Add docker

backend/Dockerfile

@@ -0,0 +1,18 @@
+FROM python:3.13.7-bookworm
+
+WORKDIR /app
+
+RUN pip install --no-cache-dir poetry
+
+COPY pyproject.toml poetry.lock ./
+
+RUN poetry config virtualenvs.create false && \
+    poetry install --no-interaction --no-ansi --no-root
+
+COPY app/ ./app
+COPY alembic.ini .
+COPY scripts ./scripts
+
+RUN chmod +x /app/scripts/prestart.sh
+
+CMD ["python", "-m", "app.main"]