bug fix

Dockerfile

@@ -1,19 +1,30 @@
 FROM python:3.10
 
 # Create a directory for the application and set permissions
-RUN mkdir -p /app && \
-    chown -R $USER:$USER /app
+# Set environment variables
+ENV VIRTUAL_ENV=/opt/venv
+ENV PATH="$VIRTUAL_ENV/bin:$PATH"
 
-# Set the working directory
+# Install system dependencies
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+    python3-venv \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set up virtual environment
+RUN python3 -m venv $VIRTUAL_ENV
+
+# Set working directory
 WORKDIR /app
 
-# Copy requirements file and install dependencies
+# Copy requirements file
 COPY ./req.txt /app/req.txt
-RUN pip install --upgrade pip && \
-    pip install --no-cache-dir -r req.txt
 
-# Copy the application code
+# Activate virtual environment and install project dependencies
+RUN /bin/bash -c "source $VIRTUAL_ENV/bin/activate && pip install --upgrade pip && pip install --no-cache-dir -r req.txt"
+
+# Copy application code
 COPY . /app
 
-# Run the application
-CMD ["python", "app.py"]
+# Run the application within the virtual environment
+CMD ["/opt/venv/bin/python", "app.py"]