feat: add Docker setup and CI workflows for headless server

Dockerfile

@@ -0,0 +1,20 @@
+FROM python:3.10-slim
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    libgl1-mesa-glx \
+    libglib2.0-0 \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY server/ server/
+COPY notebooks/model/ models/
+
+EXPOSE 12345
+
+ENV HOST=0.0.0.0 PORT=12345 MODEL_DIR=/app/models DATA_DIR=/app/data
+
+CMD ["python", "-u", "server/server.py"]