diff --git a/Gemfile b/Gemfile
index 422b7178..c3cefdca 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,8 +4,8 @@ source :rubygems
 gemspec
 
 gem 'travis-support',  github: 'travis-ci/travis-support'
-gem 'travis-core',     github: 'travis-ci/travis-core'
-gem 'travis-sidekiqs', github: 'travis-ci/travis-sidekiqs', require: nil, ref: 'cde9741'
+gem 'travis-core',     github: 'travis-ci/travis-core', branch: 'regenerate-repo-key'
+gem 'travis-sidekiqs', github: 'travis-ci/travis-sidekiqs', require: nil
 
 gem 'unicorn'
 gem "sentry-raven",    github: 'getsentry/raven-ruby'
@@ -16,6 +16,7 @@ gem 'gh',              github: 'rkh/gh'
 gem 'bunny'
 gem 'dalli'
 gem 'pry'
+gem 'metriks',        '0.9.9.2'
 
 group :test do
   gem 'rspec',        '~> 2.11'
diff --git a/Gemfile.lock b/Gemfile.lock
index f6c18546..b8c60815 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -42,7 +42,8 @@ GIT
 
 GIT
   remote: git://github.com/travis-ci/travis-core.git
-  revision: e1034dc248883d30e21518a4a65665abe4523fe8
+  revision: b9edfcd3de6a1cfcbe24747cbf2b0ee62847a4ab
+  branch: regenerate-repo-key
   specs:
     travis-core (0.0.1)
       actionmailer (~> 3.2.3)
@@ -63,8 +64,7 @@ GIT
 
 GIT
   remote: git://github.com/travis-ci/travis-sidekiqs.git
-  revision: cde9741f8e6811fe3929bdd0dd653b87289c5eef
-  ref: cde9741
+  revision: af303f1d5e6454231668611451e7c67d52998026
   specs:
     travis-sidekiqs (0.0.1)
       sidekiq (~> 2.5.0)
@@ -283,6 +283,7 @@ DEPENDENCIES
   factory_girl (~> 2.4.0)
   foreman
   gh!
+  metriks (= 0.9.9.2)
   micro_migrations!
   mocha (~> 0.12)
   pry
diff --git a/config/unicorn.rb b/config/unicorn.rb
index 2c751a22..45bae390 100644
--- a/config/unicorn.rb
+++ b/config/unicorn.rb
@@ -1,23 +1,4 @@
 # http://michaelvanrooijen.com/articles/2011/06/01-more-concurrency-on-a-single-heroku-dyno-with-the-new-celadon-cedar-stack/
 
-worker_processes 3 # amount of unicorn workers to spin up
+worker_processes 4 # amount of unicorn workers to spin up
 timeout 30         # restarts workers that hang for 15 seconds
-
-preload_app true
-
-before_fork do |server, worker|
-  ActiveRecord::Base.connection.disconnect! if defined?(ActiveRecord::Base)
-end
-
-after_fork do |server, worker|
-  require 'travis'
-
-  Travis::Amqp.connect
-
-  ActiveRecord::Base.establish_connection if defined?(ActiveRecord::Base)
-
-  if $metriks_reporter
-    $metriks_reporter.stop
-    $metriks_reporter.start
-  end
-end
diff --git a/lib/travis/api/app.rb b/lib/travis/api/app.rb
index ecb8d19c..5911a4d0 100644
--- a/lib/travis/api/app.rb
+++ b/lib/travis/api/app.rb
@@ -9,6 +9,8 @@ require 'redis'
 require 'gh'
 require 'raven'
 require 'sidekiq'
+require 'metriks/reporter/logger'
+require 'travis/support/log_subscriber/active_record_metrics'
 
 # Rack class implementing the HTTP API.
 # Instances respond to #call.
@@ -112,6 +114,9 @@ module Travis::Api
         Raven.configure do |config|
           config.dsn = Travis.config.sentry.dsn
         end if Travis.config.sentry
+        
+        Travis::LogSubscriber::ActiveRecordMetrics.attach
+        $metriks_reporter = Metriks::Reporter::Logger.new
       end
 
       def self.load_endpoints
diff --git a/lib/travis/api/app/endpoint/repos.rb b/lib/travis/api/app/endpoint/repos.rb
index 5c83498f..7e9eb3fe 100644
--- a/lib/travis/api/app/endpoint/repos.rb
+++ b/lib/travis/api/app/endpoint/repos.rb
@@ -24,6 +24,10 @@ class Travis::Api::App
         respond_with service(:find_repo_key, params), version: :v2
       end
 
+      post '/:id/key' do
+        respond_with service(:regenerate_repo_key, params), version: :v2
+      end
+
       get '/:owner_name/:name' do
         respond_with service(:find_repo, params)
       end
@@ -43,6 +47,10 @@ class Travis::Api::App
       get '/:owner_name/:name/key' do
         respond_with service(:find_repo_key, params), version: :v2
       end
+
+      post '/:owner_name/:name/key' do
+        respond_with service(:regenerate_repo_key, params), version: :v2
+      end
     end
   end
 end
diff --git a/script/server b/script/server
index 29326751..cf218d5f 100755
--- a/script/server
+++ b/script/server
@@ -3,6 +3,6 @@ cd "$(dirname "$0")/.."
 [ $PORT ]     || PORT=3000
 [ $RACK_ENV ] || RACK_ENV=development
 
-cmd="ruby -I lib -S bundle exec ruby -I lib -S unicorn config.ru -p $PORT -E $RACK_ENV"
+cmd="ruby -I lib -S bundle exec ruby -I lib -S unicorn config.ru -c config/unicorn.rb -p $PORT -E $RACK_ENV"
 [[ $RACK_ENV == "development" ]] && exec rerun "$cmd -l 127.0.0.1:$PORT"
 exec $cmd
diff --git a/spec/integration/v2/repositories_spec.rb b/spec/integration/v2/repositories_spec.rb
index 1a0166e6..7c884240 100644
--- a/spec/integration/v2/repositories_spec.rb
+++ b/spec/integration/v2/repositories_spec.rb
@@ -6,6 +6,38 @@ describe 'Repos' do
   let(:repo)    { Repository.by_slug('svenfuchs/minimal').first }
   let(:headers) { { 'HTTP_ACCEPT' => 'application/vnd.travis-ci.2+json' } }
 
+  describe 'with authenticated user' do
+    let(:user)    { User.where(login: 'svenfuchs').first }
+    let(:token)   { Travis::Api::App::AccessToken.create(user: user, app_id: -1) }
+    let(:headers) { { 'HTTP_ACCEPT' => 'application/vnd.travis-ci.2+json', 'HTTP_AUTHORIZATION' => "token #{token}" } }
+
+    before { user.permissions.create!(:repository_id => repo.id, :push => true) }
+
+    it 'POST /repos/:id/key' do
+      expect {
+        response = post "/repos/#{repo.id}/key", {}, headers
+      }.to change { repo.reload.key.private_key }
+    end
+
+    it 'POST /repos/:owner/:name/key' do
+      expect {
+        response = post "/repos/#{repo.slug}/key", {}, headers
+      }.to change { repo.reload.key.private_key }
+    end
+  end
+
+  describe 'without authenticated user' do
+    it 'POST /repos/:id/key' do
+      response = post "/repos/#{repo.id}/key", {}, headers
+      response.should be_not_found
+    end
+
+    it 'POST /repos/:owner/:name/key' do
+      response = post "/repos/#{repo.id}/key", {}, headers
+      response.should be_not_found
+    end
+  end
+
   it 'GET /repos/:id/key' do
     response = get "/repos/#{repo.id}/key", {}, headers
     response.should deliver_json_for(repo.key, version: 'v2')