BAI-29: add Docker deployment

Co-authored-by: multica-agent <github@multica.ai>

Dockerfile

@@ -0,0 +1,27 @@
+FROM python:3.12-slim
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PYTHONPATH=/app/src \
+    APP_HOST=0.0.0.0 \
+    APP_PORT=4173
+
+WORKDIR /app
+
+RUN addgroup --system app && adduser --system --ingroup app app
+
+COPY requirements.txt ./
+RUN python -m pip install --no-cache-dir --requirement requirements.txt
+
+COPY server.py ./
+COPY src ./src
+COPY web ./web
+
+USER app
+
+EXPOSE 4173
+
+HEALTHCHECK --interval=10s --timeout=3s --start-period=5s --retries=5 \
+  CMD ["python", "-c", "import os, urllib.request; port = os.getenv('APP_PORT', '4173'); urllib.request.urlopen(f'http://127.0.0.1:{port}/', timeout=2)"]
+
+CMD ["python", "server.py"]