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Group 4: Container & Kubernetes

Container orchestration and registry services: Google Kubernetes Engine (GKE) (managed Kubernetes), Cloud Run (serverless containers), Artifact Registry (container/artifact storage), Container Registry (legacy), Binary Authorization (container security). Choose based on orchestration complexity, scaling patterns, and security requirements.

Orchestration Spectrum: Cloud Run for stateless microservices; GKE Standard for full Kubernetes control; GKE Autopilot for simplified operations; Artifact Registry for secure artifact management; Binary Authorization for supply chain security.

Services & Core Identity

Google Kubernetes Engine (GKE)

Managed Kubernetes with Standard (full control) and Autopilot (simplified) modes, integrated security, and auto-scaling.

Cloud Run

Fully managed serverless platform for containerized applications with automatic scaling and pay-per-request billing.

Artifact Registry

Universal artifact management for containers, packages, and other artifacts with security scanning and access controls.

Container Registry (Legacy)

Docker container registry service - migrating to Artifact Registry for enhanced features and security.

Binary Authorization

Policy-based deployment validation ensuring only trusted container images are deployed to production.

Key Differences

Dimension	GKE Standard	GKE Autopilot	Cloud Run	Artifact Registry	Binary Authorization
Management Level	Full control	Google-managed	Fully managed	Registry service	Security policy
Complexity	High	Medium	Low	Low	Medium
Scaling Model	Manual/HPA	Automatic	Automatic	N/A	N/A
Cost Model	Node-based	Pod-based	Request-based	Storage-based	Policy evaluation
Use Case	Complex workloads	Standard apps	Stateless services	Artifact storage	Security compliance
Networking	Full VPC control	Simplified	HTTPS only	Private/public	Policy enforcement

Mathematical Selection Model

Criteria [0..10]. Higher scores indicate better service fit.

Kubernetes Expertise Operational Control Stateless Services Complex Networking Security Requirements Cost Optimization Development Speed Multi-cloud Strategy

Score_GKEStandard = 0.25*C_k8sExpertise + 0.25*C_operationalControl + 0.20*C_complexNetworking + 0.15*C_multiCloudStrategy + 0.10*C_customRequirements + 0.05*(10 - C_developmentSpeed) Score_GKEAutopilot = 0.25*(10 - C_k8sExpertise) + 0.25*C_developmentSpeed + 0.20*C_costOptimization + 0.15*C_standardWorkloads + 0.10*C_securityRequirements + 0.05*(10 - C_operationalControl) Score_CloudRun = 0.30*C_statelessServices + 0.25*C_developmentSpeed + 0.20*C_costOptimization + 0.15*(10 - C_k8sExpertise) + 0.10*(10 - C_complexNetworking) Score_ArtifactRegistry = 0.30*C_securityRequirements + 0.25*C_artifactManagement + 0.20*C_complianceNeeds + 0.15*C_multiFormat + 0.10*C_accessControl Score_BinaryAuth = 0.40*C_securityRequirements + 0.30*C_complianceNeeds + 0.20*C_supplyChainSecurity + 0.10*C_policyEnforcement

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Interpretation Rules

GKE Standard: Complex microservices, custom networking, advanced Kubernetes features, multi-cloud portability
GKE Autopilot: Standard containerized applications, reduced operational overhead, cost optimization
Cloud Run: Stateless APIs, event-driven services, simple web applications, rapid prototyping
Artifact Registry: Secure artifact storage, vulnerability scanning, multi-format repositories
Binary Authorization: Regulated environments, supply chain security, policy-based deployment controls

When NOT to Use Containers

Simple static websites (consider Firebase Hosting or Cloud Storage)
Legacy applications with OS dependencies (consider Compute Engine)
Windows-specific workloads requiring Windows containers at scale
High-performance computing with specialized hardware requirements

Summary

GCP container services provide a spectrum from fully managed serverless (Cloud Run) to full Kubernetes control (GKE Standard). Choose based on operational complexity, Kubernetes expertise, networking requirements, and scaling patterns. Use Artifact Registry for secure artifact management and Binary Authorization for supply chain security in regulated environments.

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