backend: add db initializer logic

- Add some logging to DB Client

Create a db initializer #4

backend/Dockerfile

@@ -1,10 +1,19 @@
 FROM python:3.13-slim-bookworm
 
+# Set the PYTHONPATH environment variable
 ENV PYTHONPATH=/usr/local/lib
 
-COPY . /app
+# Set the working directory
 WORKDIR /app
 
-RUN pip3 install -r requirements.txt
+# Copy only the requirements file first
+COPY requirements.txt requirements.txt
 
-CMD ["/bin/sh", "entrypoint.sh"]
+# Install dependencies
+RUN pip3 install --no-cache-dir -r requirements.txt
+
+# Copy the rest of the application code
+COPY . .
+
+# Set the command to run your application
+CMD ["/bin/sh", "entrypoint.sh"]