init commit. Skeleton prepared

services/chat/Dockerfile

@@ -0,0 +1,17 @@
+FROM python:3.12-slim
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1
+
+WORKDIR /app
+COPY requirements.txt .
+RUN pip install --no-cache-dir --upgrade pip \
+ && pip install --no-cache-dir -r requirements.txt
+
+COPY src ./src
+COPY alembic.ini ./
+COPY alembic ./alembic
+COPY docker-entrypoint.sh ./
+ENV PYTHONPATH=/app/src
+EXPOSE 8000
+CMD ["./docker-entrypoint.sh"]