Add complete Nextcloud on AKS deployment with infrastructure manifests and documentation

[Copilot]

Implements production-ready Nextcloud deployment on Azure Kubernetes Service with PostgreSQL and Redis.

Infrastructure

Kubernetes Manifests (k8s/base/)

• Nextcloud 28 deployment with health checks, resource limits, persistent storage (50Gi Premium SSD)
• PostgreSQL 15 with persistent storage (10Gi Premium SSD)
• Redis 7 for session/cache management
• LoadBalancer service + optional Ingress with Let's Encrypt integration
• Secrets template (requires user customization before deployment)

Automation Scripts

• deploy.sh - Orchestrated deployment with dependency ordering, readiness checks, non-interactive mode for CI/CD
• validate.sh - Deployment verification with null-safe checks and color-coded status
• cleanup.sh - Resource removal with data protection prompts

Configuration

Health probes use dynamic host header from ConfigMap to support any domain:

# Removed hardcoded nextcloud.example.com from probes
livenessProbe:
  httpGet:
    path: /status.php
    port: 80
  initialDelaySeconds: 60

Secrets stored in Kubernetes Secret objects with clear placeholders:

stringData:
  postgres-password: "CHANGE_ME_POSTGRES_PASSWORD"
  nextcloud-admin-password: "CHANGE_ME_ADMIN_PASSWORD"

Documentation

• GETTING_STARTED.md - 5-minute deployment path
• README.md - Complete setup, architecture, security considerations
• AZURE_SETUP.md - AKS cluster provisioning, storage classes, networking
• QUICKREF.md - Command reference, troubleshooting patterns
• EXAMPLES.md - HA setup with Azure Files, external database, backup workflows

Resource Allocation

Nextcloud:  512Mi-1Gi RAM,  500m-1000m CPU
PostgreSQL: 256Mi-512Mi RAM, 250m-500m CPU
Redis:      128Mi-256Mi RAM, 100m-200m CPU

Minimum: 2x Standard_D2s_v3 nodes

Deployment time: 5-10 minutes from ./deploy.sh to accessible Nextcloud instance.

Original prompt

help me set up nextcloud kubernetes cluster in azure

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