Create Dockerfile

Dockerfile

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+FROM ubuntu:22.04
+
+ENV DEBIAN_FRONTEND=noninteractive
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+
+# ---- Base system ----
+RUN apt-get update && apt-get install -y --no-install-recommends \
+  ca-certificates curl git bash jq \
+  python3 python3-pip python3-venv \
+  build-essential pkg-config \
+  gnupg \
+  && rm -rf /var/lib/apt/lists/*
+
+# ---- Node 20 LTS (required) ----
+RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
+  && apt-get update && apt-get install -y --no-install-recommends nodejs \
+  && rm -rf /var/lib/apt/lists/*
+
+RUN node -v && npm -v && python3 -V
+
+# ---- App user ----
+RUN useradd -m -u 1000 appuser
+USER appuser
+WORKDIR /home/appuser/app
+ENV PATH="/home/appuser/.local/bin:${PATH}"
+
+# ---- Python deps ----
+COPY requirements.txt .
+RUN pip3 install --no-cache-dir -r requirements.txt
+
+# ---- Node deps ----
+COPY package.json .
+RUN npm install --omit=dev
+
+# ---- App code ----
+COPY server.py .
+COPY mcp.js .
+COPY ui.html .
+COPY start.sh .
+
+RUN chmod +x start.sh
+
+EXPOSE 7860
+
+# ---- Single entrypoint (NO supervisor yet) ----
+CMD ["./start.sh"]