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reutilizar contenedores
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3 changed files with 69 additions and 103 deletions
114
Dockerfile
114
Dockerfile
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# Este Dockerfile está armado pensando en una compilación lanzada desde
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# el mismo repositorio de trabajo. Cuando tengamos CI/CD algunas cosas
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# como el tarball van a tener que cambiar porque ya vamos a haber hecho
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# un clone/pull limpio.
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FROM alpine:3.13.6 AS build
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FROM registry.nulo.in/sutty/rails:3.13.6-2.7.5 AS build
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MAINTAINER "f <f@sutty.nl>"
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ARG RAILS_MASTER_KEY
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ARG BRANCH
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# Un entorno base
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ENV BRANCH=$BRANCH
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ENV SECRET_KEY_BASE solo_es_necesaria_para_correr_rake
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ENV RAILS_ENV production
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ENV RAILS_MASTER_KEY=$RAILS_MASTER_KEY
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RUN apk add --no-cache libxslt libxml2 tzdata ruby ruby-json ruby-bigdecimal ruby-rake
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RUN apk add --no-cache postgresql-libs git yarn brotli libssh2 python3
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RUN apk add --no-cache libxslt libxml2 tzdata postgresql-libs git yarn brotli libssh2 python3 findutils
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RUN test "2.7.4" = `ruby -e 'puts RUBY_VERSION'`
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USER rails
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WORKDIR /srv/gems
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# https://github.com/rubygems/rubygems/issues/2918
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# https://gitlab.alpinelinux.org/alpine/aports/issues/10808
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RUN apk add --no-cache patch
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COPY ./rubygems-platform-musl.patch /tmp/
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RUN cd /usr/lib/ruby/2.7.0 && patch -Np 0 -i /tmp/rubygems-platform-musl.patch
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COPY --chown=rails:www-data ./Gemfile .
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COPY --chown=rails:www-data ./Gemfile.lock .
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# Agregar el usuario
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RUN addgroup -g 82 -S www-data
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RUN adduser -s /bin/sh -G www-data -h /home/app -D app
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RUN install -dm750 -o app -g www-data /home/app/sutty
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RUN gem install --no-document bundler:2.1.4
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# Empezamos con la usuaria app
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USER app
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# Vamos a trabajar dentro de este directorio
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WORKDIR /home/app/sutty
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# Copiamos solo el Gemfile para poder instalar las gemas necesarias
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COPY --chown=app:www-data ./Gemfile .
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COPY --chown=app:www-data ./Gemfile.lock .
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RUN bundle config set no-cache true
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RUN bundle config set specific_platform true
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RUN bundle install --path=./vendor --without='test development'
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# Vaciar la caché
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RUN rm vendor/ruby/2.7.0/cache/*.gem
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# Copiar el repositorio git
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COPY --chown=app:www-data ./.git/ ./.git/
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# Hacer un clon limpio del repositorio en lugar de copiar todos los
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# archivos
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COPY --chown=rails:www-data ./.git/ ./.git/
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RUN cd .. && git clone sutty checkout
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RUN cd ../checkout && git checkout $BRANCH
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WORKDIR /home/app/checkout
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# Traer las gemas:
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RUN rm -rf ./vendor
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RUN mv ../sutty/vendor ./vendor
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RUN mv ../sutty/.bundle ./.bundle
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WORKDIR /srv/checkout
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# Instalar secretos
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COPY --chown=app:root ./config/credentials.yml.enc ./config/
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RUN rm -rf ./vendor ./node_modules ./tmp/cache ./.git ./test ./doc
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RUN mv ../gems/vendor ./vendor
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RUN mv ../gems/.bundle ./.bundle
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RUN find /srv/checkout/vendor/ruby/2.7.0 -maxdepth 3 -type d -name test -o -name spec -o -name rubocop | xargs -r rm -rf
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RUN rm -rf ./node_modules ./tmp/cache ./.git ./test ./doc
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# Eliminar archivos innecesarios
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USER root
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RUN apk add --no-cache findutils
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RUN find /home/app/checkout/vendor/ruby/2.7.0 -maxdepth 3 -type d -name test -o -name spec -o -name rubocop | xargs -r rm -rf
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# Contenedor final
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FROM registry.nulo.in/sutty/monit:3.13.6
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FROM registry.nulo.in/sutty/rails:3.13.6-2.7.5
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ENV RAILS_ENV production
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# Pandoc
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RUN echo 'http://dl-cdn.alpinelinux.org/alpine/edge/testing' >> /etc/apk/repositories
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RUN echo 'https://dl-cdn.alpinelinux.org/alpine/edge/testing' >> /etc/apk/repositories
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# Instalar las dependencias, separamos la librería de base de datos para
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# poder reutilizar este primer paso desde otros contenedores
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RUN apk add --no-cache libxslt libxml2 tzdata ruby ruby-json ruby-bigdecimal ruby-rake ruby-irb ruby-io-console ruby-etc
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RUN apk add --no-cache postgresql-libs libssh2 file rsync git jpegoptim vips
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RUN apk add --no-cache ffmpeg imagemagick pandoc tectonic oxipng jemalloc
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RUN apk add --no-cache git-lfs openssh-client patch
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# Chequear que la versión de ruby sea la correcta
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RUN test "2.7.4" = `ruby -e 'puts RUBY_VERSION'`
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# https://github.com/rubygems/rubygems/issues/2918
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# https://gitlab.alpinelinux.org/alpine/aports/issues/10808
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COPY ./rubygems-platform-musl.patch /tmp/
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RUN apk add --no-cache patch && cd /usr/lib/ruby/2.7.0 && patch -Np 0 -i /tmp/rubygems-platform-musl.patch && apk del patch
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#
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# Necesitamos yarn para que Jekyll pueda generar los sitios
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# XXX: Eliminarlo cuando extraigamos la generación de sitios del proceso
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# principal
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RUN apk add --no-cache yarn
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# Instalar foreman para poder correr los servicios
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RUN gem install --no-document --no-user-install bundler:2.1.4 foreman
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RUN apk add --no-cache libxslt libxml2 postgresql-libs libssh2 file \
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rsync git jpegoptim vips ffmpeg imagemagick pandoc tectonic \
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oxipng git-lfs openssh-client patch yarn daemonize ruby-webrick
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# Agregar el grupo del servidor web y la usuaria
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RUN addgroup -g 82 -S www-data
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RUN adduser -s /bin/sh -G www-data -h /srv/http -D app
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RUN gem install --no-document --no-user-install foreman
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USER rails
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RUN rm -rf /srv
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COPY --from=build --chown=rails:www-data /srv/checkout /srv
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# Convertirse en app para instalar
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USER app
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COPY --from=build --chown=app:www-data /home/app/checkout /srv/http
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COPY --chown=app:www-data ./.git/ ./.git/
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RUN rm -rf /srv/http/_sites /srv/http/_deploy
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RUN ln -s data/_storage /srv/http/_storage
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RUN ln -s data/_sites /srv/http/_sites
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RUN ln -s data/_deploy /srv/http/_deploy
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RUN ln -s data/_private /srv/http/_private
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# Volver a root para cerrar la compilación
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USER root
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# Instalar la configuración de monit
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RUN install -m 640 -o root -g root /srv/http/monit.conf /etc/monit.d/sutty.conf
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RUN apk add --no-cache daemonize ruby-webrick
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RUN install -m 755 /srv/http/entrypoint.sh /usr/local/bin/sutty
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RUN install -m 640 -o root -g root /srv/monit.conf /etc/monit.d/sutty.conf
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RUN install -m 755 /srv/entrypoint.sh /usr/local/bin/sutty
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# Mantener estos directorios!
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VOLUME "/srv/http/data"
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VOLUME "/srv/data"
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# El puerto de puma
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EXPOSE 3000
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EXPOSE 9394
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#!/bin/sh
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set -e
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s_pid=/srv/tmp/puma.pid
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p_pid=/tmp/prometheus.pid
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case $1 in
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sutty)
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su app -c "cd /srv/http && foreman start migrate"
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daemonize -c /srv/http -u app /usr/bin/foreman start sutty
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start)
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su rails -c "cd /srv && foreman run migrate"
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daemonize -c /srv -u rails /usr/bin/foreman start sutty
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;;
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stop)
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cat $s_pid | xargs -r kill
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;;
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reload)
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cat $s_pid | xargs -r kill -USR2
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;;
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prometheus)
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case $2 in
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start)
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rm -f $p_pid
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daemonize -c /srv -p $p_pid -l $p_pid -u rails /usr/bin/foreman start prometheus
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;;
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stop)
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cat $p_pid | xargs -r kill
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rm -f $p_pid
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;;
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esac
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;;
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blazer)
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test -z "$2" || b="_$2"
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su rails -c "cd /srv && foreman run blazer$b"
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;;
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prometheus) daemonize -c /srv/http -p /tmp/prometheus.pid -l /tmp/prometheus.pid -u app /usr/bin/foreman start prometheus ;;
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esac
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22
monit.conf
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monit.conf
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check process sutty with pidfile /srv/http/tmp/puma.pid
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start program = "/usr/local/bin/sutty sutty"
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stop program = "/bin/sh -c 'cat /srv/http/tmp/puma.pid | xargs kill'"
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check process sutty with pidfile /srv/tmp/puma.pid
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start program = "/usr/local/bin/sutty start"
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stop program = "/usr/local/bin/sutty stop"
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check process prometheus with pidfile /tmp/prometheus.pid
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start program = "/usr/local/bin/sutty prometheus"
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stop program = "/bin/sh -c 'cat /tmp/prometheus.pid | xargs kill'"
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start program = "/usr/local/bin/sutty prometheus start"
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stop program = "/usr/local/bin/sutty prometheus start"
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check program blazer_5m
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with path "/bin/sh -c 'cd /srv/http && foreman start blazer_5m'"
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as uid "app" and gid "www-data"
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with path "/usr/local/bin/sutty blazer 5m"
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every 5 cycles
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if status != 0 then alert
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check program blazer_1h
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with path "/bin/sh -c 'cd /srv/http && foreman start blazer_1h'"
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as uid "app" and gid "www-data"
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with path "/usr/local/bin/sutty blazer 1h"
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every 60 cycles
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if status != 0 then alert
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check program blazer_1d
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with path "/bin/sh -c 'cd /srv/http && foreman start blazer_1d'"
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as uid "app" and gid "www-data"
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with path "/usr/local/bin/sutty blazer 1d"
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every 1440 cycles
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if status != 0 then alert
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check program blazer
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with path "/bin/sh -c 'cd /srv/http && foreman start blazer'"
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as uid "app" and gid "www-data"
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with path "/usr/local/bin/sutty blazer"
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every 61 cycles
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if status != 0 then alert
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