feat: project skeleton

- infra (k8s, kind, helm, docker) backbone is implemented
- security: implementation + unit tests are done

app/config.py

@@ -0,0 +1,34 @@
+"""Application configuration via pydantic-settings."""
+
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+
+class Settings(BaseSettings):
+    """Application settings loaded from environment variables."""
+
+    model_config = SettingsConfigDict(
+        env_file=".env",
+        env_file_encoding="utf-8",
+        case_sensitive=False,
+    )
+
+    # Database
+    database_url: str
+
+    # Redis
+    redis_url: str = "redis://localhost:6379/0"
+
+    # JWT
+    jwt_secret_key: str
+    jwt_algorithm: str = "HS256"
+    jwt_issuer: str = "incidentops"
+    jwt_audience: str = "incidentops-api"
+    access_token_expire_minutes: int = 15
+    refresh_token_expire_days: int = 30
+
+    # Application
+    debug: bool = False
+    api_v1_prefix: str = "/v1"
+
+
+settings = Settings()