feat: add Docker build

server/Dockerfile

@@ -0,0 +1,11 @@
+FROM python:3.10-alpine
+
+WORKDIR /app
+EXPOSE 9999
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY src /app
+
+CMD ["python", "main.py"]