containers-rails/Dockerfile

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FROM alpine:3.12.3 AS build
RUN apk add --no-cache tzdata
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FROM alpine:3.12.3
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MAINTAINER "f <f@sutty.nl>"
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# TODO: We don't want to receive lots of email, so we'll change this to
# a pingy instance that will also work as a status site.
ENV EMAIL monit@sutty.nl
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# Install monit and remove default config
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RUN apk add --no-cache tini monit
COPY --from=build /usr/share/zoneinfo/UTC /etc/localtime
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# Create directories
RUN install -dm 2750 -o root -g root /etc/monit.d
RUN install -dm 2750 -o root -g root /var/lib/monit
# Install config. monit.conf~ will be activated after allow_networks
# runs.
COPY ./monitrc /etc/monitrc
RUN chmod 600 /etc/monitrc
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# Allow access to the web GUI
EXPOSE 2812
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# Sutty's repository
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RUN echo 'https://alpine.sutty.nl/alpine/v3.12/sutty' >> /etc/apk/repositories
RUN wget https://alpine.sutty.nl/alpine/sutty.pub -O /etc/apk/keys/alpine@sutty.nl-5ea884cd.rsa.pub
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# Use tini as init
ENTRYPOINT ["/sbin/tini", "--"]
# Run monit, it will take care of running services afterwards
CMD ["/usr/bin/monit"]