Initial commit: add .gitignore and README

kubernetes/dev-staging/cluster-config.yaml

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+# Development and Staging Kubernetes Cluster Configuration
+
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: cluster-config
+  namespace: kube-system
+data:
+  environment: "dev-staging"
+  cluster-type: "shared"
+  node-pool:
+    dev: "dev-pool"
+    staging: "staging-pool"
+  resource-quotas:
+    dev: |
+      requests.cpu: "4"
+      requests.memory: "8Gi"
+      limits.cpu: "8"
+      limits.memory: "16Gi"
+    staging: |
+      requests.cpu: "8"
+      requests.memory: "16Gi"
+      limits.cpu: "16"
+      limits.memory: "32Gi"
+  storage-classes:
+    dev: "standard"
+    staging: "premium"
+  network-policies: "enabled"
+  monitoring: "enabled"
+  logging: "enabled"
+

kubernetes/dev-staging/setup.sh

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+#!/bin/bash
+# Setup shared dev/staging Kubernetes clusters
+
+set -e
+
+echo "☸️  Setting up shared dev/staging Kubernetes clusters..."
+
+# Check prerequisites
+command -v kubectl >/dev/null 2>&1 || { echo "❌ kubectl not found"; exit 1; }
+command -v helm >/dev/null 2>&1 || { echo "❌ helm not found"; exit 1; }
+
+# Create namespaces
+echo "📦 Creating namespaces..."
+kubectl create namespace dev --dry-run=client -o yaml | kubectl apply -f -
+kubectl create namespace staging --dry-run=client -o yaml | kubectl apply -f -
+
+# Label namespaces
+kubectl label namespace dev environment=dev --overwrite
+kubectl label namespace staging environment=staging --overwrite
+
+# Apply cluster configuration
+echo "⚙️  Applying cluster configuration..."
+kubectl apply -f cluster-config.yaml
+
+# Set up resource quotas
+echo "📊 Setting up resource quotas..."
+
+# Dev namespace quota
+cat <<EOF | kubectl apply -f -
+apiVersion: v1
+kind: ResourceQuota
+metadata:
+  name: dev-quota
+  namespace: dev
+spec:
+  hard:
+    requests.cpu: "4"
+    requests.memory: 8Gi
+    limits.cpu: "8"
+    limits.memory: 16Gi
+    persistentvolumeclaims: "10"
+    services.loadbalancers: "2"
+EOF
+
+# Staging namespace quota
+cat <<EOF | kubectl apply -f -
+apiVersion: v1
+kind: ResourceQuota
+metadata:
+  name: staging-quota
+  namespace: staging
+spec:
+  hard:
+    requests.cpu: "8"
+    requests.memory: 16Gi
+    limits.cpu: "16"
+    limits.memory: 32Gi
+    persistentvolumeclaims: "20"
+    services.loadbalancers: "4"
+EOF
+
+echo "✅ Shared dev/staging clusters configured!"
+echo ""
+echo "📝 Namespaces created:"
+echo "   - dev"
+echo "   - staging"
+echo ""
+echo "📝 Resource quotas configured"
+echo "📝 Cluster configuration applied"
+