singularity-forge/docker/Dockerfile.sandbox
2026-05-08 03:01:20 +02:00

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# ──────────────────────────────────────────────
# SF Docker Sandbox Template
# Base: docker/sandbox-templates:shell
# Purpose: Isolated environment for SF auto mode
# Usage: docker sandbox create --template ./docker
# ──────────────────────────────────────────────
FROM node:26-bookworm-slim
# System dependencies required by SF
RUN apt-get update && apt-get install -y --no-install-recommends \
git \
curl \
ca-certificates \
openssh-client \
gosu \
libsecret-1-0 \
&& rm -rf /var/lib/apt/lists/*
# Install SF globally — version controlled via build arg
ARG SF_VERSION=latest
RUN npm install -g singularity-forge@${SF_VERSION}
# Create non-root user for sandbox isolation
RUN groupadd --gid 1000 sf \
&& useradd --uid 1000 --gid sf --shell /bin/bash --create-home sf
# Persistent SF state directory
RUN mkdir -p /home/sf/.sf && chown -R sf:sf /home/sf/.sf
# Workspace directory — synced from host via Docker sandbox
WORKDIR /workspace
RUN chown sf:sf /workspace
# Entrypoint handles UID/GID remapping, bootstrap, and drops to sf user
COPY entrypoint.sh /usr/local/bin/entrypoint.sh
COPY bootstrap.sh /usr/local/bin/bootstrap.sh
RUN chmod +x /usr/local/bin/entrypoint.sh /usr/local/bin/bootstrap.sh
# Expose default SF web UI port
EXPOSE 3000
ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]
CMD ["sf", "--help"]