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Containerization & Kubernetes with Security Hardening · aiskillstore | DecimalAI

devopsby aiskillstore

Containerization & Kubernetes with Security Hardening

aiskillstore/docker-k8s

Source aiskillstore/marketplace ↗License MIT

Master containerization and orchestration with security-first approach. Expert in Docker multi-stage builds, Kubernetes zero-trust deployments, security hardening, GitOps workflows, and production-ready patterns for cloud-native applications. Includes 2025 best practices from CNCF and major cloud providers.

SkillScore65Maintained

Automatic

DevOps & SRE pack

Last verified 9/2/2026

What it changes

Passed 15 of 23 test cases with the skill, and 12 of 23 without it.

Without skill52%

With skill65%

Checks it passed that the model alone missed

Sets serviceAccountName to restricted-sa.
Includes a startupProbe checking httpGet path /health.
Uses curl -f http://localhost:8000/health in the HEALTHCHECK command.

3 fixed12 passed either way8 still failing0 broke

Pass-rate lift: +13 pp
Tokens: +393%
Agent turns: 0%
Response time: -2%

Model gemini-3.6-flashMeasured 9/2/2026v115 of 23 cases passed with skill

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/aiskillstore-docker-k8s/SKILL.md https://app.decimal.ai/s/aiskillstore-docker-k8s/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add aiskillstore-docker-k8s, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/aiskillstore-docker-k8s/ and pins it in .decimal/skills.lock

decimalai skills add aiskillstore-docker-k8s

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/aiskillstore-docker-k8s/SKILL.md https://app.decimal.ai/s/aiskillstore-docker-k8s/SKILL.md

Raw file: /s/aiskillstore-docker-k8s/SKILL.md ↗ · machine-readable summary at /s/aiskillstore-docker-k8s.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 3 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 3

Prompt

Write a Kubernetes Deployment spec snippet for secure-app that prevents automatic mounting of API credentials to the container filesystem.

What was checked, without and with the skill
Checked	Without skill	With skill
Sets automountServiceAccountToken to false.	Passed	Passed
Sets serviceAccountName to restricted-sa.	Missed	Passed

case-19 · gemini-3.6-flash · 9/2/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md882 linessingle file

Containerization & Kubernetes with Security Hardening

This skill provides comprehensive patterns for containerizing applications and deploying to Kubernetes in 2025, focusing on zero-trust security, multi-stage optimization, production hardening, and cloud-native best practices that work across different cloud providers.

When to Use This Skill

Use this skill when you need to:

Create secure multi-stage Docker builds
Deploy applications to Kubernetes with security hardening
Implement zero-trust security patterns
Set up GitOps workflows with ArgoCD/Flux
Optimize container images for production
Configure cluster security with Pod Security Standards
Implement secure networking with service meshes
Set up monitoring and observability
Deploy to multiple cloud providers (AWS, GCP, Azure, DO)

Secure Multi-Stage Docker Builds

1. Security-First Multi-Stage Builds

# Dockerfile with security hardening
# Build stage
FROM python:3.11-slim AS builder

# Set build-time security arguments
ARG DEBIAN_FRONTEND=noninteractive
ARG DEBCONF_NONINTERACTIVE_SEEN=true
ARG BUILDPLATFORM
ARG TARGETPLATFORM

# Install build dependencies with security updates
RUN apt-get update && \
    apt-get upgrade -y && \
    apt-get install -y --no-install-recommends \
        build-essential \
        libpq-dev \
        ca-certificates \
        curl \

Track record

Benchmark

15 / 23

test cases passed, vs 12 / 23 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/10/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

aiskillstore / marketplace

skills/azeem-2/docker-k8s/SKILL.md

View on GitHub ↗

License MITImported 8/10/2026Version v1

Other skills for the same job

Published skills whose descriptions closely match this one, with their headline benchmark lift.

lingxling/container-security-hardeningHarden Docker/container images and runtime deployments with secure base images, non-root users, CVE scanning, SBOM/signing, seccomp/AppArmor, and Kubernetes pod security controls. Use for Dockerfile security reviews, container CVEs, image scanning, distroless images, or production hardening.Close match+17 pp pass-rate lift

More skills from the same source and nearby in the registry, with their headline benchmark lift.

Ready to supercharge your AI agents?

See it in action

What's inside

Containerization & Kubernetes with Security Hardening

When to Use This Skill

Secure Multi-Stage Docker Builds

1. Security-First Multi-Stage Builds

Track record

Benchmark

Adoption

SkillSafety

Source

Other skills for the same job

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