first to addDB service

db_service/Dockerfile

@@ -0,0 +1,20 @@
+FROM python:3.11-slim
+
+# Prevent Python from buffering stdout/stderr so logs appear immediately
+ENV PYTHONUNBUFFERED=1
+
+# Install system dependencies (none needed for asyncpg on slim)
+
+WORKDIR /app
+
+# Install Python dependencies first to leverage Docker layer caching
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy service source code only after dependencies
+COPY . /app
+
+EXPOSE 8000
+
+# Use Uvicorn as the ASGI server
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]