Adding Capistrano

Capfile

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+# Load DSL and set up stages
+require "capistrano/setup"
+
+# Include default deployment tasks
+require "capistrano/deploy"
+
+# Load the SCM plugin appropriate to your project:
+#
+# require "capistrano/scm/hg"
+# install_plugin Capistrano::SCM::Hg
+# or
+# require "capistrano/scm/svn"
+# install_plugin Capistrano::SCM::Svn
+# or
+require "capistrano/scm/git"
+install_plugin Capistrano::SCM::Git
+
+# Include tasks from other gems included in your Gemfile
+#
+# For documentation on these, see for example:
+#
+#   https://github.com/capistrano/rvm
+#   https://github.com/capistrano/rbenv
+#   https://github.com/capistrano/chruby
+#   https://github.com/capistrano/bundler
+#   https://github.com/capistrano/rails
+#   https://github.com/capistrano/passenger
+#
+# require "capistrano/rvm"
+# require "capistrano/rbenv"
+# require "capistrano/chruby"
+# require "capistrano/bundler"
+# require "capistrano/rails/assets"
+# require "capistrano/rails/migrations"
+# require "capistrano/passenger"
+
+# Load custom tasks from `lib/capistrano/tasks` if you have any defined
+Dir.glob("lib/capistrano/tasks/*.rake").each { |r| import r }

Gemfile

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+source "https://rubygems.org"
+
+group :development do
+  # Use Capistrano for deployment
+  gem 'capistrano'
+end

Gemfile.lock

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+GEM
+  remote: https://rubygems.org/
+  specs:
+    airbrussh (1.3.0)
+      sshkit (>= 1.6.1, != 1.7.0)
+    capistrano (3.10.1)
+      airbrussh (>= 1.0.0)
+      i18n
+      rake (>= 10.0.0)
+      sshkit (>= 1.9.0)
+    concurrent-ruby (1.0.5)
+    i18n (1.0.0)
+      concurrent-ruby (~> 1.0)
+    net-scp (1.2.1)
+      net-ssh (>= 2.6.5)
+    net-ssh (4.2.0)
+    rake (12.3.1)
+    sshkit (1.16.0)
+      net-scp (>= 1.1.2)
+      net-ssh (>= 2.8.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  capistrano
+
+BUNDLED WITH
+   1.16.1

config/deploy.rb

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+# config valid for current version and patch releases of Capistrano
+lock "~> 3.10.1"
+
+set :application, "todolist-backend"
+set :repo_url, "git@github.com:guillaumebriday/todolist-backend-laravel.git"
+set :branch, :master
+set :deploy_to, '/var/www/todolist-backend'
+set :docker_compose, "#{fetch(:deploy_to)}/docker-compose.yml"
+set :env, "#{fetch(:deploy_to)}/.env"

config/deploy/production.rb

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+server '192.168.50.4', user: 'vagrant', roles: %w{app db web}
+
+after 'deploy:updated', 'docker:build'
+after 'deploy:updated', 'template:compose'
+after 'deploy:updated', 'template:env'
+
+after 'deploy:updated', 'composer:install'
+
+after 'deploy:updated', 'docker:stop'
+
+after 'deploy:updated', 'artisan:migrate'
+after 'deploy:updated', 'artisan:seed'
+
+after 'deploy:published', 'docker:up'

config/deploy/staging.rb

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+# server-based syntax
+# ======================
+# Defines a single server with a list of roles and multiple properties.
+# You can define all roles on a single server, or split them:
+
+# server "example.com", user: "deploy", roles: %w{app db web}, my_property: :my_value
+# server "example.com", user: "deploy", roles: %w{app web}, other_property: :other_value
+# server "db.example.com", user: "deploy", roles: %w{db}
+
+
+
+# role-based syntax
+# ==================
+
+# Defines a role with one or multiple servers. The primary server in each
+# group is considered to be the first unless any hosts have the primary
+# property set. Specify the username and a domain or IP for the server.
+# Don't use `:all`, it's a meta role.
+
+# role :app, %w{deploy@example.com}, my_property: :my_value
+# role :web, %w{user1@primary.com user2@additional.com}, other_property: :other_value
+# role :db,  %w{deploy@example.com}
+
+
+
+# Configuration
+# =============
+# You can set any configuration variable like in config/deploy.rb
+# These variables are then only loaded and set in this stage.
+# For available Capistrano configuration variables see the documentation page.
+# http://capistranorb.com/documentation/getting-started/configuration/
+# Feel free to add new variables to customise your setup.
+
+
+
+# Custom SSH Options
+# ==================
+# You may pass any option but keep in mind that net/ssh understands a
+# limited set of options, consult the Net::SSH documentation.
+# http://net-ssh.github.io/net-ssh/classes/Net/SSH.html#method-c-start
+#
+# Global options
+# --------------
+#  set :ssh_options, {
+#    keys: %w(/home/rlisowski/.ssh/id_rsa),
+#    forward_agent: false,
+#    auth_methods: %w(password)
+#  }
+#
+# The server-based syntax can be used to override options:
+# ------------------------------------
+# server "example.com",
+#   user: "user_name",
+#   roles: %w{web app},
+#   ssh_options: {
+#     user: "user_name", # overrides user setting above
+#     keys: %w(/home/user_name/.ssh/id_rsa),
+#     forward_agent: false,
+#     auth_methods: %w(publickey password)
+#     # password: "please use keys"
+#   }

lib/capistrano/tasks/artisan.rake

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+namespace :artisan do
+  desc 'Running migrations'
+  task :migrate do
+    on roles(:app) do
+      within release_path do
+        execute 'docker-compose' , :run, '--rm', 'todolist-server', :php, :artisan, :migrate, '--force'
+      end
+    end
+  end
+
+  desc 'Running seed'
+  task :seed do
+    on roles(:app) do
+      within release_path do
+        execute 'docker-compose' , :run, '--rm', 'todolist-server', :php, :artisan, 'db:seed', '--force'
+      end
+    end
+  end
+end

lib/capistrano/tasks/composer.rake

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+namespace :composer do
+  desc 'Install dependencies'
+  task :install do
+    on roles(:app) do
+      within release_path do
+        execute 'docker-compose' , :run, '--no-deps', '--rm', '-u www-data', 'todolist-server', :composer, :install, '--no-dev', '--quiet'
+      end
+    end
+  end
+end

lib/capistrano/tasks/docker.rake

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+namespace :docker do
+  desc 'Build images'
+  task :build do
+    on roles(:app) do
+      set :previous_release_path, previous_release
+      within release_path do
+        execute :docker, :build, '-t', fetch(:application), "#{release_path}/provisioning"
+      end
+    end
+  end
+
+  desc 'Stopping old containers'
+  task :stop do
+    on roles(:app) do
+      if fetch(:previous_release_path, false)
+        within fetch(:previous_release_path) do
+          containers = capture :'docker-compose', 'ps', '-q'
+          unless containers.empty?
+            info "Purging containers of previous release at #{fetch(:previous_release_path)}"
+            execute :'docker-compose', 'down', '--remove-orphans'
+          end
+        end
+      end
+    end
+  end
+
+  desc 'Run app containers'
+  task :up do
+    on roles(:app) do
+      within release_path do
+        execute "docker-compose", :up, "-d"
+      end
+    end
+  end
+
+  def previous_release
+    path = "#{fetch(:deploy_to)}/current"
+
+    if test("[ -L #{path} ]")
+      return capture("readlink -f #{path}")
+    end
+
+    return nil
+  end
+end

lib/capistrano/tasks/template.rake

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+namespace :template do
+  desc 'Copying the docker-compose file'
+  task :compose do
+    on roles(:app) do
+      within release_path do
+        execute :cp, fetch(:docker_compose), 'docker-compose.yml'
+      end
+    end
+  end
+
+  desc 'Copying the .env file'
+  task :env do
+    on roles(:app) do
+      within release_path do
+        execute :cp, fetch(:env), '.env'
+      end
+    end
+  end
+end