FROM ruby:3.2-slim
ENV LANG=C.UTF-8

RUN apt-get update -qq && apt-get install -y --no-install-recommends \
  build-essential \
  patch \
  git \
  curl \
  ca-certificates \
  zlib1g-dev \
  liblzma-dev \
  libreadline-dev \
  make \
  && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Copy the repository
COPY . .

# Initialize a git repository to satisfy gemspec's file listing
RUN git init \
  && git add -A \
  && git status

# Build and install the gem from source
RUN gem build solargraph.gemspec && \
  gem install --no-document solargraph-*.gem

CMD ["solargraph", "stdio"]