Healthcheck always unhealthy

I have installed CFSynch using Docker Compose. The healthcheck is always "unhealthy"
The issue seems to be that curl is not installed in the container:

<img width="1705" height="1234" alt="Image" src="https://github.com/user-attachments/assets/d8cd07dc-0535-4d5a-8e91-f6633dddc9a0" />