Update Dockerfile

Dockerfile

@@ -1,43 +1,37 @@
 # Use an official Python runtime as a parent image
 FROM python:3.9-slim
 
-# Set environment variables for Python and Matplotlib
+# Set environment variables for Python
 ENV PYTHONDONTWRITEBYTECODE 1
 ENV PYTHONUNBUFFERED 1
-ENV MPLCONFIGDIR=/app/.config/matplotlib
 
-# Set the working directory inside the container
+# Set the working directory
 WORKDIR /app
 
-# Install system dependencies required by OpenCV and other libraries
+# Install system dependencies, including libgomp
 RUN apt-get update && apt-get install -y \
-    libgl1 \
-    libglib2.0-0 \
-    libsm6 \
-    libxext6 \
-    libxrender1 \
+    libgl1-mesa-glx \
+    libgomp1 \
     && rm -rf /var/lib/apt/lists/*
 
 # Copy the requirements file into the container at /app
 COPY requirements.txt /app/
 
-# Install the dependencies specified in requirements.txt
+# Install any needed packages specified in requirements.txt
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Create necessary directories and set proper permissions
-RUN mkdir -p /app/uploads /app/static/uploads /app/static/results /tmp/flask_sessions /app/flask_sessions /app/models /app/.config/matplotlib && \
-    chmod -R 777 /app/uploads /app/static/uploads /app/static/results /tmp/flask_sessions /app/flask_sessions /app/models /app/.config/matplotlib
+# Create directories for session storage and uploads
+RUN mkdir -p /app/flask_sessions /app/uploads && chmod -R 777 /app/flask_sessions /app/uploads
 
-# Copy the entire application code to /app
+# Copy the rest of the application code to /app
 COPY . /app/
 
-# Expose the port used by the Flask app
+# Expose the port that the app runs on
 EXPOSE 7860
 
 # Set environment variables for Flask
 ENV FLASK_APP=app.py
 ENV FLASK_ENV=production
-ENV SESSION_FILE_DIR=/app/flask_sessions
 
-# Run the application with Gunicorn, setting workers and timeout
+# Command to run the Flask app using Gunicorn
 CMD ["gunicorn", "-w", "1", "-b", "0.0.0.0:7860", "--timeout", "120", "app:app"]