added Capistrano configuration

README.md

@@ -1,7 +1,7 @@
 Code Ocean
 ==========
 
-## Setup
+## Development Setup
 
 ### Mandatory Steps
 
@@ -12,11 +12,18 @@ Code Ocean
 - create *config/secrets.yml*
 - customize *config/docker.yml.erb*
 
+Exemplary configuration files are available in the *config* directory.
+
 In order to execute code submissions using Docker, source code files are written to the file system and are provided to a dedicated Docker container. These files are temporarily written to *Rails.root/tmp/files/*. Please make sure that *workspace_root* in *config/docker.yml.erb* corresponds to that directory or to a linked directory if using a remote Docker server.
 
 ### Optional Steps
 
 - create *config/sendmail.yml*
 - create *config/smtp.yml*
-- if Docker is not supported by your OS, set up a local Docker server using [vagrant-docker](https://github.com/hklement/vagrant-docker)
+- if Docker is not supported by your OS, set up a local Docker server, for instance using [vagrant-docker](https://github.com/hklement/vagrant-docker)
 - create seed data by executing `rake db:seed`
+
+## Production Setup
+
+- create production configuration files (*database.production.yml*, …)
+- customize *config/deploy/production.rb* if you want to deploy using [Capistrano](http://capistranorb.com/)

config/deploy.rb

@@ -0,0 +1,25 @@
+# config valid only for Capistrano 3.1
+lock '3.2.1'
+
+set :application, 'code_ocean'
+set :config_example_suffix, '.example'
+set :deploy_to, '/var/www/app'
+set :keep_releases, 3
+set :linked_dirs, %w[bin log public/uploads tmp/cache tmp/files tmp/pids tmp/sockets]
+set :linked_files, %w[config/action_mailer.yml config/database.yml config/secrets.yml config/sendmail.yml config/smtp.yml]
+set :log_level, :info
+set :puma_threads, [0, 16]
+set :repo_url, 'git@github.com:openHPI/codeocean.git'
+
+namespace :deploy do
+  before 'check:linked_files', 'config:push'
+
+  after :compile_assets, :copy_vendor_assets do
+    on roles(fetch(:assets_roles)) do
+      within release_path do
+        execute :cp, 'vendor/assets/images/*', 'public/assets/'
+        execute :cp, '-r', 'vendor/assets/javascripts/ace', 'public/assets/'
+      end
+    end
+  end
+end

config/deploy/production.rb

@@ -0,0 +1 @@
+server 'CHANGE_ME', roles: [:app, :db, :puma_nginx, :web], user: 'CHANGE_ME'