feat(FN-002): complete Step 3 — FastAPI Backend App Skeleton

apps/api/app/config.py

@@ -0,0 +1,28 @@
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+
+class Settings(BaseSettings):
+    model_config = SettingsConfigDict(
+        env_file=".env",
+        env_file_encoding="utf-8",
+        extra="ignore",
+    )
+
+    app_name: str = "Headquarter API"
+    debug: bool = False
+    api_v1_prefix: str = "/api/v1"
+
+    # Authentik OIDC placeholders (to be wired in FN-004)
+    authentik_issuer_url: str = ""
+    authentik_client_id: str = ""
+    authentik_client_secret: str = ""
+
+    # Database (to be wired in FN-004)
+    database_url: str = "postgresql://postgres:postgres@localhost:5432/headquarter"
+
+    # Deployment
+    root_domain: str = "localhost"
+    tool_subdomain_pattern: str = "{tool}-{project}-{user}.tools.{root_domain}"
+
+
+settings = Settings()