Update Dockerfile

Dockerfile

@@ -1,23 +1,48 @@
-# Use a minimal base image with Python 3.9 installed
-FROM python:3.9
+# Hugging Face Docker Space - Streamlit (port 7860)
+FROM python:3.9-slim
 
-# Set the working directory inside the container to /app
-WORKDIR /app
+# -----------------------------
+# System setup
+# -----------------------------
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PIP_NO_CACHE_DIR=1
 
-# Copy all files from the current directory on the host to the container's /app directory
+# Create a non-root user (HF-friendly)
+RUN useradd -m -u 1000 user
+
+# -----------------------------
+# App setup
+# -----------------------------
+WORKDIR /home/user/app
+
+# Copy requirements first (better Docker layer caching)
+COPY requirements.txt ./requirements.txt
+
+# Install Python dependencies
+RUN pip install --upgrade pip && pip install -r requirements.txt
+
+# Copy application code
 COPY . .
 
-# Install Python dependencies listed in requirements.txt
-RUN pip3 install -r requirements.txt
+# Fix ownership (optional but recommended)
+RUN chown -R user:user /home/user/app
 
-RUN useradd -m -u 1000 user
+# Switch to non-root user
 USER user
 ENV HOME=/home/user \
-	PATH=/home/user/.local/bin:$PATH
-
-WORKDIR $HOME/app
+    PATH=/home/user/.local/bin:$PATH
 
-COPY --chown=user . $HOME/app
+# Hugging Face expects the service on port 7860
+ENV PORT=7860
+EXPOSE 7860
 
-# Define the command to run the Streamlit app on port "8501" and make it accessible externally
-CMD ["streamlit", "run", "app.py", "--server.port=8501", "--server.address=0.0.0.0", "--server.enableXsrfProtection=false"]
+# -----------------------------
+# Run Streamlit
+# -----------------------------
+CMD ["streamlit", "run", "app.py", \
+     "--server.address=0.0.0.0", \
+     "--server.port=7860", \
+     "--server.headless=true", \
+     "--browser.gatherUsageStats=false", \
+     "--server.enableXsrfProtection=false"]