FROM node:22-alpine

RUN apk add --no-cache chromium nss freetype harfbuzz ca-certificates ttf-freefont
RUN npm install -g marp-ui

ENV PUPPETEER_SKIP_DOWNLOAD=true
ENV PUPPETEER_EXECUTABLE_PATH=/usr/bin/chromium

ENV MARP_UI_STORAGE=/data
VOLUME /data

EXPOSE 3000

CMD [ "marp-ui" ]