Enable easy deployment using Portainer and resolve image pull errors

Adds Portainer deployment configuration, scripts, and documentation, and fixes local image building.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: dec54137-d5a2-4406-8ad4-5f2f9fb110bf
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/0715008c-7244-40f4-befc-26c014852236/c7544f27-893f-4348-971a-1d048c9a4d80.jpg

portainer-stack.yml

@@ -0,0 +1,65 @@
+version: '3.8'
+
+# Configuration Stack Portainer pour RegisFlow
+# À utiliser directement dans Portainer comme Stack
+services:
+  # Base de données PostgreSQL
+  regisflow-db:
+    image: postgres:15-alpine
+    container_name: regisflow-db
+    environment:
+      POSTGRES_DB: regisflow
+      POSTGRES_USER: regisflow
+      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"]
+      interval: 30s
+      timeout: 10s
+      retries: 5
+      start_period: 30s
+
+  # Application RegisFlow - Image construite localement
+  regisflow:
+    image: regisflow:latest
+    container_name: regisflow-app
+    depends_on:
+      regisflow-db:
+        condition: service_healthy
+    environment:
+      NODE_ENV: production
+      PORT: 5000
+      DATABASE_URL: postgresql://regisflow:RegisFlow2024!PostgreSQL@regisflow-db:5432/regisflow
+      SESSION_SECRET: RegisFlow2024SessionSecretKey1234567890ABCDEF
+      TZ: Europe/Paris
+      SECURE_COOKIES: false
+      DATA_RETENTION_MONTHS: 19
+      BACKUP_RETENTION_DAYS: 90
+      MAX_BACKUP_COUNT: 20
+    volumes:
+      - backup_data:/app/backups
+      - logs_data:/app/logs
+    ports:
+      - "5000:5000"
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD-SHELL", "wget --no-verbose --tries=1 --spider http://localhost:5000/health || exit 1"]
+      interval: 30s
+      timeout: 15s
+      retries: 3
+      start_period: 90s
+
+# Volumes persistants
+volumes:
+  postgres_data:
+  backup_data:
+  logs_data:
+
+# Utilisation du réseau par défaut
+networks:
+  default:
+    name: regisflow-network