# 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
- **Version:** 0.9.1
- **Source summary:** Parameterized templates for Kubernetes manifests
- **Homepage:** <https://github.com/jimmycuadra/ktmpl>
- **Repository:** <https://github.com/jimmycuadra/ktmpl>
- **Generated:** 2026-08-03T19:37:03+00:00

## Executables

- ktmpl (alias)

## Install behavior

- Bottle: not available

## Freshness

- Page generated: 2026-08-03
- Package-manager version: 0.9.1
## 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


## Combined YAML source

View the package source record on GitHub. [combined/ktmpl.yml](https://github.com/mxcl/pkgdb/blob/main/combined/ktmpl.yml)


## Sources

- pkg.so package database
- Geiger risk classifier
- curated package history
- pkgdb category and tag curation
- cross-ecosystem install command graph