fix: split pip installs, add error logging, increase healthcheck start-period

Author: mnm-matin

spaces/imagenette-clip-hycoclip/Dockerfile

@@ -21,10 +21,11 @@ WORKDIR $HOME/app
 
 RUN pip install --upgrade pip
 
-# Install latest releases from PyPI.
+# Install latest releases from PyPI (split for better build caching & logging).
 # For reproducible builds, pin versions here:
-# RUN pip install --upgrade hyperview==0.1.1 hyper-models==0.1.0
-RUN pip install --upgrade hyperview hyper-models
+# RUN pip install hyperview==0.1.1 hyper-models==0.1.0
+RUN pip install hyperview && python -c "import hyperview; print('hyperview', hyperview.__version__)"
+RUN pip install hyper-models && python -c "import hyper_models; print('hyper_models', hyper_models.__version__)"
 
 COPY --chown=user demo.py ./demo.py
 
@@ -41,7 +42,7 @@ ENV HOST=0.0.0.0 \
 
 EXPOSE 7860
 
-HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
+HEALTHCHECK --interval=30s --timeout=10s --start-period=120s --retries=3 \
     CMD curl -f http://localhost:7860/__hyperview__/health || exit 1
 
 CMD ["python", "demo.py"]

spaces/imagenette-clip-hycoclip/demo.py

@@ -121,7 +121,13 @@ def main() -> None:
 
     if len(dataset) == 0 or not dataset.list_layouts():
         print("Preparing demo dataset...")
-        _ensure_demo_ready(dataset)
+        try:
+            _ensure_demo_ready(dataset)
+        except Exception as exc:
+            import traceback
+            traceback.print_exc()
+            print(f"\nFATAL: demo setup failed: {type(exc).__name__}: {exc}", file=sys.stderr)
+            sys.exit(1)
     else:
         print(
             f"Loaded cached dataset '{DATASET_NAME}' with "