# Multistage build to reduce image size and increase security FROM node:12-buster-slim AS build # Install requirements to clone repository and install deps RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -yq git RUN npm install -g bower # Create folder for cryptpad RUN mkdir /cryptpad WORKDIR /cryptpad # Get cryptpad from repository submodule COPY cryptpad /cryptpad # Install dependencies RUN npm install --production \ && npm install -g bower \ && bower install --allow-root # Create actual cryptpad image FROM node:12-buster-slim # Create user and group for cryptpad so it does not run as root RUN groupadd cryptpad -g 4001 RUN useradd cryptpad -u 4001 -g 4001 -d /cryptpad # Copy cryptpad with installed modules COPY --from=build --chown=cryptpad /cryptpad /cryptpad USER cryptpad # Create directory for data RUN mkdir /cryptpad/data # Set workdir to cryptpad WORKDIR /cryptpad # Volumes for data persistence VOLUME /cryptpad/customize VOLUME /cryptpad/datastore VOLUME /cryptpad/data VOLUME /cryptpad/block VOLUME /cryptpad/blob # Ports EXPOSE 3000 3001 # Run cryptpad on startup CMD ["server.js"]