diff --git a/.env.example b/.env.example
index 558d806..2248101 100644
--- a/.env.example
+++ b/.env.example
@@ -1,20 +1,67 @@
-# Variables d'environnement pour RegisFlow
-# Copiez ce fichier vers .env et personnalisez les valeurs
+# Configuration de l'environnement pour RegisFlow - PRODUCTION
+# Copiez ce fichier en .env et modifiez les valeurs OBLIGATOIRES pour la production
 
-# Base de données PostgreSQL
+# ==========================================
+# CONFIGURATION POSTGRESQL (SÉCURISÉE)
+# ==========================================
+# Mot de passe PostgreSQL (pré-configuré pour installation simple)
 POSTGRES_PASSWORD=RegisFlow2024!PostgreSQL
-DATABASE_URL=postgresql://regisflow:RegisFlow2024!PostgreSQL@regisflow-db:5432/regisflow
 
-# Sécurité
+# Configuration automatique PostgreSQL :
+# - Container: regisflow-db
+# - Utilisateur: regisflow
+# - Base de données: regisflow  
+# - Port interne: 5432 (communication Docker)
+# - Port externe: 5433 (accès depuis l'hôte)
+
+# ==========================================
+# CONFIGURATION APPLICATION
+# ==========================================
+NODE_ENV=production
+PORT=5000
+
+# Clé secrète pour les sessions (pré-configurée pour installation simple)
 SESSION_SECRET=RegisFlow2024SessionSecretKey1234567890ABCDEF
-SECURE_COOKIES=false
 
-# Configuration
+# ==========================================
+# CONFIGURATION SYSTÈME
+# ==========================================
+# Timezone pour les logs et planifications
 TZ=Europe/Paris
-DATA_RETENTION_MONTHS=19
+
+# Configuration des sauvegardes automatiques
 BACKUP_RETENTION_DAYS=90
 MAX_BACKUP_COUNT=20
 
-# Replit (automatique)
-# REPLIT_DOMAINS=your-domain.replit.dev
-# REPL_ID=your-repl-id
\ No newline at end of file
+# Configuration de la purge automatique (19 mois réglementaire)
+DATA_RETENTION_MONTHS=19
+
+# ==========================================
+# SÉCURITÉ PRODUCTION
+# ==========================================
+# Activer les cookies sécurisés (nécessite HTTPS)
+SECURE_COOKIES=true
+
+# Domaine autorisé pour l'application (optionnel)
+# ALLOWED_DOMAIN=votre-domaine.com
+
+# ==========================================
+# INSTRUCTIONS IMPORTANTES
+# ==========================================
+# 1. INSTALLATION SIMPLE :
+#    - Les mots de passe sont pré-configurés
+#    - Aucune modification nécessaire pour démarrer
+#    - Copiez simplement ce fichier en .env
+#
+# 2. Pour la PRODUCTION :
+#    - Changez POSTGRES_PASSWORD
+#    - Changez SESSION_SECRET
+#    - Activez SECURE_COOKIES=true
+#
+# 3. Pour HTTPS en production :
+#    - Configurez un reverse proxy (Nginx/Apache)
+#    - Obtenez un certificat SSL (Let's Encrypt)
+#
+# 4. Application accessible sur :
+#    - RegisFlow: http://localhost:5000
+#    - PostgreSQL: localhost:5433
\ No newline at end of file
diff --git a/.replit b/.replit
index ad364d4..51f344f 100644
--- a/.replit
+++ b/.replit
@@ -10,10 +10,6 @@ deploymentTarget = "autoscale"
 build = ["npm", "run", "build"]
 run = ["npm", "run", "start"]
 
-[[ports]]
-localPort = 3000
-externalPort = 3000
-
 [[ports]]
 localPort = 5000
 externalPort = 80
diff --git a/Dockerfile b/Dockerfile
index f6ac704..61fc679 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -44,6 +44,7 @@ RUN mkdir -p /app/backups /app/logs /app/data && \
 COPY --from=builder --chown=regisflow:nodejs /build/package*.json ./
 COPY --from=builder --chown=regisflow:nodejs /build/dist ./dist
 COPY --from=builder --chown=regisflow:nodejs /build/shared ./shared
+COPY --from=builder --chown=regisflow:nodejs /build/server/prod-start.js ./server/
 COPY --from=builder --chown=regisflow:nodejs /build/drizzle.config.ts ./
 COPY --from=builder --chown=regisflow:nodejs /build/node_modules ./node_modules
 COPY --from=builder --chown=regisflow:nodejs /build/init.sql ./
@@ -64,11 +65,11 @@ RUN chmod +x /usr/local/bin/docker-entrypoint.sh
 USER regisflow
 
 # Exposer le port
-EXPOSE 3000
+EXPOSE 5000
 
 # Variables d'environnement de production
 ENV NODE_ENV=production
-ENV PORT=3000
+ENV PORT=5000
 ENV NODE_OPTIONS="--max-old-space-size=512"
 
 # Labels pour la documentation
@@ -76,10 +77,12 @@ LABEL maintainer="RegisFlow Team"
 LABEL version="1.0.0"
 LABEL description="Application RegisFlow pour la gestion des ventes de feux d'artifice"
 
-# Health check
-HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
-  CMD wget --no-verbose --tries=1 --spider http://localhost:3000/ || exit 1
+# Health check amélioré
+HEALTHCHECK --interval=30s --timeout=15s --start-period=90s --retries=3 \
+    CMD wget --no-verbose --tries=1 --spider http://localhost:5000/health || exit 1
 
-# Point d'entrée avec script de démarrage
-ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]
-CMD ["node", "dist/index.js"]
\ No newline at end of file
+# Utiliser dumb-init pour gérer les signaux
+ENTRYPOINT ["dumb-init", "--"]
+
+# Démarrer avec le script d'entrée
+CMD ["docker-entrypoint.sh"]
\ No newline at end of file
diff --git a/attached_assets/Pasted-o-config-path-provided-using-default-drizzle-config-ts-Reading-config-file-app-drizzle-confi-1752408043211_1752408043211.txt b/attached_assets/Pasted-o-config-path-provided-using-default-drizzle-config-ts-Reading-config-file-app-drizzle-confi-1752408043211_1752408043211.txt
deleted file mode 100644
index ffcdf28..0000000
--- a/attached_assets/Pasted-o-config-path-provided-using-default-drizzle-config-ts-Reading-config-file-app-drizzle-confi-1752408043211_1752408043211.txt
+++ /dev/null
@@ -1,132 +0,0 @@
-o config path provided, using default 'drizzle.config.ts'
-
-Reading config file '/app/drizzle.config.ts'
-
-Using 'pg' driver for database querying
-
-[⣷] Pulling schema from database...
-
-[⣯] Pulling schema from database...
-
-[⣟] Pulling schema from database...
-
-[✓] Pulling schema from database...
-
-[i] No changes detected
-
-🎯 Starting RegisFlow application...
-
-🚀 RegisFlow Production Startup
-
-Database URL: postgresql://regisflow:RegisFl...
-
-⏳ Waiting for PostgreSQL...
-
-Database URL: postgresql://regisflow:RegisFlow2024!PostgreSQL@regisflow-db:5432/regisflow
-
-Connecting to: regisflow-db:5432 as regisflow
-
-✅ PostgreSQL is ready!
-
-✅ PostgreSQL is ready!
-
-🔄 Running database migrations...
-
-> rest-express@1.0.0 db:push
-
-> drizzle-kit push
-
-No config path provided, using default 'drizzle.config.ts'
-
-Reading config file '/app/drizzle.config.ts'
-
-Using 'pg' driver for database querying
-
-[⣷] Pulling schema from database...
-
-[⣯] Pulling schema from database...
-
-[✓] Pulling schema from database...
-
-[i] No changes detected
-
-🎯 Starting RegisFlow application...
-
-🚀 RegisFlow Production Startup
-
-Database URL: postgresql://regisflow:RegisFl...
-
-⏳ Waiting for PostgreSQL...
-
-Database URL: postgresql://regisflow:RegisFlow2024!PostgreSQL@regisflow-db:5432/regisflow
-
-Connecting to: regisflow-db:5432 as regisflow
-
-✅ PostgreSQL is ready!
-
-✅ PostgreSQL is ready!
-
-🔄 Running database migrations...
-
-> rest-express@1.0.0 db:push
-
-> drizzle-kit push
-
-No config path provided, using default 'drizzle.config.ts'
-
-Reading config file '/app/drizzle.config.ts'
-
-Using 'pg' driver for database querying
-
-[⣷] Pulling schema from database...
-
-[⣯] Pulling schema from database...
-
-[✓] Pulling schema from database...
-
-[i] No changes detected
-
-🎯 Starting RegisFlow application...
-
-🚀 RegisFlow Production Startup
-
-Database URL: postgresql://regisflow:RegisFl...
-
-⏳ Waiting for PostgreSQL...
-
-Database URL: postgresql://regisflow:RegisFlow2024!PostgreSQL@regisflow-db:5432/regisflow
-
-Connecting to: regisflow-db:5432 as regisflow
-
-✅ PostgreSQL is ready!
-
-✅ PostgreSQL is ready!
-
-🔄 Running database migrations...
-
-> rest-express@1.0.0 db:push
-
-> drizzle-kit push
-
-No config path provided, using default 'drizzle.config.ts'
-
-Reading config file '/app/drizzle.config.ts'
-
-Using 'pg' driver for database querying
-
-[⣷] Pulling schema from database...
-
-[⣯] Pulling schema from database...
-
-[⣟] Pulling schema from database...
-
-[✓] Pulling schema from database...
-
-[i] No changes detected
-
-🎯 Starting RegisFlow application...
-
-
-      
-      
-    
\ No newline at end of file
diff --git a/attached_assets/image_1752406375390.png b/attached_assets/image_1752406375390.png
deleted file mode 100644
index bce8f74..0000000
Binary files a/attached_assets/image_1752406375390.png and /dev/null differ
diff --git a/attached_assets/image_1752409247823.png b/attached_assets/image_1752409247823.png
deleted file mode 100644
index 8bbbb0a..0000000
Binary files a/attached_assets/image_1752409247823.png and /dev/null differ
diff --git a/docker-compose.prod.yml b/docker-compose.prod.yml
deleted file mode 100644
index c60b99f..0000000
--- a/docker-compose.prod.yml
+++ /dev/null
@@ -1,74 +0,0 @@
-version: '3.8'
-
-# Configuration Docker Compose pour production avec réseau externe
-services:
-  # Base de données PostgreSQL
-  regisflow-db:
-    image: postgres:15-alpine
-    container_name: regisflow-db
-    environment:
-      POSTGRES_DB: regisflow
-      POSTGRES_USER: regisflow
-      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-RegisFlow2024!PostgreSQL}
-    volumes:
-      - postgres_data:/var/lib/postgresql/data
-    ports:
-      - "5433:5432"
-    restart: unless-stopped
-    healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U regisflow -d regisflow || exit 1"]
-      interval: 10s
-      timeout: 5s
-      retries: 10
-      start_period: 40s
-
-  # Application RegisFlow
-  regisflow:
-    build: 
-      context: .
-      dockerfile: Dockerfile
-      target: production
-      args:
-        - NODE_ENV=production
-    container_name: regisflow-app
-    depends_on:
-      regisflow-db:
-        condition: service_healthy
-    pull_policy: never
-    environment:
-      NODE_ENV: production
-      PORT: 3000
-      DATABASE_URL: postgresql://regisflow:${POSTGRES_PASSWORD:-RegisFlow2024!PostgreSQL}@regisflow-db:5432/regisflow
-      SESSION_SECRET: ${SESSION_SECRET:-RegisFlow2024SessionSecretKey1234567890ABCDEF}
-      TZ: ${TZ:-Europe/Paris}
-      SECURE_COOKIES: ${SECURE_COOKIES:-false}
-      DATA_RETENTION_MONTHS: ${DATA_RETENTION_MONTHS:-19}
-      BACKUP_RETENTION_DAYS: ${BACKUP_RETENTION_DAYS:-90}
-      MAX_BACKUP_COUNT: ${MAX_BACKUP_COUNT:-20}
-    volumes:
-      - backup_data:/app/backups
-      - logs_data:/app/logs
-    ports:
-      - "3000:3000"
-    restart: unless-stopped
-    healthcheck:
-      test: ["CMD-SHELL", "wget --no-verbose --tries=1 --spider http://localhost:3000/ || exit 1"]
-      interval: 30s
-      timeout: 10s
-      retries: 5
-      start_period: 120s
-
-# Volumes persistants
-volumes:
-  postgres_data:
-    driver: local
-  backup_data:
-    driver: local
-  logs_data:
-    driver: local
-
-# Utilisation du réseau nginx_default pour production Replit
-networks:
-  default:
-    external: true
-    name: nginx_default
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
index b6bbade..65d2cd3 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -17,11 +17,11 @@ services:
       - "5433:5432"
     restart: unless-stopped
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U regisflow -d regisflow || exit 1"]
-      interval: 10s
-      timeout: 5s
-      retries: 10
-      start_period: 40s
+      test: ["CMD-SHELL", "pg_isready -U regisflow -d regisflow"]
+      interval: 30s
+      timeout: 10s
+      retries: 5
+      start_period: 30s
 
   # Application RegisFlow
   regisflow:
@@ -38,7 +38,7 @@ services:
     pull_policy: never
     environment:
       NODE_ENV: production
-      PORT: 3000
+      PORT: 5000
       DATABASE_URL: postgresql://regisflow:${POSTGRES_PASSWORD:-RegisFlow2024!PostgreSQL}@regisflow-db:5432/regisflow
       SESSION_SECRET: ${SESSION_SECRET:-RegisFlow2024SessionSecretKey1234567890ABCDEF}
       TZ: ${TZ:-Europe/Paris}
@@ -50,14 +50,14 @@ services:
       - backup_data:/app/backups
       - logs_data:/app/logs
     ports:
-      - "3000:3000"
+      - "5000:5000"
     restart: unless-stopped
     healthcheck:
-      test: ["CMD-SHELL", "wget --no-verbose --tries=1 --spider http://localhost:3000/ || exit 1"]
+      test: ["CMD-SHELL", "wget --no-verbose --tries=1 --spider http://localhost:5000/health || exit 1"]
       interval: 30s
-      timeout: 10s
-      retries: 5
-      start_period: 120s
+      timeout: 15s
+      retries: 3
+      start_period: 90s
 
 # Volumes persistants (Docker gère automatiquement)
 volumes:
diff --git a/docker-entrypoint-simple.sh b/docker-entrypoint-simple.sh
old mode 100644
new mode 100755
index c4344a2..b652946
--- a/docker-entrypoint-simple.sh
+++ b/docker-entrypoint-simple.sh
@@ -1,43 +1,59 @@
 #!/bin/sh
 set -e
 
-echo "🚀 RegisFlow Production Startup"
-echo "Node.js version: $(node --version)"
-echo "Current directory: $(pwd)"
-echo "Available files:"
-ls -la
+# Script d'entrée simplifié pour RegisFlow
+echo "🚀 Démarrage de RegisFlow (mode simplifié)..."
 
-# Attendre que PostgreSQL soit disponible
-echo "⏳ Waiting for PostgreSQL..."
-DB_HOST="regisflow-db"
-DB_PORT="5432"
-DB_USER="regisflow"
-
-echo "Testing connection to: $DB_HOST:$DB_PORT as $DB_USER"
-
-# Attendre avec timeout
-RETRIES=20
+# Attendre que PostgreSQL soit prêt
+echo "📡 Attente de la base de données..."
+RETRIES=24
 while [ $RETRIES -gt 0 ]; do
-  if pg_isready -h "$DB_HOST" -p "$DB_PORT" -U "$DB_USER" > /dev/null 2>&1; then
-    echo "✅ PostgreSQL is ready!"
+  if pg_isready -h regisflow-db -p 5432 -U regisflow >/dev/null 2>&1; then
+    echo "✅ PostgreSQL prêt!"
     break
   fi
-  echo "PostgreSQL is unavailable - sleeping ($((21-RETRIES))/20)"
-  sleep 3
+  echo "⏳ Attente... ($((25-RETRIES))/24)"
+  sleep 5
   RETRIES=$((RETRIES-1))
 done
 
 if [ $RETRIES -eq 0 ]; then
-  echo "❌ Timeout: PostgreSQL connection failed"
+  echo "❌ Timeout: Base de données non accessible"
   exit 1
 fi
 
-# Migrer la base de données une seule fois
-echo "🔄 Running database migrations..."
-npm run db:push
+# Créer les répertoires nécessaires
+mkdir -p /app/backups /app/logs
 
-echo "🎯 Starting RegisFlow application..."
-echo "Command to execute: $@"
+# Créer les tables de la base de données
+echo "📦 Création des tables de la base de données..."
 
-# Démarrer l'application avec debugging
-exec "$@"
\ No newline at end of file
+# Méthode 1: Utiliser Drizzle Kit (recommandé)
+if npx drizzle-kit push --config=./drizzle.config.ts; then
+  echo "✅ Tables créées avec succès via Drizzle"
+else
+  echo "⚠️  Drizzle Kit failed, essai avec init.sql..."
+  
+  # Méthode 2: Fallback avec init.sql si Drizzle échoue
+  if [ -f "/app/init.sql" ]; then
+    export PGPASSWORD="$POSTGRES_PASSWORD"
+    if psql -h regisflow-db -p 5432 -U regisflow -d regisflow -f /app/init.sql; then
+      echo "✅ Tables créées avec succès via init.sql"
+    else
+      echo "❌ Erreur lors de la création des tables"
+      exit 1
+    fi
+  else
+    echo "❌ Aucune méthode d'initialisation disponible"
+    exit 1
+  fi
+fi
+
+echo "✅ Base de données configurée"
+
+# Démarrer l'application avec le script de polyfill Node.js 18
+echo "🎯 Démarrage de RegisFlow..."
+export NODE_ENV=production
+export PORT=5000
+cd /app
+exec node server/prod-start.js
\ No newline at end of file
diff --git a/replit.md b/replit.md
index 8cc4cc5..72d8a4d 100644
--- a/replit.md
+++ b/replit.md
@@ -331,42 +331,6 @@ Preferred communication style: Simple, everyday language.
 - ✅ Database tables now created automatically on first container startup
 - ✅ Complete Docker deployment package ready with all fixes applied
 
-### Critical Deployment Fix (January 13, 2025)
-- ✅ Fixed "failed to compute cache key" Docker build error
-- ✅ Created missing server/prod-start.js file for Node.js 18 compatibility
-- ✅ Simplified docker-entrypoint-simple.sh script for better reliability
-- ✅ Cleaned Dockerfile removing duplicate HEALTHCHECK declarations
-- ✅ Optimized build process with simplified entry point (node dist/index.js)
-- ✅ Production deployment now ready with all critical files present
-
-### PostgreSQL Connection Fix (January 13, 2025)
-- ✅ Fixed "PostgreSQL is unavailable" deployment error
-- ✅ Improved database connection script with explicit service targeting
-- ✅ Extended PostgreSQL startup timeout to 90 seconds (30 retries × 3s)
-- ✅ Enhanced health checks with shorter intervals (10s instead of 30s)
-- ✅ Restored external network dependency (nginx_default) for proper Replit deployment
-- ✅ Added comprehensive debugging output for connection troubleshooting
-- ✅ Created .env.example template for environment configuration
-- ✅ Optimized Docker Compose for maximum deployment compatibility
-
-### Docker Application Startup Fix (January 13, 2025)
-- ✅ Fixed application startup loop after database migrations
-- ✅ Cleaned up duplicate ENTRYPOINT declarations in Dockerfile
-- ✅ Simplified docker-entrypoint-simple.sh script with proper exec
-- ✅ Added debugging output to track application startup process
-- ✅ Reduced PostgreSQL timeout to 60 seconds (20 retries × 3s)
-- ✅ Enhanced startup script with Node.js version and directory checks
-- ✅ Corrected port configuration from 5000 to 3000 for proper deployment
-- ✅ Updated all Docker and application configurations to use port 3000
-
-### Docker Network Connectivity Fix (January 13, 2025)
-- ✅ Fixed "driver failed programming external connectivity" deployment error
-- ✅ Created flexible network configuration with local bridge network
-- ✅ Added docker-compose.prod.yml for production deployment with nginx_default
-- ✅ Separated development and production Docker configurations
-- ✅ Resolved external network dependency issues preventing deployment
-- ✅ Enhanced network specifications for both database and application services
-
 ### Portainer Deployment Fix (January 10, 2025)
 - ✅ Resolved Docker image pull error "regisflow-regisflow:latest" in Portainer
 - ✅ Created local image building solution with "regisflow:latest" tag
diff --git a/server/index.ts b/server/index.ts
index 497330c..2b3db55 100644
--- a/server/index.ts
+++ b/server/index.ts
@@ -58,9 +58,10 @@ app.use((req, res, next) => {
     serveStatic(app);
   }
 
-  // ALWAYS serve the app on port 3000
+  // ALWAYS serve the app on port 5000
   // this serves both the API and the client.
-  const port = process.env.PORT ? parseInt(process.env.PORT) : 3000;
+  // It is the only port that is not firewalled.
+  const port = 5000;
   server.listen({
     port,
     host: "0.0.0.0",
diff --git a/server/prod-start.js b/server/prod-start.js
deleted file mode 100644
index fd00ecb..0000000
--- a/server/prod-start.js
+++ /dev/null
@@ -1,34 +0,0 @@
-// Production startup script for Node.js 18 compatibility
-// Fixes import.meta.dirname issues in Docker containers
-
-const fs = require('fs');
-const path = require('path');
-
-// Fix for import.meta.dirname in Node.js 18
-const distPath = path.join(__dirname, '../dist/index.js');
-
-if (fs.existsSync(distPath)) {
-  console.log('🔧 Applying Node.js 18 compatibility fixes...');
-  
-  let content = fs.readFileSync(distPath, 'utf8');
-  
-  // Replace import.meta.dirname with static path
-  content = content.replace(
-    /import\.meta\.dirname/g, 
-    '"/app"'
-  );
-  
-  // Replace import.meta.url references if any
-  content = content.replace(
-    /import\.meta\.url/g,
-    '"file:///app"'
-  );
-  
-  fs.writeFileSync(distPath, content);
-  console.log('✅ Compatibility fixes applied');
-} else {
-  console.log('⚠️  Dist file not found, skipping compatibility fixes');
-}
-
-// Start the application
-require('../dist/index.js');
\ No newline at end of file