

- Page generated: 2026-07-08
- Package-manager version: 0.9.1
- Local data: ok
- Upstream repository: https://github.com/jimmycuadra/ktmpl
- Upstream latest detected: 0.9.1 (current)
- info: No package-manager update timestamp was available.
## Project history and usage

ktmpl is a small Kubernetes manifest templating command-line tool. Its README describes it as a client-side implementation of Kubernetes' Templates + Parameterization proposal, turning YAML templates plus parameter values into manifests that can be piped to kubectl.

### Project history

The GitHub repository was created on 2017-10-20. The project was written and distributed as a Rust CLI, with installation paths documented through Homebrew, Cargo, prebuilt GitHub release binaries, and a Docker image.

ktmpl belongs to an early wave of Kubernetes configuration tools that tried to make raw YAML manifests reusable before the ecosystem consolidated around Helm charts, Kustomize overlays, and GitOps-oriented render/apply workflows.

### Adoption history

Adoption evidence is modest and mostly package-manager oriented. The README's installation section documents Homebrew and Cargo as first-class install paths, and the Homebrew formula kept ktmpl available as a single-purpose manifest renderer.

### How it is used

ktmpl reads a Kubernetes manifest template from a file or stdin, accepts values with command-line parameters or YAML parameter files, can base64-encode secret data, and writes the processed manifest to stdout for use with kubectl.

### Why package nerds care

For package nerds, ktmpl is a useful fossil from Kubernetes' templating experiments: it packages one obsolete upstream design proposal as a small Unix-style filter. Its value is less broad adoption than the way it captures a particular moment in Kubernetes manifest management.

### Timeline

- 2017-10-20: jimmycuadra/ktmpl repository created on GitHub.
- 2017: README documented ktmpl 0.6.0 as a CLI that produced Kubernetes manifests from parameterized templates.
- 2026: Homebrew formula metadata listed ktmpl as a niche Kubernetes templating utility.

### Related projects

- ktmpl is related to kubectl, the obsolete Kubernetes Templates + Parameterization proposal, Helm, Kustomize, and other tools that render or transform Kubernetes manifests before applying them to a cluster.

### Sources

- <https://api.github.com/repos/jimmycuadra/ktmpl>
- <https://formulae.brew.sh/formula/ktmpl>
- <https://github.com/jimmycuadra/ktmpl>
- <https://github.com/kubernetes/community/blob/master/contributors/design-proposals/apps/OBSOLETE_templates.md>
- <https://raw.githubusercontent.com/jimmycuadra/ktmpl/master/README.md>


## Security Notes

infrastructure mutation or orchestration signal.

- **Geiger risk:** orange / medium
- infrastructure mutation or orchestration signal

## Source Database Details

- **Source Database:** Homebrew formula API
- **Tap:** homebrew/core
- **Full Name:** ktmpl
- **Version Scheme:** 0
- **Revision:** 0
- **Head Version:** HEAD
- **Bottle Stable Root URL:** <https://ghcr.io/v2/homebrew/core>
- **Deprecated:** no
- **Disabled:** no
- **Keg Only:** no
- **URL Keys:** head, stable


## Related links

- [Cloud CLI packages](https://www.automicvault.com/pkg/cloud-clis/) - Belongs to a cloud or infrastructure command family.
- [Source-control packages](https://www.automicvault.com/pkg/source-control-tools/) - Belongs to a source-control command family.
- [Secret-risk packages](https://www.automicvault.com/pkg/secret-risk-packages/) - Has protected-tool coverage, approval-gate, or non-low Geiger security signals.
- [Terminal utility packages](https://www.automicvault.com/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [rust](https://www.automicvault.com/pkg/brew/rust/) - Build dependency declared by Homebrew.
- [cdk8s](https://www.automicvault.com/pkg/brew/cdk8s/) - Shares av.db curated category or tags: cli, cloud-infrastructure, kubernetes, manifests.
- [chaoskube](https://www.automicvault.com/pkg/brew/chaoskube/) - Shares av.db curated category or tags: cli, cloud-infrastructure, kubernetes.
- [click](https://www.automicvault.com/pkg/brew/click/) - Shares av.db curated category or tags: cli, cloud-infrastructure, kubernetes.
- [cloud-provider-kind](https://www.automicvault.com/pkg/brew/cloud-provider-kind/) - Shares av.db curated category or tags: cli, cloud-infrastructure, kubernetes.
- [clusterawsadm](https://www.automicvault.com/pkg/brew/clusterawsadm/) - Shares av.db curated category or tags: cli, cloud-infrastructure, kubernetes.
- [clusterctl](https://www.automicvault.com/pkg/brew/clusterctl/) - Shares av.db curated category or tags: cli, cloud-infrastructure, kubernetes.
- [cozyhr](https://www.automicvault.com/pkg/brew/cozyhr/) - Shares av.db curated category or tags: cli, cloud-infrastructure, kubernetes.
- [crossplane](https://www.automicvault.com/pkg/brew/crossplane/) - Shares av.db curated category or tags: cli, cloud-infrastructure, kubernetes.
- [helmfile](https://www.automicvault.com/pkg/brew/helmfile/) - Local package facts share a topical domain. Shared terms: cli, cloud, cloud-infrastructure, configuration, infrastructure.
- [kconf](https://www.automicvault.com/pkg/brew/kconf/) - Local package facts share a topical domain. Shared terms: cli, cloud, cloud-infrastructure, configuration, infrastructure.
- [kubecfg](https://www.automicvault.com/pkg/brew/kubecfg/) - Local package facts share a topical domain. Shared terms: cli, cloud, cloud-infrastructure, configuration, infrastructure.

## Combined YAML source

View the package source record on GitHub. [combined/ktmpl.yml](https://github.com/automic-vault/db/blob/main/combined/ktmpl.yml)


## Sources

- Nucleus package database
- Geiger risk classifier
- package-page enrichment
- curated package history
- package version freshness
- av.db category and tag curation
- package relationship graph
- cross-ecosystem install command graph
