Update Dockerfile

Dockerfile

@@ -1,47 +1,65 @@
-# Use Python 3.10 (stable for faiss, pymupdf, transformers)
+# ============================================================
+# 🧩 Enterprise Knowledge Assistant — Hugging Face Space Dockerfile
+# ============================================================
+
+# ✅ Use Python 3.10 — stable for FAISS, PyMuPDF, Transformers
 FROM python:3.10-slim
 
-# Set work directory
+# ------------------------------------------------------------
+# 1️⃣ Set working directory
+# ------------------------------------------------------------
 WORKDIR /app
 
-# -------------------------------
-# Environment & Streamlit Settings
-# -------------------------------
+# ------------------------------------------------------------
+# 2️⃣ Environment variables
+# ------------------------------------------------------------
+# - PYTHONUNBUFFERED: ensures logs show up live
+# - HF_*: route all Hugging Face model cache to writable folder (/app/hf_cache)
+# - STREAMLIT server flags: make Streamlit work inside HF Space
 ENV PYTHONUNBUFFERED=1 \
-    PORT=8501 \
-    HF_HOME=/tmp/hf_cache \
-    TRANSFORMERS_CACHE=/tmp/hf_cache \
-    HF_DATASETS_CACHE=/tmp/hf_cache \
-    HF_MODULES_CACHE=/tmp/hf_cache \
-    STREAMLIT_SERVER_ENABLECORS=true \
-    STREAMLIT_SERVER_ENABLEXSRFPROTECTION=false \
-    STREAMLIT_CLIENT_SHOWERRORDETAILS=true
-
-# -------------------------------
-# Install system dependencies
-# -------------------------------
+    HF_HOME=/app/hf_cache \
+    TRANSFORMERS_CACHE=/app/hf_cache \
+    HF_DATASETS_CACHE=/app/hf_cache \
+    HF_MODULES_CACHE=/app/hf_cache
+
+# ------------------------------------------------------------
+# 3️⃣ Install system dependencies
+# ------------------------------------------------------------
 RUN apt-get update && apt-get install -y \
     build-essential \
     git \
     && rm -rf /var/lib/apt/lists/*
 
-# -------------------------------
-# Install Python dependencies
-# -------------------------------
+# ------------------------------------------------------------
+# 4️⃣ Copy requirements first for Docker layer caching
+# ------------------------------------------------------------
 COPY requirements.txt .
+
+# ------------------------------------------------------------
+# 5️⃣ Install Python dependencies
+# ------------------------------------------------------------
 RUN pip install --no-cache-dir -r requirements.txt
 
-# -------------------------------
-# Copy all app code into container
-# -------------------------------
+# ------------------------------------------------------------
+# 6️⃣ Copy the entire app
+# ------------------------------------------------------------
 COPY . .
 
-# -------------------------------
-# Expose Streamlit default port
-# -------------------------------
+# ------------------------------------------------------------
+# 7️⃣ Create cache folder with proper permissions
+# ------------------------------------------------------------
+RUN mkdir -p /app/hf_cache && chmod -R 777 /app/hf_cache
+
+# ------------------------------------------------------------
+# 8️⃣ Expose Streamlit’s default port
+# ------------------------------------------------------------
 EXPOSE 8501
 
-# -------------------------------
-# Launch Streamlit app
-# -------------------------------
-CMD ["streamlit", "run", "src/streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]
+# ------------------------------------------------------------
+# 9️⃣ Start Streamlit with flags to fix upload (403) and XSRF issues
+# ------------------------------------------------------------
+CMD ["streamlit", "run", "src/streamlit_app.py", \
+    "--server.port=8501", \
+    "--server.address=0.0.0.0", \
+    "--server.enableXsrfProtection=false", \
+    "--server.enableCORS=true"]