Initial commit: Inventory Barcode System
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251
scripts/deploy.sh
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251
scripts/deploy.sh
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#!/bin/bash
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# Inventory Barcode System Deployment Script
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# This script handles production deployment with Docker
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set -e # Exit on any error
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# Configuration
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APP_NAME="inventory-barcode-system"
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DOCKER_IMAGE="$APP_NAME:latest"
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CONTAINER_NAME="$APP_NAME-container"
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BACKUP_DIR="./data/backups"
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LOG_FILE="./logs/deployment.log"
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# Colors for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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NC='\033[0m' # No Color
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# Logging function
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log() {
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echo -e "${GREEN}[$(date +'%Y-%m-%d %H:%M:%S')] $1${NC}"
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echo "[$(date +'%Y-%m-%d %H:%M:%S')] $1" >> "$LOG_FILE"
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}
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error() {
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echo -e "${RED}[ERROR] $1${NC}"
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echo "[ERROR] $1" >> "$LOG_FILE"
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exit 1
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}
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warn() {
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echo -e "${YELLOW}[WARNING] $1${NC}"
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echo "[WARNING] $1" >> "$LOG_FILE"
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}
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# Check prerequisites
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check_prerequisites() {
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log "Checking prerequisites..."
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# Check if Docker is installed
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if ! command -v docker &> /dev/null; then
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error "Docker is not installed. Please install Docker first."
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fi
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# Check if Docker Compose is installed
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if ! command -v docker-compose &> /dev/null; then
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error "Docker Compose is not installed. Please install Docker Compose first."
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fi
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# Check if .env file exists
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if [ ! -f .env ]; then
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warn ".env file not found. Creating from .env.example..."
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if [ -f .env.example ]; then
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cp .env.example .env
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log "Please edit .env file with your configuration before continuing."
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exit 0
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else
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error ".env.example file not found. Cannot create .env file."
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fi
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fi
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log "Prerequisites check completed successfully."
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}
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# Create necessary directories
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create_directories() {
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log "Creating necessary directories..."
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mkdir -p data/exports
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mkdir -p data/backups
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mkdir -p data/temp
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mkdir -p logs
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log "Directories created successfully."
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}
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# Backup existing database
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backup_database() {
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if [ -f "./inventory.db" ]; then
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log "Backing up existing database..."
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BACKUP_FILE="$BACKUP_DIR/pre-deployment-backup-$(date +%Y%m%d-%H%M%S).db"
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mkdir -p "$BACKUP_DIR"
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cp "./inventory.db" "$BACKUP_FILE"
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log "Database backed up to: $BACKUP_FILE"
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else
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log "No existing database found. Skipping backup."
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fi
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}
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# Build Docker image
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build_image() {
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log "Building Docker image..."
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docker build -t "$DOCKER_IMAGE" .
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if [ $? -eq 0 ]; then
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log "Docker image built successfully."
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else
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error "Failed to build Docker image."
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fi
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}
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# Stop existing container
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stop_existing() {
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log "Stopping existing container..."
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if docker ps -q -f name="$CONTAINER_NAME" | grep -q .; then
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docker stop "$CONTAINER_NAME"
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docker rm "$CONTAINER_NAME"
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log "Existing container stopped and removed."
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else
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log "No existing container found."
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fi
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}
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# Deploy with Docker Compose
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deploy() {
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log "Deploying application with Docker Compose..."
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# Pull latest images and start services
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docker-compose down
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docker-compose up -d
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if [ $? -eq 0 ]; then
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log "Application deployed successfully."
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else
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error "Failed to deploy application."
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fi
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}
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# Health check
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health_check() {
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log "Performing health check..."
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# Wait for application to start
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sleep 10
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# Check if container is running
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if ! docker ps -q -f name="$APP_NAME" | grep -q .; then
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error "Container is not running."
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fi
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# Check application health endpoint
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local max_attempts=30
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local attempt=1
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while [ $attempt -le $max_attempts ]; do
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if curl -f -s http://localhost:3000/health > /dev/null; then
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log "Health check passed. Application is running."
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return 0
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fi
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log "Health check attempt $attempt/$max_attempts failed. Retrying in 5 seconds..."
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sleep 5
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((attempt++))
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done
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error "Health check failed after $max_attempts attempts."
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}
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# Show deployment status
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show_status() {
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log "Deployment Status:"
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echo ""
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echo "Container Status:"
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docker ps -f name="$APP_NAME"
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echo ""
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echo "Application Logs (last 20 lines):"
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docker-compose logs --tail=20
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echo ""
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echo "Access the application at: http://localhost:3000"
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echo "Health check endpoint: http://localhost:3000/health"
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}
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# Rollback function
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rollback() {
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warn "Rolling back deployment..."
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# Stop current deployment
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docker-compose down
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# Restore database backup if exists
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local latest_backup=$(ls -t "$BACKUP_DIR"/pre-deployment-backup-*.db 2>/dev/null | head -n1)
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if [ -n "$latest_backup" ]; then
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log "Restoring database from: $latest_backup"
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cp "$latest_backup" "./inventory.db"
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fi
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warn "Rollback completed. Please check your previous deployment."
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}
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# Main deployment function
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main() {
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log "Starting deployment of $APP_NAME..."
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# Trap errors and rollback
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trap rollback ERR
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check_prerequisites
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create_directories
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backup_database
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build_image
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stop_existing
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deploy
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health_check
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show_status
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log "Deployment completed successfully!"
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}
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# Handle command line arguments
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case "${1:-deploy}" in
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"deploy")
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main
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;;
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"rollback")
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rollback
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;;
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"status")
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show_status
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;;
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"logs")
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docker-compose logs -f
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;;
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"stop")
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log "Stopping application..."
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docker-compose down
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log "Application stopped."
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;;
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"restart")
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log "Restarting application..."
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docker-compose restart
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log "Application restarted."
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;;
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*)
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echo "Usage: $0 {deploy|rollback|status|logs|stop|restart}"
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echo ""
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echo "Commands:"
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echo " deploy - Deploy the application (default)"
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echo " rollback - Rollback to previous version"
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echo " status - Show deployment status"
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echo " logs - Show application logs"
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echo " stop - Stop the application"
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echo " restart - Restart the application"
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exit 1
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;;
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esac
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