Dockerfile: include sample and index/meta files into image for Spaces

Dockerfile

@@ -1,20 +1,41 @@
+# Dockerfile — explicit copy of runtime files for Hugging Face Spaces
 FROM python:3.13.5-slim
 
+# avoid interactive prompts during apt operations
+ENV DEBIAN_FRONTEND=noninteractive
 WORKDIR /app
 
-RUN apt-get update && apt-get install -y \
-    build-essential \
-    curl \
-    git \
+# install minimal build deps some Python packages may need
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential curl git ca-certificates \
     && rm -rf /var/lib/apt/lists/*
 
-COPY requirements.txt ./
-COPY src/ ./src/
+# copy requirements and install Python deps
+COPY requirements.txt /app/requirements.txt
+RUN python -m pip install --upgrade pip
+RUN pip install --no-cache-dir -r /app/requirements.txt
 
-RUN pip3 install -r requirements.txt
+# copy the launcher, source code and config into the image
+COPY streamlit_app.py /app/streamlit_app.py
+COPY src/ /app/src/
 
+# copy runtime/sample/index/meta files explicitly into /app
+# (these are referenced by your app at runtime)
+COPY sample_tickets.json /app/sample_tickets.json
+COPY docs_corpus.jsonl /app/docs_corpus.jsonl
+COPY docs_meta.jsonl /app/docs_meta.jsonl
+# optional: FAISS binary (if you want it baked into the image)
+# If it's tracked via Git LFS this will still copy the pointer; LFS objects need to be handled appropriately.
+COPY faiss_index.bin /app/faiss_index.bin
+
+# copy streamlit config (if present)
+COPY .streamlit /app/.streamlit
+
+# expose default port (HF overrides with its own environment)
 EXPOSE 8501
 
-HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health
+# healthcheck (optional)
+HEALTHCHECK --interval=30s --timeout=3s --start-period=10s CMD curl --fail http://localhost:8501/_stcore/health || exit 1
 
-ENTRYPOINT ["streamlit", "run", "src/streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]
+# use the launcher in the repo root (streamlit_app.py)
+CMD ["streamlit", "run", "streamlit_app.py", "--server.port=8501", "--server.headless=true"]