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