Official agent skill

Gke App Onboarding

by google in google/skills

Manages GKE application onboarding, covering containerization, deployment manifests, and migration.

OfficialApache-2.0Auto-check passedDevOps & Cloud

Install Gke App Onboarding

skills CLI
$ npx skills add google/skills --skill gke-app-onboarding -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install google/skills gke-app-onboarding --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/google/skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/cloud/gke-app-onboarding .claude/skills/gke-app-onboarding && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
gke-app-onboarding
GitHub stars
21k
Token cost
~1.4k tokens
SKILL.md length
476 words
Files
7 (incl. references, assets)
Skills in repo
147
Repo updated
First seen
Licence
Apache-2.0

At a glance

Manages GKE application onboarding, covering containerization, deployment manifests, and migration.

  • Works in 5 steps: App Assessment → Containerization → Image Management → …
  • Deploying an application to GKE for the first time
  • SKILL.md covers Workflow, Golden Path Onboarding Checklist and Next Steps
  • Runs JavaScript scripts from its folder; calls kubectl, gcloud and docker

What it does

Gke App Onboarding is an agent skill from google/skills, published by the product's own GitHub organization. Manages GKE application onboarding, covering containerization, deployment manifests, and migration. Use when onboarding or deploying an application to GKE for the first time, or containerizing an app for GKE. Don't use for general GKE cluster administration or upgrades (use gke-basics or gke-upgrades instead).

Its SKILL.md is about 1.4k tokens, which your agent loads only when the skill is triggered. The skill folder holds 8 other files, including reference files and assets (for example `assets/deployment.yaml`, `assets/index.js` and `assets/package-lock.json`).

It sits in DevOps & Cloud, covering Containers and Deployment. It works with Google Kubernetes Engine, Kubernetes and Docker. The repository describes itself as: Agent Skills for Google products and technologies. The licence is Apache-2.0.

When your agent uses it

  • Deploying an application to GKE for the first time
  • Containerizing an app for GKE
  • General GKE cluster administration
  • Upgrades (use gke-basics

Example prompts

  • “Use the gke-app-onboarding skill to manage GKE application onboarding, covering containerization, deployment manifests, and migration”
  • “/gke-app-onboarding”

Requirements

  • Node.js
  • Docker

Workflow steps

5 steps, taken from the step headings in SKILL.md.

  1. App Assessment
  2. Containerization
  3. Image Management
  4. Manifest Generation
  5. Deploy

What it can do on your machine

Read from SKILL.md and the folder at commit 5120a76. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships script files (JavaScript), which the agent can run.

    Shell commands in SKILL.md call:

    • kubectl
    • gcloud
    • docker

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Links to these hosts (documentation or services it may open):

    • buildpacks.io

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Gke App Onboarding loads about 1.4k tokens when it runs, and up to ~1.9k if it reads all its reference files. Until then it costs about 83 tokens; SKILL.md has 476 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~83
When it runs · the whole SKILL.md, loaded when a task matches
~1.4k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.9k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from google/skills at commit 5120a76, republished under its Apache-2.0 licence (© google). 476 words, ~1,402 tokens.

Download SKILL.mdSave it as .claude/skills/gke-app-onboarding/SKILL.md (or your agent's skills folder). This skill also uses 6 other files; get the full folder from GitHub.
name
gke-app-onboarding
description
Manages GKE application onboarding, covering containerization, deployment manifests, and migration. Use when onboarding or deploying an application to GKE for the first time, or containerizing an app for GKE. Don't use for general GKE cluster administration or upgrades (use gke-basics or gke-upgrades instead).
metadata.version
1.0.0
metadata.category
Containers

GKE App Onboarding

This reference provides workflows for containerizing and deploying applications to GKE for the first time.

MCP Tools: apply_k8s_manifest, get_k8s_resource, get_k8s_rollout_status, get_k8s_logs, describe_k8s_resource

Workflow

1. App Assessment

Before containerizing, assess the application:

  • Language & Framework: Identify the tech stack
  • Dependencies: List required libraries and external services
  • Configuration: How is the app configured? (env vars, config files, secrets)
  • Statefulness: Does it need persistent storage? (databases, file storage)
  • Networking: Port mapping and protocol (HTTP, gRPC, TCP)
  • Health endpoints: Does the app expose health check endpoints?
2. Containerization

Create a container image. A Dockerfile with a multi-stage build is recommended for most apps — see the Go Dockerfile in references/go-example.md for a worked example.

Best practices:

  • Use multi-stage builds to keep production images small
  • Use distroless or minimal base images to reduce attack surface
  • Run as non-root user
  • Log to stdout and stderr for Cloud Logging collection

A complete worked Node.js example is provided in assets/: Dockerfile (non-root node user), index.js (implements distinct /healthz and /readyz endpoints), package.json, and deployment.yaml (hardened Deployment plus ClusterIP Service, probes wired to /healthz and /readyz).

For applications where writing a Dockerfile is not preferred, you can use Cloud Native Buildpacks to automatically detect the language and build a container image:

bash
pack build <image> --builder gcr.io/buildpacks/builder:latest
3. Image Management

Build and store the container image:

bash
# Configure Docker for Artifact Registry
gcloud auth configure-docker <REGION>-docker.pkg.dev --quiet

# Build and push
docker build -t <REGION>-docker.pkg.dev/<PROJECT>/<REPO>/<IMAGE>:<TAG> .
docker push <REGION>-docker.pkg.dev/<PROJECT>/<REPO>/<IMAGE>:<TAG>

Vulnerability scanning: Enable automatic scanning in Artifact Registry to detect issues in base images and dependencies.

bash
# Check scan results
gcloud artifacts docker images describe \
  <REGION>-docker.pkg.dev/<PROJECT>/<REPO>/<IMAGE>:<TAG> \
  --show-package-vulnerability \
  --quiet
Show full SKILL.md (248 more words)Show less
4. Manifest Generation

Generate Kubernetes manifests for the application. A baseline Deployment + ClusterIP Service manifest (probes, resource requests/limits, 2 replicas) is in references/go-example.md.

Checklist for manifests:

  • Resource requests and limits set
  • Liveness and readiness probes configured
  • At least 2 replicas for production
  • Service type appropriate (ClusterIP for internal, use Gateway API for external)

See assets/deployment.yaml for a hardened worked example. A production-hardened pod spec must include ALL of: runAsNonRoot: true, readOnlyRootFilesystem: true, allowPrivilegeEscalation: false, capabilities.drop: ["ALL"], seccompProfile: {type: RuntimeDefault}, automountServiceAccountToken: false (unless the pod needs the token — then say why), resource requests, digest-pinned image, and a ClusterIP Service.

That checklist is the baseline for any pod spec produced here. For manifest work beyond it — Gateway API routes, GCS FUSE and secret volume mounting, subPath overlays, Spot VM targeting, or AI/inference serving specs — see gke-manifest-generation.

5. Deploy
# MCP (preferred)
apply_k8s_manifest(parent="projects/<PROJECT>/locations/<REGION>/clusters/<CLUSTER>", yamlManifest="<manifest>")

# Verify
get_k8s_rollout_status(parent="...", resourceType="deployment", name="my-app")
get_k8s_resource(parent="...", resourceType="pod", labelSelector="app=my-app")

kubectl fallback:

bash
kubectl apply -f manifests/
kubectl rollout status deployment/my-app
kubectl get pods -l app=my-app

Golden Path Onboarding Checklist

For every production application onboarding to GKE:

  1. Container Security: Non-root user (runAsNonRoot: true), lockfile install, minimal/distroless base image.
  2. Resource Requests: Explicit CPU and memory requests (mandatory for GKE Autopilot).
  3. Health Probes: Both liveness (livenessProbe) and readiness (readinessProbe) probes configured.
  4. Reliability & Availability: At least 2 replicas and a PodDisruptionBudget (minAvailable: 1 or 2).
  5. IAM & Workload Identity: Workload Identity (iam.gke.io/gcp-service-account) instead of static service account keys.

Next Steps

Once the application is running on GKE:

  • Configure autoscaling — see the gke-workload-scaling skill
  • Set up observability — see the gke-observability skill
  • Harden security — see the gke-workload-security skill
  • Configure reliability (PDBs, topology spread) — see the gke-reliability skill

© google, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 6 other files (references, assets) in skills/cloud/gke-app-onboarding of google/skills.

  • SKILL.md
  • assets/Dockerfile
  • assets/deployment.yaml
  • assets/index.js
  • assets/package-lock.json
  • assets/package.json
  • references/go-example.md

Open the folder on GitHubat commit 5120a76

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Gke App Onboarding next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

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LangBot Deployment Guidelangbot-app/LangBot18k—~1.2kAutomated safety check: NotesApache-2.0
Devopsnicepkg/auto-company1942 repos~814Automated safety check: PassMIT
Debug Openshell ClusterNVIDIA/OpenShell16k—~19kAutomated safety check: NotesApache-2.0
Deploymentmatrixorigin/memoria609—~1.6kAutomated safety check: NotesApache-2.0

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Categories

Questions about Gke App Onboarding

What does Gke App Onboarding do?

Manages GKE application onboarding, covering containerization, deployment manifests, and migration. Gke App Onboarding is an agent skill from google/skills, published by the product's own GitHub organization. Manages GKE application onboarding, covering containerization, deployment manifests, and migration.

When should I use Gke App Onboarding?

Gke App Onboarding fits situations like: deploying an application to GKE for the first time; containerizing an app for GKE; general GKE cluster administration; upgrades (use gke-basics.

How do I install Gke App Onboarding in Claude Code?

Run `npx skills add google/skills --skill gke-app-onboarding -a claude-code`. Or copy the skill folder (skills/cloud/gke-app-onboarding in google/skills) into .claude/skills/gke-app-onboarding in your project. Claude Code loads it when a task matches its description.

How do I install Gke App Onboarding in Codex?

Run `npx skills add google/skills --skill gke-app-onboarding -a codex`. Or copy the skill folder (skills/cloud/gke-app-onboarding in google/skills) into .agents/skills/gke-app-onboarding in your project. Codex loads it when a task matches its description.

Can I use Gke App Onboarding in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add google/skills --skill gke-app-onboarding -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/gke-app-onboarding, .gemini/skills/gke-app-onboarding, .github/skills/gke-app-onboarding and .opencode/skills/gke-app-onboarding in your project.

What does Gke App Onboarding need to run?

Going by SKILL.md and its folder, Gke App Onboarding needs JavaScript for the scripts in its folder and the command-line tools its instructions call (kubectl, gcloud and docker). Our summary lists: Node.js; Docker.

Does Gke App Onboarding access the network?

SKILL.md names 1 domain. As links in the text: buildpacks.io. This is read from the text; nothing was executed.

Is Gke App Onboarding safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Gke App Onboarding use?

Gke App Onboarding is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Gke App Onboarding use?

About 1.4k tokens (SKILL.md is roughly 5.6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 512 tokens, read only when the agent opens those files.

What are the alternatives to Gke App Onboarding?

Skills that share tags, products or a category with Gke App Onboarding: Senior DevOps Toolkit (maslennikov-ig/claude-code-orchestrator-kit, 260 stars), LangBot Deployment Guide (langbot-app/LangBot, 18k stars), Devops (nicepkg/auto-company, 194 stars) and Debug Openshell Cluster (NVIDIA/OpenShell, 16k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Gke App Onboarding?

google (a GitHub organization, an official publisher) maintains it in google/skills, which has 21,069 GitHub stars. The repository holds 147 skills in this directory. The repository was last updated on October 9, 2026.

Source: google/skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.