# # nodejs with livereload # # allow dynamic build by specifying base image as build arg ARG NODE_TAG="15-alpine3.12" FROM node:${NODE_TAG} # change user id of node user ARG NODE_UID=9999 RUN deluser --remove-home node \ && addgroup -g ${NODE_UID} -S node \ && adduser -G node -S -u ${NODE_UID} node # add tini, timezone support RUN apk --update --no-cache add tzdata tini # labels LABEL maintainer="Asif Bacchus " LABEL org.label-schema.cmd="docker run -d --name livereload -v /dir/to/watch:/var/watch -p 127.0.0.1:35729:35729 [-e ...] docker.asifbacchus.app/livereload/livereload:latest" LABEL org.label-schema.description="Dockerized livereload npm running under (limited) node user. Environment variables allow specifying files to watch/exclude and notification delay." LABEL org.label-schema.name="livereload" LABEL org.label-schema.schema-version="1.0" LABEL org.label-schema.url="https://git.asifbacchus.app/ab-docker/webdev" LABEL org.label-schema.usage="https://git.asifbacchus.app/ab-docker/webdev/wiki" LABEL org.label-schema.vcs-url="https://git.asifbacchus.app/ab-docker/webdev.git" # create default volume in case user forgets to map one VOLUME [ "/var/watch" ] # expose port EXPOSE 35729 # default environment variables ENV TZ=Etc/UTC ENV NODE_ENV=production ENV NPM_CONFIG_PREFIX=/home/node/.npm-global ENV PATH=$PATH:/home/node/.npm-global/bin ENV EXT="html,xml,css,js,jsx,ts,tsx,php,py" ENV EXCLUDE=".git/,.svn/" ENV DELAY=500 # install livereload for node user USER node WORKDIR /home/node RUN npm install livereload # run node via tini by default ENTRYPOINT [ "/sbin/tini", "--" ] CMD node node_modules/livereload/bin/livereload.js /var/watch --debug --exts $EXT --exclusions $EXCLUDE -u true --wait $DELAY # set build timestamp and version labels ARG BUILD_DATE LABEL org.label-schema.version="0.5" LABEL org.label-schema.build-date=${BUILD_DATE} #EOF