# Dockerfile.installer
# Builds the livetrace Windows installer (.exe) using NSIS on Linux.
#
# Usage (from your project root):
#   docker build -f Dockerfile.installer -t livetrace-installer .
#   docker run --rm -v "$PWD/dist":/out livetrace-installer
#
# The finished installer lands at ./dist/livetrace-3.3.2-setup.exe

FROM debian:bookworm-slim

# Install NSIS (makensis) — no Go needed, binary is pre-built
RUN apt-get update && \
    apt-get install -y --no-install-recommends nsis && \
    rm -rf /var/lib/apt/lists/*

WORKDIR /build

# Copy the NSIS script and helper
COPY installer/livetrace-installer.nsi .
COPY installer/EnvVarUpdate.nsh        .

# Copy the pre-built Windows binary from dist/
COPY dist/livetrace-windows-amd64.exe .

# Build the installer
RUN makensis livetrace-installer.nsi

# Default: copy the output to /out (bind-mount your dist/ folder there)
CMD ["sh", "-c", "cp livetrace-*.exe /out/ && echo 'Installer written to /out/'"]