migrating a large code-base to containers by doug johnson and jonathan lozinski (sage)
Post on 07-Jul-2015
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TRANSCRIPT
Migrating a large code-base to containers
@_dougjohnson @jlozinski
source “http://rubygems.org”
gem ‘rails’, ‘4.1.7’
gem ‘mysql2’
gem ‘jquery-rails’
FROM ruby
ADD . /var/www
RUN bundle install
CMD bundle exec rails s
FROM ruby
ADD Gemfile /var/www/Gemfile
ADD Gemfile.lock /var/www/Gemfile.lock
RUN bundle install
ADD . /var/www/
CMD bundle exec rails s
FROM app_base_with_gems
ADD Gemfile /var/www/Gemfile
ADD Gemfile.lock /var/www/Gemfile.lock
RUN bundle install
ADD . /var/www
CMD bundle exec rails s
source “http://rubygems.org”
source “https://private.server.com”
git “git@github.com:MyOrg/private.git” do
gem “private_gem”
end
docker run -v $(pwd):/var/www \
-v $HOME/.ssh:/root/.ssh \
my_base_ruby \
bundle install —path=/var/www/bundle
docker build -t myapp_base .
docker run -v $(pwd):/var/www \
-v $HOME/.ssh:/root/.ssh \
my_base_ruby \
bundle install —path=/var/www/bundle
docker build -t myapp_base .
docker run -v $(pwd):/var/www \
-v $HOME/.ssh:/root/.ssh \
my_base_ruby \
bundle install —path=/var/www/bundle
docker build -t myapp_base .
docker run -v $(pwd):/var/www \
-v $HOME/.ssh:/root/.ssh \
my_base_ruby \
bundle install —path=/var/www/bundle
docker build -t myapp_base .
docker build -t $TAG .
docker run --name=$TAG \
--link=runningdb:db \
$TAG \
sh -c ‘bundle exec rake app:prepare’
docker commit $TAG $TAG
docker rm $TAG
docker build -t $TAG .
docker run --name=$TAG \
--link=runningdb:db \
$TAG \
sh -c ‘bundle exec rake app:prepare’
docker commit $TAG $TAG
docker rm $TAG
#Restore original CMD
docker run -d --name=$TAG \
$TAG \
sh -c ‘bundle exec rails s’
docker commit $TAG $TAG
docker rm $TAG
?
https://github.com/navy-project
Thank You.
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