Add DevSecOpsApp code with updated Jenkins pipeline for multi-environment deployment

scripts/health-check.sh

@@ -0,0 +1,152 @@
+#!/bin/bash
+
+# Health Check Script for DevSecOps Todo Application
+# This script verifies that both frontend and backend services are running correctly
+
+set -e  # Exit on any error
+
+echo "🏥 Starting health checks for DevSecOps Todo Application..."
+
+# Colors for output
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m' # No Color
+
+# Configuration
+BACKEND_URL="${BACKEND_URL:-http://localhost:3001}"
+FRONTEND_URL="${FRONTEND_URL:-http://localhost:3000}"
+MAX_RETRIES=5
+RETRY_DELAY=2
+
+# Function to check service health
+check_service() {
+    local url=$1
+    local service_name=$2
+    local retries=0
+    
+    echo "🔍 Checking $service_name at $url..."
+    
+    while [ $retries -lt $MAX_RETRIES ]; do
+        if curl -f -s "$url/health" > /dev/null 2>&1; then
+            echo -e "${GREEN}✅ $service_name is healthy${NC}"
+            return 0
+        else
+            retries=$((retries + 1))
+            echo -e "${YELLOW}⏳ $service_name not ready, attempt $retries/$MAX_RETRIES${NC}"
+            if [ $retries -lt $MAX_RETRIES ]; then
+                sleep $RETRY_DELAY
+            fi
+        fi
+    done
+    
+    echo -e "${RED}❌ $service_name health check failed after $MAX_RETRIES attempts${NC}"
+    return 1
+}
+
+# Function to check API endpoints
+check_api_endpoints() {
+    echo "🔍 Testing API endpoints..."
+    
+    # Test todos endpoint
+    if curl -f -s "$BACKEND_URL/api/todos" > /dev/null 2>&1; then
+        echo -e "${GREEN}✅ Todos API endpoint is working${NC}"
+    else
+        echo -e "${RED}❌ Todos API endpoint failed${NC}"
+        return 1
+    fi
+    
+    # Test stats endpoint  
+    if curl -f -s "$BACKEND_URL/api/stats" > /dev/null 2>&1; then
+        echo -e "${GREEN}✅ Stats API endpoint is working${NC}"
+    else
+        echo -e "${RED}❌ Stats API endpoint failed${NC}"
+        return 1
+    fi
+    
+    return 0
+}
+
+# Function to test basic functionality
+test_basic_functionality() {
+    echo "🧪 Testing basic functionality..."
+    
+    # Test creating a todo
+    local response=$(curl -s -X POST \
+        -H "Content-Type: application/json" \
+        -d '{"title":"Health Check Todo","priority":"low"}' \
+        "$BACKEND_URL/api/todos")
+    
+    if echo "$response" | grep -q "Health Check Todo"; then
+        echo -e "${GREEN}✅ Todo creation test passed${NC}"
+    else
+        echo -e "${RED}❌ Todo creation test failed${NC}"
+        return 1
+    fi
+    
+    return 0
+}
+
+# Main health check execution
+main() {
+    echo "=================================================="
+    echo "🚀 DevSecOps Todo Application Health Check"
+    echo "=================================================="
+    
+    local failed=0
+    
+    # Check backend health
+    if ! check_service "$BACKEND_URL" "Backend"; then
+        failed=1
+    fi
+    
+    # Check frontend health (if running on different port)
+    if [ "$FRONTEND_URL" != "$BACKEND_URL" ]; then
+        if ! check_service "$FRONTEND_URL" "Frontend"; then
+            failed=1
+        fi
+    fi
+    
+    # Test API endpoints
+    if ! check_api_endpoints; then
+        failed=1
+    fi
+    
+    # Test basic functionality
+    if ! test_basic_functionality; then
+        failed=1
+    fi
+    
+    echo "=================================================="
+    if [ $failed -eq 0 ]; then
+        echo -e "${GREEN}🎉 All health checks passed!${NC}"
+        echo -e "${GREEN}📊 Application is ready for use${NC}"
+        exit 0
+    else
+        echo -e "${RED}💥 Some health checks failed!${NC}"
+        echo -e "${RED}🔧 Please check the application logs${NC}"
+        exit 1
+    fi
+}
+
+# Show usage if help requested
+if [[ "$1" == "--help" || "$1" == "-h" ]]; then
+    echo "DevSecOps Todo Application Health Check Script"
+    echo ""
+    echo "Usage: $0 [OPTIONS]"
+    echo ""
+    echo "Environment Variables:"
+    echo "  BACKEND_URL   Backend service URL (default: http://localhost:3001)"
+    echo "  FRONTEND_URL  Frontend service URL (default: http://localhost:3000)"
+    echo ""
+    echo "Options:"
+    echo "  -h, --help    Show this help message"
+    echo ""
+    echo "Examples:"
+    echo "  $0                                    # Check local services"
+    echo "  BACKEND_URL=http://api.example.com $0  # Check remote backend"
+    exit 0
+fi
+
+# Run main function
+main "$@"