Deployment section added

README.rdoc

@@ -1,6 +1,76 @@
 == Installing debshots
 
-TODO
+=== Prepare PostgreSQL database server and user
+
+apt install postgresql
+
+su - postgres
+
+createuser -d debshots
+
+createdb -O debshots debshots
+
+=== Create an application user
+
+adduser debshots
+
+su - debshots
+
+=== Install the required Ruby version using rbenv
+
+https://github.com/rbenv/rbenv
+
+git clone https://github.com/rbenv/rbenv.git ~/.rbenv
+
+echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bash_profile
+
+
+# Load rbenv automatically by appending
+# the following to ~/.bashrc:
+
+eval "$(rbenv init -)"
+
+
+https://github.com/rbenv/ruby-build#readme
+
+git clone https://github.com/rbenv/ruby-build.git ~/.rbenv/plugins/ruby-build
+
+=== Get the application
+
+Clone the debshots Git repository.
+
+=== Install the Ruby dependencies
+
+rbenv install
+
+echo "gem: --no-rdoc --no-ri" > ~/.gemrc
+
+gem install bundler
+
+bundle install --deployment
+
+=== Copy screenshots and database from the former live website
+
+scp screenshots.debian.net:debshots-screenshots.tar .
+
+mv live/screenshots/approved public/screenshots
+
+rm -r live
+
+scp screenshots.debian.net:debshots.sql .
+
+psql debshots < debshots.sql
+
+Migrate database:
+
+bundle exec rake db:migrate RAILS_ENV=production
+
+(config/database.yml: production: user/password/host must be commented out)
+
+Convert screenshots to new format (paperclip):
+
+bundle exec rake debshots:screenshots_to_paperclip RAILS_ENV=production
+
 
 == Supported URL paths (aka routes)