Containers

Create optimized Docker containers with multi-stage builds, security best practices, and minimal image sizes. Use when containerizing applications, creating Dockerfiles, optimizing container images, or setting up Docker Compose services.

Gate 1 of the development cycle. Creates/updates Docker configuration, docker-compose setup, and environment variables for local development and deployment readiness.

Manage container registries (Docker Hub, ECR, GCR) with image scanning, retention policies, and access control.

Docker container management and image creation. Use when building Docker images, running containers, managing container networks, or creating containerized development environments.

Container orchestration platform configuration. Use when creating deployments, services, pods, or managing K8s resources.

Implement bin packing algorithms for optimal container utilization. Use this skill when assigning items to containers, minimizing wasted space, applying first-fit/best-fit heuristics, or solving 1D/2D/3D packing problems.

Container runtime and image building. Use when creating Dockerfiles, docker-compose files, or container configurations.

YAML data serialization format. Use when reading/writing configuration files, Kubernetes manifests, or structured data.

Test environment provisioning, infrastructure as code for testing, Docker/Kubernetes for test environments, service virtualization, and cost optimization. Use when managing test infrastructure, ensuring environment parity, or optimizing testing costs.

Docker/container security audit patterns. Load when Dockerfile or docker-compose.yml present. Covers secrets in layers, port exposure, non-root users, multi-stage builds, and compose security.

Git repository access in containerized AI chat environments. Use when user requests git clone, repo fetching, or GitHub operations in web/mobile AI chat sessions.

Express.js security audit patterns. Load when reviewing Express apps. Covers Helmet.js, CORS, body-parser limits, auth middleware, and common Express security mistakes.

Design and implement production-grade Kubernetes clusters with best practices for reliability, security, and scalability. Use when planning cluster architecture, designing K8s network models, or implementing multi-cluster strategies.

Kubernetes deployment expert for Apache Kafka. Guides K8s deployments using Helm charts, operators (Strimzi, Confluent), StatefulSets, and production best practices. Activates for kubernetes, k8s, helm, kafka on kubernetes, strimzi, confluent operator, kafka operator, statefulset, kafka helm chart, k8s deployment, kubernetes kafka, deploy kafka to k8s.

Prepares ML models for production deployment with containerization, API creation, monitoring setup, and A/B testing. Activates for "deploy model", "production deployment", "model API", "containerize model", "docker ml", "serving ml model", "model monitoring", "A/B test model". Generates deployment artifacts and ensures models are production-ready with monitoring, versioning, and rollback capabilities.

Converts Docker Compose configurations to NixOS modules using the dendritic pattern with Arion. Creates modules with system users, sops secrets, Arion docker-compose config, and Tailscale integration. Use when converting docker-compose.yaml files to NixOS modules or creating new Arion-based services.

Generate Docker Compose and Dockerfile configurations for local development through interactive Q&A. Supports PHP/Laravel, WordPress, Drupal, Joomla, Node.js, and Python stacks with Nginx, Supervisor/PM2, databases, Redis, and email testing. Always asks clarifying questions before generating configurations.

Container management with Docker and Podman. USE WHEN building images, managing containers, working with compose files, debugging containers, managing networks/volumes, scanning for vulnerabilities, or optimizing images.

Diagnose Home Assistant errors by connecting via SSH, checking Docker containers, reading logs, and identifying integration issues. Use when the user mentions Home Assistant errors, issues, problems, diagnostics, or when they want to troubleshoot their HA system.

Kubernetes development and operations best practices. USE WHEN working with kubectl commands, K8s manifests, deployments, debugging pods, managing resources, RBAC, or cluster operations.