buildc: Refactor Dockerfile for improved clarity and organization

Author: experdot

sources/gc-qa-rag-server/Dockerfile

@@ -2,21 +2,29 @@ FROM python:3.13-slim
 
 WORKDIR /code
 
-# Copy files
-COPY ./pyproject.toml ./pdm.lock ./.env /code/
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
 
-# Intall pdm
-RUN pip install --no-cache-dir pdm && \
-    pdm --pep582 >> ~/.bashrc
+# Install PDM
+RUN pip install --no-cache-dir pdm
 
-# Install packages
-RUN pdm install --prod
+# Copy dependency files
+COPY ./pyproject.toml ./pdm.lock /code/
 
-# Copy codes and configurations
+# Install project dependencies
+RUN pdm install --prod --no-editable
+
+# Enable PEP 582
+ENV PYTHONPATH=/code/__pypackages__/3.13/lib
+ENV PYTHONPATH=${PYTHONPATH}:/code
+
+# Copy application code and configurations
 COPY ./ragapp /code/ragapp
-COPY ./.config.development.json ./.config.production.json /code/
+COPY ./.env ./.config.development.json ./.config.production.json /code/
 
 EXPOSE 8000
 
-# Run application
-CMD ["pdm","start"]
+# Run application (adjust this to your actual startup command)
+CMD ["pdm", "run", "start"]