Capistrano tasks for deploying the Symfony standard edition
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* Show how to set environment variables

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README.md

Capistrano::Symfony

Symfony 4 specific tasks for Capistrano v3 (inspired by capifony).

It leverages the following capistrano tasks to deploy a Symfony app

Version information

Version 1.x

This version is built for Symfony 2 and 3.

Go to Version 1 documentation.

Version 2.x

This version is built for Symfony 4.

You are currently on the Version 2 branch.

Installation

Specify your dependencies:

# Gemfile
source 'https://rubygems.org'
gem 'capistrano',  '~> 3.11'
gem 'capistrano-symfony', '~> 2.0.0-alfa1'

Install your dependencies:

bundle install

When capistrano and capistrano-symfony is installed. Run the following command to set up your local files:

cap install

Make Capistrano aware of `'capistrano/symfony' by require capistrano-symfony in your new Capfile

# Capfile
require 'capistrano/symfony'

# If you use composer you might want this:
require 'capistrano/composer'

Usage

cap staging deploy
cap production deploy

Settings

If you are using a standard Symfony Flex application that follows the best practises then you do not need to change/add anything to your deploy.rb other than what is required from Capistrano.

We do however expose the following settings (shown with default evaluated values) that can be modified to suit your project. Please refer to lib/capistrano/symfony/defaults.rb to see exactly how the defaults are set up.

# symfony-standard edition directories
set :bin_path, "bin"
set :config_path, "config"
set :var_path, "var"
set :web_path, "public"

# The next settings are lazily evaluated from the above values, so take care
# when modifying them
set :log_path, "var/log"
set :cache_path, "var/cache"

set :symfony_console_path, "bin/console"
set :symfony_console_flags, "--no-debug"

# asset management
set :assets_install_path, "public"
set :assets_install_flags,  '--symlink'

# Share files/directories between releases
set :linked_dirs, ["var/logs"]
set :linked_files, []
# To use a .env file:
#set :linked_files, [".env"]

# Set correct permissions between releases, this is turned off by default
set :file_permissions_paths, ["var"]
set :permission_method, false

# Role filtering
set :symfony_roles, :all
set :symfony_deploy_roles, :all

# Add extra environment variables: 
set :default_env, {
 'APP_ENV' => 'prod'
 'SECRET' => 'foobar'
}

Flow

capistrano-symfony hooks into the flow offered by capistrano. It adds to that flow like so

  • symfony:create_cache_dir
  • symfony:set_permissions
  • symfony:cache:warmup
  • symfony:clear_controllers
deploy
|__ deploy:starting
|   |__ [before]
|   |   |__ deploy:ensure_stage
|   |   |__ deploy:set_shared_assets
|   |__ deploy:check
|__ deploy:started
|__ deploy:updating
|   |__ git:create_release
|   |__ deploy:symlink:shared
|   |__ symfony:create_cache_dir
|   |__ symfony:set_permissions
|   |__ symfony:make_console_executable
|__ deploy:updated
|   |__ symfony:cache:warmup
|   |__ symfony:clear_controllers
|__ deploy:publishing
|   |__ deploy:symlink:release
|   |__ deploy:restart
|__ deploy:published
|__ deploy:finishing
|   |__ deploy:cleanup
|__ deploy:finished
    |__ deploy:log_revision

File permissions

Set the permission_method variable to one of :chmod, :acl, or :chgrp in your deploy.rb to handle the common scenario of a web user and the deploy user being different.

Both will need access to the files/directories such as var/cache and public/uploads (if you handle uploads). Set file_permissions_users to your webserver user

Example:

# deploy.rb

set :permission_method, :acl
set :file_permissions_users, ["nginx"]
set :file_permissions_paths, ["var", "public/uploads"]

Note: Using :acl requires that setfacl be available on your deployment target. Note: If you are getting an error like setfacl: Option -m: Invalid argument near character 3,
it means that the users in file_permissions_users do not exist on your deployment target.

See the symfony documentation and the file permission capistrano plugin for reference.

Integrated common tasks

The following common tasks are available:

  • symfony:assets:install

So you can use them with hooks in your project's deploy.rb like this:

after 'deploy:updated', 'symfony:assets:install'
before 'deploy:updated', 'symfony:build_bootstrap'

Using the Symfony console

A task wrapping the symfony console is provided, making it easy to create tasks that call console methods.

For example if you have installed the DoctrineMigrationsBundle in your project you may want to run migrations during a deploy.

namespace :deploy do
  task :migrate do
    symfony_console('doctrine:migrations:migrate', '--no-interaction')
  end
end

If you want to execute a command on a host with a given role you can use the Capistrano on DSL, additionally using within from Capistrano will change the directory

namespace :deploy do
  task :migrate do
    on roles(:db) do
      symfony_console('doctrine:migrations:migrate', '--no-interaction')
    end
  end
end

Using composer

If you use composer, make sure your Capfile includes:

require 'capistrano/composer'

To download the composer executable add the following to your deploy.rb:

# First define deploy target: 
set :deploy_to, "/home/sites/com.example"

# Install composer if it does not exist
SSHKit.config.command_map[:composer] = "php #{shared_path.join("composer.phar")}"

Contributing

  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request