FROM debian:stable

# for basic Forgejo + AsciiDoctor support
RUN apt update && apt install -y --no-install-recommends nodejs git ruby-rubygems make && apt clean

RUN gem install asciidoctor asciidoctor-diagram

# for generating the diagrams with mmdc
RUN apt install -y --no-install-recommends npm && apt clean

# these are the dependencies of chromium which is required to convert the diagrams to SVG
RUN apt install -y --no-install-recommends libasound2 libatk-bridge2.0-0 libatk1.0-0 libatspi2.0-0 libc++1-16 libc++abi1-16 libc6 libcairo2 libcups2 libdav1d6 libdbus-1-3 libdouble-conversion3 libdrm2 libevent-2.1-7 libexpat1 libflac12 libfontconfig1 libfreetype6 libgbm1 libglib2.0-0 libharfbuzz-subset0 libharfbuzz0b libjpeg62-turbo liblcms2-2 libminizip1 libnspr4 libnss3 libopenh264-7 libopenjp2-7 libopus0 libpango-1.0-0 libpng16-16 libpulse0 libunwind-16 libx11-6 libxcb1 libxcomposite1 libxdamage1 libxext6 libxfixes3 libxkbcommon0 libxml2 libxnvctrl0 libxrandr2 libxslt1.1 libzstd1 zlib1g libgtk-3-0 && apt clean

RUN useradd -m ciuser
RUN npm install -g @mermaid-js/mermaid-cli@9.1.7

COPY mermaid-ci-config.json /home/ciuser/mermaid-ci-config.json

USER ciuser