diff --git a/backend/services/workspace/app/core/config.py b/backend/services/workspace/app/core/config.py
index 2f87d3f..8d55dbd 100644
--- a/backend/services/workspace/app/core/config.py
+++ b/backend/services/workspace/app/core/config.py
@@ -22,14 +22,22 @@ class Settings(BaseSettings):
     auth_required: bool = True
     entitlement_stub: bool = True
     keycloak_enabled: bool = True
-    keycloak_server_url: str = "http://localhost:8080"
-    keycloak_public_url: str = ""
-    keycloak_realm: str = "superapp"
+    keycloak_server_url: str = Field(default="http://localhost:8080", validation_alias="KEYCLOAK_SERVER_URL")
+    keycloak_public_url: str = Field(default="", validation_alias="KEYCLOAK_PUBLIC_URL")
+    keycloak_realm: str = Field(default="superapp", validation_alias="KEYCLOAK_REALM")
     jwt_algorithm: str = "RS256"
     jwt_audience: str = "account"
     jwt_verify_signature: bool = True
     cors_origins: str = "http://localhost:3000,http://127.0.0.1:3000"
 
+    @property
+    def keycloak_public_base(self) -> str:
+        return (self.keycloak_public_url or self.keycloak_server_url).rstrip("/")
+
+    @property
+    def keycloak_public_realm_url(self) -> str:
+        return f"{self.keycloak_public_base}/realms/{self.keycloak_realm}"
+
     @property
     def cors_origin_list(self):
         return [x.strip() for x in self.cors_origins.split(",") if x.strip()]
diff --git a/backend/services/workspace/app/core/security.py b/backend/services/workspace/app/core/security.py
index e9da78c..daf52cc 100644
--- a/backend/services/workspace/app/core/security.py
+++ b/backend/services/workspace/app/core/security.py
@@ -1,16 +1,34 @@
+from functools import lru_cache
+
 from fastapi import Depends
 from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
 
 from app.core.config import settings
+from shared.auth import JWTSettings, JWTValidator
 from shared.exceptions import UnauthorizedError
 from shared.security import CurrentUser
 
 bearer = HTTPBearer(auto_error=False)
 
 
+@lru_cache
+def get_jwt_validator() -> JWTValidator:
+    return JWTValidator(
+        JWTSettings(
+            keycloak_enabled=settings.keycloak_enabled,
+            keycloak_server_url=settings.keycloak_server_url,
+            keycloak_realm=settings.keycloak_realm,
+            jwt_algorithm=settings.jwt_algorithm,
+            jwt_audience=settings.jwt_audience,
+            jwt_verify_signature=settings.jwt_verify_signature,
+            jwt_issuer=settings.keycloak_public_realm_url,
+        )
+    )
+
+
 async def get_current_user(credentials: HTTPAuthorizationCredentials | None = Depends(bearer)):
     if not settings.auth_required:
         return CurrentUser(user_id="test-user", username="test", roles=["tenant_admin"])
-    if not credentials:
-        raise UnauthorizedError("Authentication required")
-    return CurrentUser(user_id="token-user", username="token", roles=[])
+    if credentials is None or not credentials.credentials:
+        raise UnauthorizedError("توکن احراز هویت ارائه نشده است")
+    return await get_jwt_validator().validate(credentials.credentials)
diff --git a/docker-compose.yml b/docker-compose.yml
index 1c47186..a07de84 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -460,6 +460,10 @@ services:
       WORKSPACE_DATABASE_URL_SYNC: ${WORKSPACE_DATABASE_URL_SYNC:-postgresql+psycopg://superapp:superapp_password@postgres:5432/workspace_db}
       CORE_SERVICE_URL: ${CORE_SERVICE_URL:-http://core-service:8000}
       AUTH_REQUIRED: ${AUTH_REQUIRED:-true}
+      KEYCLOAK_SERVER_URL: ${KEYCLOAK_SERVER_URL:-http://keycloak:8080}
+      KEYCLOAK_PUBLIC_URL: ${KEYCLOAK_PUBLIC_URL:-http://localhost:8080}
+      KEYCLOAK_REALM: ${KEYCLOAK_REALM:-superapp}
+      JWT_VERIFY_SIGNATURE: ${JWT_VERIFY_SIGNATURE:-true}
     ports:
       - "8013:8013"
     volumes: