Update Dockerfile

Dockerfile

@@ -1,38 +1,31 @@
-# Use a slim Python base image
+# Use Python 3.9 slim image as base
 FROM python:3.9-slim
 
-# Set the working directory in the container
+# Set working directory
 WORKDIR /app
 
-# --- FIX FOR PERMISSION ERROR ---
-# Set the STREAMLIT_HOME environment variable to a writable directory.
-ENV STREAMLIT_HOME=/app/.streamlit
-
-# Explicitly create the directory.
-RUN mkdir -p $STREAMLIT_HOME
-
-# Copy the requirements file and application code first
-COPY requirements.txt ./requirements.txt
-COPY . .
-
-# Change ownership of the app directory to the default non-root user (often 'appuser' or uid 1000)
-# This is the key fix for permission errors on platforms like Hugging Face Spaces.
-RUN chown -R 1000:1000 /app
-
-# Install system dependencies that may be needed by the Python libraries
+# Install system dependencies
 RUN apt-get update && apt-get install -y \
     build-essential \
-    libxrender1 \
-    libxext6 \
+    curl \
+    software-properties-common \
+    git \
     && rm -rf /var/lib/apt/lists/*
 
-# Install the Python dependencies
-RUN pip install --no-cache-dir --upgrade pip && \
-    pip install --no-cache-dir -r requirements.txt
+# Copy requirements first to leverage Docker cache
+COPY requirements.txt .
 
-# Expose the port that Streamlit will run on (Hugging Face default is 7860)
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the application code
+COPY . .
+
+# Expose the port that Streamlit runs on
 EXPOSE 7860
 
-# Command to run the Streamlit app
-# The --server.headless=true flag is recommended for containerized environments
-CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.headless=true"]
+# Add healthcheck
+HEALTHCHECK CMD curl --fail http://localhost:7860/_stcore/health
+
+# Run the Streamlit app
+CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0"]