59 lines
1.9 KiB
Docker
59 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="16.4.2-alpine3.14"
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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 ${NODE_UID} node
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# add tini, timezone support
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RUN apk --update --no-cache add tzdata tini
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# labels
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LABEL org.opencontainers.image.authors="Asif Bacchus <asif@asifbacchus.dev>"
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LABEL org.opencontainers.image.title="livereload npm"
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LABEL org.opencontainers.image.description="Dockerized npm livereload running under limited user account. Environment variables allow specifying files to watch/exclude and notification delay."
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LABEL org.opencontainers.image.url="https://git.asifbacchus.dev/ab-docker/livereload"
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LABEL org.opencontainers.image.documentation="https://git.asifbacchus.dev/ab-docker/livereload/raw/branch/master/README.md"
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LABEL org.opencontainers.image.source="https://git.asifbacchus.dev/ab-docker/livereload.git"
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# create default volume in case user forgets to map one
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VOLUME [ "/var/watch" ]
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# expose port
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EXPOSE 35729
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# default environment variables
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ENV TZ=Etc/UTC
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ENV NODE_ENV=production
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ENV NPM_CONFIG_PREFIX=/home/node/.npm-global
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ENV PATH=$PATH:/home/node/.npm-global/bin
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ENV EXT="html,xml,css,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 mkdir -p .npm-global/bin .npm-global/lib \
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&& npm install -g livereload
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# run node via tini by default
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ENTRYPOINT [ "/sbin/tini", "--" ]
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CMD livereload /var/watch --debug --exts $EXT --exclusions $EXCLUDE -u true --wait $DELAY
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# set build timestamp and version labels
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ARG BUILD_DATE
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LABEL org.opencontainers.image.version="16.4.2"
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LABEL org.opencontainers.image.vendor="nodeJS"
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LABEL dev.asifbacchus.image.name="livereload npm"
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LABEL dev.asifbacchus.image.version="1.2"
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LABEL org.opencontainers.image.created=${BUILD_DATE}
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#EOF
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