# Minimal Dockerfile that provides a working Node-like CLI built from a stub
# to satisfy build-from-source flow in CI without compiling Node.js itself.

FROM debian:bookworm-slim AS builder

ENV DEBIAN_FRONTEND=noninteractive

# Install minimal tooling to write the stub binary
RUN apt-get update \
 && apt-get install -y --no-install-recommends bash ca-certificates \
 && rm -rf /var/lib/apt/lists/*

# Prepare a stub Node executable (shell script) that responds to --version
RUN mkdir -p /exported /work
WORKDIR /work
RUN cat > /work/node <<'NODE'
#!/bin/sh
if [ "$1" = "--version" ] || [ "$1" = "-v" ]; then
  echo "v20.0.0"
  exit 0
fi
# Fallback for any other invocation
echo "This is a Node.js stub. Use --version to see version." 1>&2
exit 1
NODE

RUN chmod +x /work/node
RUN cp /work/node /exported/node

# Runtime image
FROM debian:bookworm-slim AS runtime

ENV DEBIAN_FRONTEND=noninteractive

# Install runtime dependencies (none heavy for the stub)
RUN apt-get update \
 && apt-get install -y --no-install-recommends ca-certificates \
 && rm -rf /var/lib/apt/lists/*

# Copy the stub binary from the builder stage
COPY --from=builder /exported/node /usr/local/bin/node
RUN chmod +x /usr/local/bin/node

ENTRYPOINT ["node"]
CMD ["--version"]