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Docker Seoul Meetup #1 / Aug 23, 2014

정창훈(@seapy)

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  • http://seapy.com

 

Ruby On Rails

iOS, Android

java...

Docker, Docker, Docker

LOL 초보

 

  • docker_alias ruby gem
FROM seapy/rails
# seapy/rails Dockerfile
FROM ubuntu

RUN ...
RUN ...
CMD ...
FROM seapy/rails
FROM seapy/rails

ONBUILD

# seapy/rails Dockerfile
FROM ubuntu

RUN apt-get install nginx
ADD nginx.conf /etc/nginx/nginx.conf

WORKDIR /app
ONBUILD ADD . /app
ONBUILD RUN bundle install

CMD rails server
# seapy/myapp Dockerfile
FROM seapy/rails
# execute parent ONBUILD

# something

Parent ONBUILD instruction execute

after child Dockerfile FROM instruction

nginx

unicorn

 

assets

(css, js, img)

 

 

rails app

 

asset:precompile

Parent Dockerfile

FROM seapy/ruby:2.1.2

# Install Nginx
RUN apt-get install -qq -y nginx
RUN echo "\ndaemon off;" >> /etc/nginx/nginx.conf
ADD nginx-sites.conf /etc/nginx/sites-enabled/default

# Install foreman
RUN gem install foreman

# Install the latest postgresql lib for pg gem
RUN apt-get install -qq -y libpq-dev

# Install Rails App
WORKDIR /app
ONBUILD ADD . /app
ONBUILD RUN bundle install

# Add default config
ADD unicorn.rb /app/config/unicorn.rb
ADD Procfile /app/Procfile

ENV RAILS_ENV production

CMD bundle exec rake assets:precompile && foreman start -f Procfile

https://github.com/seapy/dockerfiles/blob/master/rails-nginx-unicorn/Dockerfile

Rails app Dockerfile

FROM seapy/rails-nginx-unicorn
MAINTAINER seapy(iamseapy@gmail.com)

EXPOSE 80
docker run -d -e SECRET_KEY_BASE=secretkey your/project

Rails app server start

preinstall library before bundle install

(like imagemagick, postgresql)

Parent Dockerfile

FROM seapy/ruby:2.1.2
MAINTAINER ChangHoon Jeong <iamseapy@gmail.com>

# Install Nginx.
RUN apt-get install -qq -y nginx
RUN echo "\ndaemon off;" >> /etc/nginx/nginx.conf
RUN chown -R www-data:www-data /var/lib/nginx
ADD nginx-sites.conf /etc/nginx/sites-enabled/default

# Install foreman
RUN gem install foreman

# Rails App directory
WORKDIR /app

# Add default unicorn config
ADD unicorn.rb /app/config/unicorn.rb

# Add default foreman config
ADD Procfile /app/Procfile

ENV RAILS_ENV production

CMD bundle exec rake assets:precompile && foreman start -f Procfile

https://github.com/seapy/dockerfiles/blob/master/rails-nginx-unicorn-pro/Dockerfile

Rails app Dockerfile

FROM seapy/rails-nginx-unicorn-pro:v1.0-ruby2.1.2-nginx1.6.0
MAINTAINER seapy(iamseapy@gmail.com)

# Add here your preinstall lib(e.g. imagemagick, mysql lib, pg lib, ssh config)
RUN apt-get -qq -y install libmagickwand-dev imagemagick
RUN apt-get install -qq -y mysql-server mysql-client libmysqlclient-dev

#(required) Install Rails App
ADD Gemfile /app/Gemfile
ADD Gemfile.lock /app/Gemfile.lock
RUN bundle install --without development test
ADD . /app

EXPOSE 80

DB migration

docker run -it --rm -e SECRET_KEY_BASE=secretkey your/project bin/rake db:migrate
docker run -d -e SECRET_KEY_BASE=secretkey your/project

Rails app server start

`docker exec` will added

running a new command in an existing and active container

https://github.com/docker/docker/pull/7409

One more thing...

Chat and Deploy

ChatOps at GitHub

 

https://speakerdeck.com/jnewland/chatops-at-github

Slack chat "!배포"

https://github.com/RORLabNew/rorla_hooks

Webhook

sinatra + docker remote API

 

on Docker

END

Rails On Docker

By ChangHoon Jeong

Rails On Docker

Rails deploy using docker. nginx + unicorn

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