diff --git a/.env.example b/.env.example
index 4e03065..ef3ba42 100644
--- a/.env.example
+++ b/.env.example
@@ -48,6 +48,14 @@ OLLAMA_BASE_URL=http://localhost:11434
 # SearXNG (self-hosted search)
 SEARXNG_URL=http://localhost:8080
 
+# =============================================================================
+# Database (PostgreSQL)
+# =============================================================================
+
+POSTGRES_HOST=localhost:5432
+POSTGRES_USER=core_api
+POSTGRES_PASSWORD=your-password
+
 # =============================================================================
 # Vector Database
 # =============================================================================
diff --git a/pyproject.toml b/pyproject.toml
index 25f8526..329ce7b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "core-api"
-version = "1.3.3"
+version = "1.3.4"
 description = "Core Code API - Infrastructure management and tools API"
 readme = "README.md"
 requires-python = ">=3.12"
diff --git a/src/config.py b/src/config.py
index 0a96c29..1aa219f 100644
--- a/src/config.py
+++ b/src/config.py
@@ -106,6 +106,17 @@ class Settings(BaseSettings):
     homeassistant_token: str  # Required - set HOMEASSISTANT_TOKEN in .env
     homeassistant_timeout: int = 30
 
+    # PostgreSQL Database
+    postgres_host: str  # Required - set POSTGRES_HOST in .env (e.g., localhost:5432)
+    postgres_user: str = "core_api"
+    postgres_password: str  # Required - set POSTGRES_PASSWORD in .env
+    postgres_database: str = "core_api"
+
+    @property
+    def database_url(self) -> str:
+        """Construct database URL from components"""
+        return f"postgresql://{self.postgres_user}:{self.postgres_password}@{self.postgres_host}/{self.postgres_database}"
+
     # OIDC Authentication (Authentik)
     oidc_enabled: bool = False  # Set to True to require authentication
     oidc_issuer: str = "https://auth.schweitz.net/application/o/core-api/"