Create Dockerfile

Dockerfile

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+FROM ubuntu:22.04
+
+LABEL description="Code Server · HF Spaces · Full Dev Environment"
+
+ENV DEBIAN_FRONTEND=noninteractive
+ENV HOME=/root
+ENV SHELL=/bin/bash
+ENV LANG=en_US.UTF-8
+ENV LC_ALL=en_US.UTF-8
+
+# ── Base system ────────────────────────────────────────────────────────────
+RUN apt-get update && apt-get install -y \
+    curl wget git git-lfs \
+    vim nano htop tree watch \
+    python3 python3-pip python3-venv python3-dev \
+    build-essential pkg-config cmake \
+    sudo locales \
+    jq unzip zip tar gzip \
+    ca-certificates gnupg lsb-release \
+    openssh-client \
+    ripgrep \
+    procps \
+    && locale-gen en_US.UTF-8 \
+    && rm -rf /var/lib/apt/lists/*
+
+# ── Node.js 20 LTS ─────────────────────────────────────────────────────────
+RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
+    && apt-get install -y nodejs \
+    && npm install -g yarn pnpm \
+    && rm -rf /var/lib/apt/lists/*
+
+# ── GitHub CLI ─────────────────────────────────────────────────────────────
+RUN curl -fsSL https://cli.github.com/packages/githubcli-archive-keyring.gpg \
+      | dd of=/usr/share/keyrings/githubcli-archive-keyring.gpg \
+    && chmod go+r /usr/share/keyrings/githubcli-archive-keyring.gpg \
+    && echo "deb [arch=$(dpkg --print-architecture) \
+      signed-by=/usr/share/keyrings/githubcli-archive-keyring.gpg] \
+      https://cli.github.com/packages stable main" \
+      | tee /etc/apt/sources.list.d/github-cli.list > /dev/null \
+    && apt-get update && apt-get install -y gh \
+    && rm -rf /var/lib/apt/lists/*
+
+# ── code-server ────────────────────────────────────────────────────────────
+RUN curl -fsSL https://code-server.dev/install.sh | sh \
+    && rm -rf /tmp/code-server*
+
+# ── Python packages ────────────────────────────────────────────────────────
+RUN pip3 install --no-cache-dir \
+    ipykernel \
+    requests httpx \
+    numpy pandas \
+    black isort pylint \
+    huggingface_hub
+
+# ── Dirs ───────────────────────────────────────────────────────────────────
+RUN mkdir -p /root/.config/code-server /workspace
+
+COPY start.sh /start.sh
+RUN chmod +x /start.sh
+
+WORKDIR /workspace
+EXPOSE 7860
+CMD ["/start.sh"]