singularity-forge/docker/Dockerfile.sandbox

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# ──────────────────────────────────────────────
# GSD Docker Sandbox Template
# Base: docker/sandbox-templates:shell
# Purpose: Isolated environment for GSD auto mode
# Usage: docker sandbox create --template ./docker
# ──────────────────────────────────────────────
FROM node:22-bookworm-slim
# System dependencies required by GSD
RUN apt-get update && apt-get install -y --no-install-recommends \
git \
curl \
ca-certificates \
openssh-client \
&& rm -rf /var/lib/apt/lists/*
# Install GSD globally — version controlled via build arg
ARG GSD_VERSION=latest
RUN npm install -g gsd-pi@${GSD_VERSION}
# Create non-root user for sandbox isolation
RUN groupadd --gid 1000 gsd \
&& useradd --uid 1000 --gid gsd --shell /bin/bash --create-home gsd
# Persistent GSD state directory
RUN mkdir -p /home/gsd/.gsd && chown -R gsd:gsd /home/gsd/.gsd
# Workspace directory — synced from host via Docker sandbox
WORKDIR /workspace
RUN chown gsd:gsd /workspace
USER gsd
# Expose default GSD web UI port
EXPOSE 3000
ENTRYPOINT ["gsd"]
CMD ["--help"]