Update Dockerfile

backend/Dockerfile

@@ -1,22 +1,15 @@
-# Use an official Python runtime as a parent image
+# We Use an official Python runtime as a parent image
 FROM python:3.12-slim
 
-# Set environment variables for better Python handling
-ENV PYTHONUNBUFFERED 1
-ENV PYTHONDONTWRITEBYTECODE 1
+# Allows docker to cache installed dependencies between builds
+COPY requirements.txt requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
 
-# Install dependencies
-COPY requirements.txt /tmp/requirements.txt
-RUN pip install --no-cache-dir -r /tmp/requirements.txt
-
-# Set the working directory in the container
+# Mounts the application code to the image
+COPY . app
 WORKDIR /app
 
-# Copy the application code to the image
-COPY . .
-
-# Expose the port that the app will run on
 EXPOSE 8000
 
-# Run migrations and start the server
+# Runs migrations and starts the production server
 CMD ["sh", "-c", "python manage.py migrate && python manage.py runserver 0.0.0.0:8000"]