Update Dockerfile.test

backend/tests/Dockerfile.test

@@ -1,20 +1,20 @@
 # Use an official Python runtime as a parent image
-FROM python:3.9-slim
+FROM python:3.12-slim
 
-# Set the working directory in the container
+# Set the working directory to /app
 WORKDIR /app
 
-# Set environment variable to ensure unbuffered output (for better logging)
-ENV PYTHONUNBUFFERED 1
+# Copy the requirements file from the root directory to the container
+COPY ../requirements.txt /app/requirements.txt
 
-# Copy the requirements file into the container
-COPY requirements.txt /app/requirements.txt
-
-# Install dependencies (including coverage)
+# Install dependencies including 'coverage'
 RUN pip install --no-cache-dir -r /app/requirements.txt coverage
 
-# Copy the entire codebase into the container
-COPY . /app/
+# Copy the application code into the container
+COPY . /app
+
+# Expose the application port (optional, if you plan to run it with a server)
+EXPOSE 8000
 
-# Run the tests with coverage
-CMD ["python", "manage.py", "test", "--coverage", "--coverage-report=coverage.xml"]
+# Run tests with coverage and generate a report
+CMD ["sh", "-c", "coverage run --source='.' manage.py test && coverage report"]