- Fixed port variable interpolation to use ${PORT:-8000} for a default value.
- Updated volume configuration to use a named volume (guestbook_data) mounted at /data.
- Improved YAML formatting for clarity.
- Hide comment field by default.
- Add JavaScript to reveal comment field when first name, last name, and location have at least 3 characters.
- Update form instructions to inform users about the comment field.
- Display brief instructions above the guestbook form.
- Update validation: require first name, last name, and location; make email optional.
- Remove the 'required' attribute from the email input field.
- Provide context in the UI so users understand why email is optional.
- Update index.html to include a fixed, horizontally scrolling marquee at the bottom.
- Use CSS keyframes to animate guest entries, showing first name and location.
- Enhance user interface by providing a dynamic display of entries.
- Validate that first_name, last_name, email, and location are provided
- Add regex-based email format validation in app.py
- Display error messages on the guestbook form if validation fails
These changes help ensure that only properly formatted data is stored.
