Fix Dockerfile - use script to download model

Dockerfile

@@ -6,19 +6,10 @@ COPY src/ src/
 COPY pyproject.toml .
 COPY uv.lock .
 COPY README.md .
+COPY download_model.py .
 
 RUN pip install uv && uv sync --frozen
-
-RUN pip install huggingface_hub && \
-    python -c "
-from huggingface_hub import hf_hub_download
-hf_hub_download(
-    repo_id='mg643/brewmatch_classical',
-    repo_type='model',
-    filename='classical.pkl',
-    local_dir='/app/models/checkpoints'
-)
-"
+RUN pip install huggingface_hub && python download_model.py
 
 EXPOSE 7860
 ENV FLASK_HOST=0.0.0.0

download_model.py

@@ -0,0 +1,11 @@
+from huggingface_hub import hf_hub_download
+import os
+
+os.makedirs("/app/models/checkpoints", exist_ok=True)
+
+hf_hub_download(
+    repo_id="mg643/brewmatch-classical",
+    repo_type="model",
+    filename="classical.pkl",
+    local_dir="/app/models/checkpoints"
+)