Fail to run `python3 src/fastapi_app/seed_data.py` command

[jerryshia]

Describe the issue:
Running python3 src/fastapi_app/seed_data.py reports an error: cold not translate host name "", the. env file has not been configured correctly.

Repro Steps:

1. Fork this repository.
2. Open this repository from Codespace.
3. Run cp .env.sample .env.
4. Run python3 -m pip install -r src/requirements.txt.
5. Run python3 -m pip install -e src.
6. Run python3 src/fastapi_app/seed_data.py.

Environment:

• Azd version:azd version 1.9.5 (commit cd2b7af9995d358aab33c782614f801ac1997dde)
• OS: Windows 11

Expected Behavior:
Run python3 src/fastapi_app/seed_data.py successfully.

@bobtabor-msft and @hemarina for notification.

[pamelafox]

Ah @JimacoMS4 Did you change the default values to placeholders instead of actual values? If so, the readme needs to change. I think I set them to the devcontainer values for ease of .env copying.