Update Dockerfile.test

backend/tests/Dockerfile.test

@@ -1,21 +1,26 @@
-# Use an official Python runtime as a base image
-FROM python:3.11-slim
-
-# Set environment variables
-ENV PYTHONUNBUFFERED=1
+# Use an official Python runtime as a parent image
+FROM python:3.9-buster
 
 # Set the working directory
 WORKDIR /app
 
-# Install system dependencies (if needed)
-RUN apt-get update && apt-get install -y gcc libpq-dev && rm -rf /var/lib/apt/lists/*
+# Add Google's public DNS for name resolution
+RUN echo "nameserver 8.8.8.8" > /etc/resolv.conf
+
+# Install system dependencies (including gcc and libpq-dev)
+RUN apt-get update && \
+    apt-get install -y apt-transport-https gcc libpq-dev && \
+    rm -rf /var/lib/apt/lists/*
 
 # Copy the requirements file into the container and install dependencies
 COPY requirements.txt /app/requirements.txt
 RUN pip install --no-cache-dir -r /app/requirements.txt coverage
 
-# Copy the Django project (assuming you want the whole backend code)
-COPY ../../ /app/
+# Copy the rest of the application files
+COPY . /app/
+
+# Set environment variables
+ENV PYTHONUNBUFFERED 1
 
-# Run Django tests with coverage
-CMD ["sh", "-c", "coverage run --source=. manage.py test && coverage report -m && coverage html"]
+# Run tests with coverage
+CMD ["python", "manage.py", "test", "--coverage"]