feat: add DCB User Service API - Authentication system with KEYCLOAK - Modular architecture with services for each feature

.env-sample

@@ -3,7 +3,36 @@
 NODE_ENV=development
 PORT=3000
 
+# === CONFIGURATION DES TESTS STARTUP ===
 RUN_STARTUP_TESTS=false
+TEST_CLEANUP_DELAY_MS=100
+TEST_TIMEOUT_MS=30000
+TEST_USER_PASSWORD=SecureTempPass123!
+TEST_EMAIL_DOMAIN=dcb-test.com
+TEST_DEFAULT_PASSWORD=SecureTempPass123!
+
+# === CONFIGURATION DE SÉCURITÉ ===
+RUN_SECURITY_TESTS=false
+SECURITY_TEST_TIMEOUT=300000
+
+# === VALIDATION DES ENTREES ===
+MAX_USERNAME_LENGTH=50
+MIN_USERNAME_LENGTH=3
+ALLOWED_EMAIL_DOMAINS=dcb-test.com,pixpay.sn
+
+# === RATE LIMITING ===
+MAX_REQUESTS_PER_MINUTE=60
+RATE_LIMIT_BLOCK_DURATION=300000
+
+# === SÉCURITÉ DES SESSIONS ===
+SESSION_TIMEOUT=900000
+JWT_EXPIRATION=3600000
+
+# === SURVEILLANCE ===
+LOG_SECURITY_EVENTS=true
+SECURITY_EVENT_RETENTION_DAYS=30
+
+# === CONFIGURATION KEYCLOAK ===
 
 KEYCLOAK_SERVER_URL=https://iam.dcb.pixpay.sn
 KEYCLOAK_REALM=dcb-prod