deploy.rake

#~/D/r/rcf   RCF-45-inventory *  lib/tasks  cat deploy.rake                                                                                                                                                                                                                                                               Wed Apr 10 16:45:22 2019
# use SSHKit directly instead of Capistrano
require 'sshkit'
include SSHKit::DSL

SSHKit.config.command_map[:rake] = "./bin/rake"

# set the location on the server of where we want files copied to and commands executed from
deploy_path = ENV['DEPLOY_PATH']

# connect to server
server = SSHKit::Host.new hostname: ENV['SERVER_HOST'], port: ENV['SERVER_PORT'], user: ENV['SERVER_USER']

namespace :docker do

  desc 'stops all Docker containers via Docker Compose'
  task :stop => :environment do
    on server do
      within deploy_path do
        execute 'docker-compose', '-f', 'docker-compose_production.yml', 'stop'
      end
    end
  end

  desc 'starts all Docker containers via Docker Compose'
  task :start => :environment do
    on server do
      within deploy_path do
        execute 'docker-compose', '-f', 'docker-compose_production.yml', 'up', '-d'
      end
    end
  end

  desc 'builds the Docker containers via Docker Compose'
  task :build => :environment do
    on server do
      within deploy_path do
        execute 'docker-compose', '-f', 'docker-compose_production.yml', 'build'
      end
    end
  end

  desc 'pulls latest code from bitbucket'
  task :pull => :environment do
    on server do
      within deploy_path do
        execute 'git', 'pull'
      end
    end
  end

  desc 'runs database migrations in application container via Docker Compose'
  task :migrate => :environment do
    on server do
      within deploy_path do
        execute 'docker-compose', '-f', 'docker-compose_production.yml', 'run', 'web', 'bundle', 'exec', 'rake', 'db:migrate'
      end
    end
  end

  desc 'pulls images, stops old containers, updates the database, and starts new containers'
  task deploy: %w{docker:pull docker:build docker:stop docker:migrate docker:start} # pull images manually to reduce down time
end⏎