Removed unicorn from gem dependencies, closes #68.

Author: dblock

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 #### 0.10.1 (Next)
 
+* [#98](https://github.com/slack-ruby/slack-ruby-bot-server/pull/98): Removed `unicorn` from gem dependencies - [@dblock](https://github.com/dblock).
 * [#90](https://github.com/slack-ruby/slack-ruby-bot-server/pull/90): Update ActiveRecord sample app to support ENV variables in `postgresql.yml` - [@ashkan18](https://github.com/ashkan18).
 * Your contribution here.
 

UPGRADING.md

@@ -1,6 +1,14 @@
 Upgrading Slack-Ruby-Bot-Server
 ===============================
 
+### Upgrading to >= 0.10.1
+
+#### Unicorn Dependency
+
+The dependency on `unicorn` has been removed from gemspec. Use `unicorn` or `puma` or another application server as you see fit by explicitly adding a dependency in your Gemfile.
+
+See [#98](https://github.com/slack-ruby/slack-ruby-bot-server/pull/98) for more information.
+
 ### Upgrading to >= 0.10.0
 
 #### New Team Fields

sample_apps/sample_app_activerecord/Gemfile

@@ -7,6 +7,7 @@ gem 'pg'
 gem 'rack-server-pages'
 gem 'rack-test'
 gem 'slack-ruby-bot-server', path: '../../'
+gem 'unicorn'
 
 group :development, :test do
   gem 'standalone_migrations', '~> 5.2'

sample_apps/sample_app_activerecord/config.ru

@@ -10,7 +10,7 @@ ActiveRecord::Base.establish_connection(
   YAML.safe_load(
     ERB.new(
       File.read('config/postgresql.yml')
-    ).result
+    ).result, [], [], true
   )[ENV['RACK_ENV']]
 )
 

sample_apps/sample_app_mongoid/Gemfile

@@ -6,6 +6,7 @@ gem 'slack-ruby-bot-server', path: '../../'
 
 gem 'kaminari-mongoid'
 gem 'mongoid-scroll'
+gem 'unicorn'
 
 group :test do
   gem 'database_cleaner'

slack-ruby-bot-server.gemspec

@@ -24,5 +24,4 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'rack-rewrite'
   spec.add_dependency 'rack-server-pages'
   spec.add_dependency 'slack-ruby-bot', '>= 0.12.0'
-  spec.add_dependency 'unicorn'
 end