# Install container-canary with Homebrew, dnf Test and validate container requirements against versioned manifests. Version 0.5.0 via Homebrew; verified 2026-05-11. ## Install ```sh sudo av install brew:container-canary ``` Additional install commands: ### macOS - Homebrew (100%): ```sh brew install container-canary ``` Evidence: local Homebrew formula metadata ### Linux - dnf (92%): ```sh sudo dnf install dummy-package-canary ``` Evidence: Fedora Rawhide package metadata: dummy-package-canary from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst ## Package facts - **Package key:** brew:container-canary - **Package manager:** Homebrew - **Package manager page:** - **Version:** 0.5.0 - **Source summary:** Test and validate container requirements against versioned manifests - **Homepage:** - **Repository:** - **Upstream docs:** - **License:** Apache-2.0 - **Source archive:** - **Last updated:** 2026-05-11T17:43:30-04:00 - **Generated:** 2026-07-08T07:18:31+00:00 ## Executables - canary (cli) - canary (alias) ## Build dependencies - go ## Install behavior - Post-install hook: not defined - Bottle: available on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux ## Freshness - Page generated: 2026-07-08 - Package-manager version: 0.5.0 - Package-manager updated: 2026-05-11 - Local data: ok - Upstream repository: https://github.com/NVIDIA/container-canary - Upstream latest detected: v0.5.0 (current) ## Project history and usage Container Canary is an NVIDIA container validation CLI for checking image requirements against versioned manifests. Its history is tied to CI-oriented validation of bring-your-own-container platforms rather than to a broad runtime or orchestration layer. ### Project history The project presents itself as a tool for recording platform requirements as a manifest and validating container images against that manifest. Official releases began with v0.1.0 in March 2022, with later 0.x releases continuing through 2025. ### Adoption history Official documentation illustrates the tool with a Kubeflow Notebooks-style requirements manifest, but it does not publish a broad adopter list. The safest reading is that Container Canary serves teams that need repeatable image conformance checks for managed compute or notebook platforms. ### How it is used Users run the `canary` command against a YAML validator file and a target container image. The checks borrow concepts from Kubernetes probes, including exec, HTTP, and TCP socket tests, so it fits naturally into CI pipelines already using container and Kubernetes vocabulary. ### Why package nerds care For package managers, Container Canary is a small Go CLI whose value is in making container-image policy testable and versioned. It is useful when a package ecosystem needs to validate that images contain expected users, ports, services, or files before publishing or deploying them. ### Timeline - 2022: v0.1.0 release published. - 2024: v0.3.0 and v0.4.0 releases published. - 2025: v0.5.0 release published. ### Related projects - The README connects Container Canary concepts to Kubernetes probes and uses Kubeflow Notebooks requirements as its main worked example. ### Sources - - - ## 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:** container-canary - **Version Scheme:** 0 - **Revision:** 0 - **Head Version:** HEAD - **Bottle Stable Root URL:** - **Deprecated:** no - **Disabled:** no - **Keg Only:** no - **URL Keys:** head, stable ## Other Package-Manager Records - dnf - dummy-package-canary - 2-25.fc44: installed executable or alias match | Fedora Rawhide package metadata: dummy-package-canary from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst | Dummy package to exercise the packaging stack ## 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. - [go](https://www.automicvault.com/pkg/brew/go/) - Build dependency declared by Homebrew. - [colima](https://www.automicvault.com/pkg/brew/colima/) - Shares av.db curated category or tags: cli, cloud-infrastructure, containers, docker, kubernetes. - [container-structure-test](https://www.automicvault.com/pkg/brew/container-structure-test/) - Shares av.db curated category or tags: cli, cloud-infrastructure, containers, testing, validation. - [dcp](https://www.automicvault.com/pkg/brew/dcp/) - Shares av.db curated category or tags: cli, cloud-infrastructure, containers, docker, kubernetes. - [containerd](https://www.automicvault.com/pkg/brew/containerd/) - Shares av.db curated category or tags: cli, cloud-infrastructure, containers, kubernetes. - [dtop](https://www.automicvault.com/pkg/brew/dtop/) - Shares av.db curated category or tags: cli, cloud-infrastructure, containers, docker. - [kbld](https://www.automicvault.com/pkg/brew/kbld/) - Shares av.db curated category or tags: cli, cloud-infrastructure, containers, kubernetes. - [ko](https://www.automicvault.com/pkg/brew/ko/) - Shares av.db curated category or tags: cli, cloud-infrastructure, containers, kubernetes. - [mintoolkit](https://www.automicvault.com/pkg/brew/mintoolkit/) - Shares av.db curated category or tags: cli, cloud-infrastructure, containers, docker. - [container-compose](https://www.automicvault.com/pkg/brew/container-compose/) - Package names and metadata indicate a similar tool family. Shared terms: cli, cloud, cloud-infrastructure, container, containers. ## Combined YAML source View the package source record on GitHub. [combined/container-canary.yml](https://github.com/automic-vault/db/blob/main/combined/container-canary.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 - external package-manager database matches - cross-ecosystem install command graph