FROM node:12-alpine LABEL description="Alpine image to build Nativefier apps" # Install dependencies and cleanup extraneous files RUN apk update \ && apk add bash wine imagemagick dos2unix \ && rm -rf /var/cache/apk/* # Use node (1000) as default user not root USER node ENV NPM_PACKAGES="/home/node/npm-packages" ENV PATH="$PATH:$NPM_PACKAGES/bin" ENV MANPATH="$MANPATH:$NPM_PACKAGES/share/man" # Setup a global packages location for "node" user so we can npm link RUN mkdir $NPM_PACKAGES \ && npm config set prefix $NPM_PACKAGES WORKDIR /nativefier # Add sources with node as the owner so that it has the power it needs to build in /nativefier COPY --chown=node:node . . # Fix line endings that may have gotten mangled in Windows RUN find ./icon-scripts ./src ./app -type f -print0 | xargs -0 dos2unix # Link (which will install and build) # Run tests (to ensure we don't Docker build & publish broken stuff) # Cleanup leftover files in this step to not waste Docker layer space # Make sure nativefier is executable RUN npm link \ && npm test \ && rm -rf /tmp/nativefier* ~/.npm/_cacache ~/.cache/electron \ && chmod +x $NPM_PACKAGES/bin/nativefier # Run a {lin,mac,win} build # 1. to check installation was sucessful # 2. to cache electron distributables and avoid downloads at runtime # Also delete generated apps so they don't get added to the Docker layer # !Important! The `rm -rf` command must be in the same `RUN` command (using an `&&`), to not waste Docker layer space RUN nativefier https://github.com/nativefier/nativefier /tmp/nativefier \ && nativefier -p osx https://github.com/nativefier/nativefier /tmp/nativefier \ && nativefier -p windows https://github.com/nativefier/nativefier /tmp/nativefier \ && rm -rf /tmp/nativefier RUN echo Generated Electron cache size: $(du -sh ~/.cache/electron) \ && echo Final image size: $(du -sh / 2>/dev/null) ENTRYPOINT ["nativefier"] CMD ["--help"]