Update Dockerfile

Dockerfile

@@ -1,26 +1,18 @@
-# Use official Python 3.11 slim image
-FROM python:3.11-slim
+# Use Python image
+FROM python:3.9
 
-# Set environment variables
-ENV PYTHONUNBUFFERED=1 \
-    PORT=7860 \
-    DASH_DEBUG_MODE=0
+# Set the working directory inside the container
+WORKDIR /code
 
-# Set working directory
-WORKDIR /app
-
-# Copy requirements first for caching
-COPY requirements.txt .
+# Copy the requirements file from the root
+COPY ./requirements.txt /code/requirements.txt
 
 # Install dependencies
-RUN pip install --no-cache-dir --upgrade pip \
-    && pip install --no-cache-dir -r requirements.txt
-
-# Copy all project files
-COPY . .
+RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
 
-# Expose the port your app will run on
-EXPOSE 7860
+# Copy all files and folders (including 'pages' and 'assets')
+COPY . /code
 
-# Command to run the Dash app with gunicorn
-CMD ["gunicorn", "app:server", "--bind", "0.0.0.0:7860", "--workers", "1"]
+# Start the app using Gunicorn on port 7860
+# This assumes your main file is 'app.py' and it contains 'server = app.server'
+CMD ["gunicorn", "-b", "0.0.0.0:7860", "app:server"]