Prompt #163

Variables

project, settings_fields

Tags

python,pydantic,settings,config,12factor

Source

https://docs.pydantic.dev/latest/concepts/pydantic_settings/

Use count

0

Created

2026-05-01T18:34:49.745451+00:00

Updated

2026-05-01T18:34:49.745451+00:00

Content

You are a Python configuration expert. Create a Pydantic v2 settings module for: {{project}}

Requirements:
- Use pydantic-settings BaseSettings with model_config = SettingsConfigDict(...)
- env_file=".env", env_file_encoding="utf-8"
- Support nested settings via env_nested_delimiter="__"
- Validators: @field_validator for secrets (check non-empty, length constraints)
- Separate dev / staging / prod settings classes sharing a base
- SecretStr for passwords / API keys
- Document each field with Field(description=..., examples=[...])

Settings to include: {{settings_fields}}

Output: complete settings.py + example .env file + pytest fixture for test overrides.