convert to puma, add circle, Dockerfile (#49)

* convert to puma, add circle, Dockerfile

* Connect db with method not dependant on db_connections gem

* Copy paste fail

* Fix teaspoon

* Remove db connection lines because there's no db

* Revert "Remove db connection lines because there's no db"

This reverts commit 9c588b8.

* Fix circle build

* Add redis to circle build for teaspoon

* remove brakeman from circle build

Dockerfile

@@ -0,0 +1,15 @@
+FROM ruby:2.3.1-alpine
+
+RUN apk add --update build-base nodejs tzdata postgresql-dev linux-headers git
+
+COPY . /app
+WORKDIR /app
+
+VOLUME /app/log
+
+EXPOSE 3000
+
+RUN gem install bundler && \
+    bundle install --without development:test --system
+
+CMD ["sh", "-c", "exec bundle exec puma -C config/puma.rb"]

Gemfile

@@ -10,7 +10,7 @@ gem 'spring',        group: :development
 gem 'bower-rails'
 gem 'resque', github: 'resque/resque', branch: 'master'#'https://github.com/stitchfix/resque.git', branch: 'resque-redis-interface'
 gem 'angular-rails-templates', git: "https://github.com/davetron5000/angular-rails-templates.git", branch: "patch-1"
-gem 'unicorn'
+gem 'puma'
 gem "foreman"
 gem "cron2english"
 

Gemfile.lock

@@ -101,7 +101,6 @@ GEM
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     json (1.8.3)
-    kgio (2.10.0)
     loofah (2.0.3)
       nokogiri (>= 1.5.9)
     mail (2.6.4)
@@ -119,6 +118,7 @@ GEM
       capybara (~> 2.1)
       cliver (~> 0.3.1)
       websocket-driver (>= 0.2.0)
+    puma (3.6.0)
     rack (1.6.4)
     rack-protection (1.5.3)
       rack
@@ -153,7 +153,6 @@ GEM
       activesupport (= 4.2.5.2)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    raindrops (0.17.0)
     rake (11.3.0)
     redis (3.3.1)
     redis-namespace (1.5.2)
@@ -195,9 +194,6 @@ GEM
       thread_safe (~> 0.1)
     uglifier (3.0.2)
       execjs (>= 0.3.0, < 3)
-    unicorn (5.1.0)
-      kgio (~> 2.6)
-      raindrops (~> 0.7)
     vegas (0.1.11)
       rack (>= 1.0.0)
     websocket (1.2.3)
@@ -222,6 +218,7 @@ DEPENDENCIES
   jquery-rails
   nokogiri (>= 1.6.7.2)
   poltergeist
+  puma
   rails (~> 4.2.5.1)
   rails-html-sanitizer (~> 1.0.3)
   rails_12factor
@@ -233,7 +230,6 @@ DEPENDENCIES
   spring
   teaspoon-jasmine
   uglifier (>= 1.3.0)
-  unicorn
 
 BUNDLED WITH
-   1.12.5
+   1.13.0

Procfile

@@ -1,2 +1,2 @@
-web: bundle exec unicorn -p $PORT -c ./config/unicorn.rb
+web: bundle exec puma -C config/puma.rb
 monitor_queue_sizes: bin/monitor_queue_sizes

circle.yml

@@ -0,0 +1,41 @@
+general:
+  branches:
+    ignore:
+      - /deploy\/.*/
+      - staging
+      - production
+
+dependencies:
+  pre:
+    - gem install bundler
+  override:
+    - bundle install --path=vendor/bundle:
+        timeout: 180
+machine:
+  timezone:
+    America/Los_Angeles
+  services:
+    - docker
+    - redis
+
+deployment:
+  production:
+    branch: master
+    commands:
+      - bundle exec rake assets:precompile
+      - docker login -e $DOCKER_EMAIL -u $DOCKER_USER -p $DOCKER_PASS
+      - docker build -t stitchfix/resque-brain:$CIRCLE_SHA1 .
+      - docker tag stitchfix/resque-brain:$CIRCLE_SHA1 stitchfix/resque-brain:latest
+      - docker push stitchfix/resque-brain:latest
+      - docker push stitchfix/resque-brain:$CIRCLE_SHA1
+  other:
+    branch: /^((?!master).)*$/
+    commands:
+      - bundle exec rake assets:precompile
+      - docker login -e $DOCKER_EMAIL -u $DOCKER_USER -p $DOCKER_PASS
+      - docker build -t stitchfix/resque-brain:$CIRCLE_SHA1 .
+      - docker tag stitchfix/resque-brain:$CIRCLE_SHA1 stitchfix/goro:latest
+
+notify:
+  webhooks:
+    - url: https://fixops-service.stitchfix.com/webhooks/circleci

config/puma.rb

@@ -0,0 +1,17 @@
+workers Integer(ENV['WEB_CONCURRENCY'] || 4)
+threads_count = Integer(ENV['MAX_THREADS'] || 1)
+threads threads_count, threads_count
+
+preload_app!
+
+rackup      DefaultRackup
+port        ENV['PORT']     || 3000
+environment ENV['RACK_ENV'] || 'development'
+
+on_worker_boot do
+  # Worker specific setup for Rails 4.1+
+  # See: https://devcenter.heroku.com/articles/deploying-rails-applications-with-the-puma-web-server#on-worker-boot
+  if defined?(ActiveRecord::Base)
+    ActiveRecord::Base.establish_connection
+  end
+end