init-env.sh

#!/bin/bash

# Array of services and their respective database names
SERVICES=("auth-service" "inventory-service" "order-service" "payment-service" "shipping-service")
DB_NAMES=("auth_db" "inventory_db" "order_db" "payment_db" "shipping_db")

echo "=================================================="
echo "Initializing environment files for microservices..."
echo "=================================================="

for i in "${!SERVICES[@]}"; do
  SERVICE="${SERVICES[$i]}"
  DB_NAME="${DB_NAMES[$i]}"
  
  if [ -d "$SERVICE" ]; then
    echo "Processing $SERVICE..."
    
    # Copy .env.example if .env does not exist
    if [ ! -f "$SERVICE/.env" ]; then
      cp "$SERVICE/.env.example" "$SERVICE/.env"
      echo "  ✔ Created .env file from .env.example"
    else
      echo "  ℹ .env file already exists. Updating configurations..."
    fi
    
    # Configure Database connection
    # Replace DB_HOST, DB_DATABASE, DB_USERNAME, DB_PASSWORD
    sed -i 's/^DB_HOST=.*/DB_HOST=db/g' "$SERVICE/.env"
    sed -i "s/^DB_DATABASE=.*/DB_DATABASE=$DB_NAME/g" "$SERVICE/.env"
    sed -i 's/^DB_USERNAME=.*/DB_USERNAME=root/g' "$SERVICE/.env"
    sed -i 's/^DB_PASSWORD=.*/DB_PASSWORD=rootpassword/g' "$SERVICE/.env"
    
    # Configure Redis connection (for caching/queues)
    sed -i 's/^REDIS_HOST=.*/REDIS_HOST=redis/g' "$SERVICE/.env"
    
    # Set APP_ENV to local and APP_DEBUG to true
    sed -i 's/^APP_ENV=.*/APP_ENV=local/g' "$SERVICE/.env"
    sed -i 's/^APP_DEBUG=.*/APP_DEBUG=true/g' "$SERVICE/.env"

    # Generate application key if it is empty or default
    APP_KEY_VAL=$(grep "^APP_KEY=" "$SERVICE/.env" | cut -d= -f2-)
    if [ -z "$APP_KEY_VAL" ] || [ "$APP_KEY_VAL" = '""' ] || [ "$APP_KEY_VAL" = "none" ]; then
      echo "  Generating application key..."
      if command -v php >/dev/null 2>&1 && [ -f "$SERVICE/vendor/autoload.php" ]; then
        php "$SERVICE/artisan" key:generate --ansi
        echo "  ✔ Generated Laravel app key using host PHP"
      else
        # Fallback to generating key using openssl
        RAND_KEY=$(openssl rand -base64 32)
        sed -i "s|^APP_KEY=.*|APP_KEY=base64:$RAND_KEY|g" "$SERVICE/.env"
        echo "  ✔ Generated app key using openssl (base64:$RAND_KEY)"
      fi
    else
      echo "  ℹ APP_KEY already exists. Skipping key generation."
    fi
    
    echo "  ✔ Configuration completed for $SERVICE"
    echo "--------------------------------------------------"
  else
    echo "  ⚠ Directory $SERVICE not found. Skipping."
    echo "--------------------------------------------------"
  fi
done

echo "Environment initialization complete! Run 'docker compose up -d --build' to start services."