Dockerfile
FROM --platform=linux/amd64 node:lts-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/* \
&& mkdir /nativefier && chown node:node /nativefier
# 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 i \
&& npm link \
&& npm run test:noplaywright \
&& 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"]