deploy-production-lean.sh

#!/bin/bash
set -e

# Lean Production Deployment Script for Appwrite
# Single-node optimized - conservative resource allocation

# Source .env file if it exists
if [ -f .env ]; then
  echo "📄 Loading environment variables from .env file..."
  set -a
  source .env
  set +a
fi

echo "🚀 Deploying Appwrite (LEAN) to Production (servana cluster)"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"

# Check required environment variables
REQUIRED_VARS=(
  "APPWRITE_OPENSSL_KEY"
  "DB_ROOT_PASSWORD"
  "DB_PASSWORD"
  "EXECUTOR_SECRET"
  "S3_ACCESS_KEY"
  "S3_SECRET"
)

echo "🔍 Checking required environment variables..."
MISSING_VARS=()

for var in "${REQUIRED_VARS[@]}"; do
  if [ -z "${!var}" ]; then
    MISSING_VARS+=("$var")
  fi
done

if [ ${#MISSING_VARS[@]} -gt 0 ]; then
  echo "❌ Missing required environment variables:"
  for var in "${MISSING_VARS[@]}"; do
    echo "   - $var"
  done
  echo ""
  echo "💡 Generate secrets with:"
  echo "   export APPWRITE_OPENSSL_KEY=\$(openssl rand -hex 32)"
  echo "   export DB_ROOT_PASSWORD=\$(openssl rand -base64 32)"
  echo "   export DB_PASSWORD=\$(openssl rand -base64 32)"
  echo "   export EXECUTOR_SECRET=\$(openssl rand -hex 32)"
  echo "   export S3_ACCESS_KEY='your-minio-access-key'"
  echo "   export S3_SECRET='your-minio-secret-key'"
  exit 1
fi

echo "✅ All required variables present"
echo ""

# Check cluster capacity
echo "📊 Checking cluster capacity..."
kubectl --context=servana top nodes

# Confirm deployment
echo ""
echo "📋 Deployment Details:"
echo "   Profile: LEAN (single-node optimized)"
echo "   Cluster: servana (k0s)"
echo "   Namespace: appwrite"
echo "   Domain: your-domain.com (configure in values file)"
echo "   Resources: ~3 cores, ~6GB RAM"
echo "   Replicas: 1 (no HA)"
echo "   Storage: OpenEBS + MinIO"
echo ""
read -p "Continue with LEAN deployment? (yes/no): " CONFIRM

if [ "$CONFIRM" != "yes" ]; then
  echo "❌ Deployment cancelled"
  exit 0
fi

echo ""
echo "📦 Creating namespace (if needed)..."
kubectl --context=servana create namespace appwrite --dry-run=client -o yaml | kubectl --context=servana apply -f -

echo "🔨 Templating Helm chart (LEAN configuration)..."
helm template appwrite . \
  --namespace appwrite \
  --values values-production-lean.yaml \
  --set secrets.opensslKeyV1="$APPWRITE_OPENSSL_KEY" \
  --set secrets.dbRootPassword="$DB_ROOT_PASSWORD" \
  --set secrets.dbPassword="$DB_PASSWORD" \
  --set secrets.executorSecret="$EXECUTOR_SECRET" \
  --set secrets.storage.s3.accessKey="$S3_ACCESS_KEY" \
  --set secrets.storage.s3.secret="$S3_SECRET" \
  > /tmp/appwrite-production-lean.yaml

echo "📤 Deploying to servana cluster..."
kubectl --context=servana apply -n appwrite -f /tmp/appwrite-production-lean.yaml

echo "🧹 Cleaning up temp file..."
rm /tmp/appwrite-production-lean.yaml

echo ""
echo "✅ Deployment complete!"
echo ""
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "📊 Check deployment status:"
echo "   kubectl --context=servana get pods -n appwrite"
echo ""
echo "🔍 Watch pods starting:"
echo "   kubectl --context=servana get pods -n appwrite -w"
echo ""
echo "📝 View logs:"
echo "   kubectl --context=servana logs -n appwrite -l component=api --tail=50"
echo ""
echo "📈 Monitor resources:"
echo "   kubectl --context=servana top pods -n appwrite"
echo ""
echo "🌐 Access Appwrite:"
echo "   https://your-domain.com (configure in values file)"
echo ""
echo "⏳ Note: It may take 3-5 minutes for all pods to be ready"
echo "⚠️  This is a LEAN deployment - single replicas, conservative resources"
echo "   Upgrade to values-production.yaml when you expand to 3+ nodes"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"