Dockerfile

FROM ubuntu:22.04

ENV DEBIAN_FRONTEND=noninteractive

# ---- Base packages ----
RUN apt-get update && apt-get install -y --no-install-recommends \
    curl \
    git \
    ca-certificates \
    sudo \
    && rm -rf /var/lib/apt/lists/*

# ---- Install code-server (fixed version, no redirect issues) ----
RUN curl -fL https://github.com/coder/code-server/releases/download/v4.89.1/code-server_4.89.1_amd64.deb -o code-server.deb \
    && apt-get update \
    && apt-get install -y ./code-server.deb \
    && rm code-server.deb \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /workspace

EXPOSE 7860

CMD ["code-server", "--bind-addr", "0.0.0.0:7860", "--auth", "none"]