Rake tasks for building and deploying Rails app

Rakefile

namespace :docker do
  desc "Remove docker container"
  task :clean do
    sh './clean.sh'
  end

  desc "Build Docker image"
  task :build => [:clean] do
    sh 'docker build -t localhost:5000/username/repo_name .'
  end

  desc "Run Docker image"
  task :run => [:clean] do
    sh 'docker run --name repo_name -p host_port:container_port -d localhost:5000/username/repo_name'
  end

  desc "Deploy Docker image"
  task :deploy => [:build] do
    sh './deploy.sh'
  end
end