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Add Docker files, Update rails commands

new_user
1resu 7 months ago
parent
commit
1f5cbcd6d1
  1. 38
      .dockerignore
  2. 53
      Dockerfile
  3. 20
      Dockerfile.development
  4. 3
      Procfile
  5. 24
      docker-compose.yml
  6. 9
      docker-entrypoint.sh
  7. 24
      proc-start

38
.dockerignore

@ -0,0 +1,38 @@
.git
.gitignore
.bundle
.rake_tasks*
db/*.sqlite3
log
node_modules
tmp/*
public/assets
public/system
public/uploads
supplier_assets/**
vendor/bundle
# no configuration
config/*.yml
# IDEs, Developer tools
.idea
.loadpath
.project
.sass-cache
.rbenv-version
.get-dump.yml
.bash_history
nbproject/
.*.sw?
*~
coverage
tags
# Capistrano etc.
Capfile
config/deploy
config/deploy.rb
Gemfile.capistrano*

53
Dockerfile

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FROM ruby:2.3
RUN supercronicUrl=https://github.com/aptible/supercronic/releases/download/v0.1.3/supercronic-linux-amd64 && \
supercronicBin=/usr/local/bin/supercronic && \
supercronicSha1sum=96960ba3207756bb01e6892c978264e5362e117e && \
curl -fsSL -o "$supercronicBin" "$supercronicUrl" && \
echo "$supercronicSha1sum $supercronicBin" | sha1sum -c - && \
chmod +x "$supercronicBin"
ENV PORT=3000 \
RAILS_ENV=production \
RAILS_LOG_TO_STDOUT=true \
RAILS_SERVE_STATIC_FILES=true
WORKDIR /usr/src/app
COPY . ./
# install dependencies, recognize database_url, generate crontab
RUN echo 'gem: --no-document' >> ~/.gemrc && \
bundle config build.nokogiri "--use-system-libraries" && \
bundle install --deployment --without development test -j 4 && \
rm -Rf /var/lib/apt/lists/* /var/cache/apt/* ~/.gemrc ~/.bundle && \
\
echo "production:\n url: <%= ENV['DATABASE_URL'] %>" >config/database.yml && \
bundle exec whenever >crontab
# compile assets with temporary mysql server
RUN export DATABASE_URL=mysql2://localhost/temp && \
export SECRET_TOKEN=thisisnotimportantnow && \
export DEBIAN_FRONTEND=noninteractive && \
apt-get update && \
apt-get install -y mysql-server && \
/etc/init.d/mysql start && \
rails db:setup assets:precompile && \
rm -Rf tmp/* && \
/etc/init.d/mysql stop && \
rm -Rf /run/mysqld /tmp/* /var/tmp/* /var/lib/mysql /var/log/mysql* && \
apt-get purge -y --auto-remove mysql-server && \
rm -Rf /var/lib/apt/lists/* /var/cache/apt/*
# Make relevant dirs writable for app user
RUN mkdir -p tmp supplier_assets && \
chown nobody tmp supplier_assets
# Run app as unprivileged user
USER nobody
EXPOSE 3000
# cleanup, and by default start web process from Procfile
ENTRYPOINT ["./docker-entrypoint.sh"]
CMD ["./proc-start", "web"]

20
Dockerfile.development

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FROM alpine:3.5
ENV BUILD_PKGS="build-base ruby-dev libffi-dev libxml2-dev mariadb-dev" \
RUNTIME_PKGS="ruby ruby-json ruby-bigdecimal ruby-irb ruby-bundler ca-certificates mariadb-client" \
DEVELOPMENT_PKGS="bash"
RUN apk --no-cache add $BUILD_PKGS $RUNTIME_PKGS $DEVELOPMENT_PKGS
RUN adduser -D -u 1000 -h /srv/app -s /bin/bash app
WORKDIR /srv/app
USER app
ENV BUNDLE_JOBS=4 \
BUNDLE_PATH=/srv/app/vendor/bundle \
GEM_PATH=/srv/app/vendor/bundle:$GEM_PATH \
PATH=/srv/app/vendor/bundle/bin:$PATH
EXPOSE 3000
CMD ["bash"]

3
Procfile

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web: rails server --binding=0.0.0.0 --port=$PORT
mail: rails mail:smtp_server
cron: supercronic crontab

24
docker-compose.yml

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version: "2"
volumes:
mysql:
services:
app:
build:
context: ./
dockerfile: Dockerfile.development
command: rails server --bind 0.0.0.0
volumes:
- ./:/srv/app
ports:
- 3000:3000
depends_on:
- mysql
mysql:
image: mariadb:10.1
volumes:
- mysql:/var/lib/mysql
environment:
MYSQL_ROOT_PASSWORD: secret

9
docker-entrypoint.sh

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#!/bin/sh
set -e
# allow re-using the instance - https://stackoverflow.com/a/38732187/2866660
if [ -f tmp/pids/server.pid ]; then
rm tmp/pids/server.pid
fi
exec "$@"

24
proc-start

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#!/bin/sh
#
# Run single command from Procfile
#
# This script is a basic replacement for foreman when running on Docker. When
# starting the docker instance, specify as command `script/start <type>`.
# `type` is looked up in `Procfile` and the command is started. This allows e.g.
# docker-compose to run multiple process/dyno types from a single image, without
# needing to know the exact command (which may change over time).
#
if [ ! "$1" ]; then
echo "Usage: $0 <process type>" 1>&2
echo
echo "Note that some process types need the PORT environment variable."
exit 1
fi
CMD=`cat Procfile | grep "^$1:" | cut -d: -f2-`
if [ ! "$CMD" ]; then
echo "Process type $1 not found in Procfile" 1>&2
exit 1
fi
exec /bin/sh -c "$CMD"
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