docs/recipe/symfony.md
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# How to Deploy a Symfony Application
```php
require 'recipe/symfony.php';
```
[Source](/recipe/symfony.php)
Deployer is a free and open source deployment tool written in PHP.
It helps you to deploy your Symfony application to a server.
It is very easy to use and has a lot of features.
Three main features of Deployer are:
- **Provisioning** - provision your server for you.
- **Zero downtime deployment** - deploy your application without a downtime.
- **Rollbacks** - rollback your application to a previous version, if something goes wrong.
Additionally, Deployer has a lot of other features, like:
- **Easy to use** - Deployer is very easy to use. It has a simple and intuitive syntax.
- **Fast** - Deployer is very fast. It uses parallel connections to deploy your application.
- **Secure** - Deployer uses SSH to connect to your server.
- **Supports all major PHP frameworks** - Deployer supports all major PHP frameworks.
You can read more about Deployer in [Getting Started](/docs/getting-started.md).
The [deploy](#deploy) task of **Symfony** consists of:
* [deploy:prepare](/docs/recipe/common.md#deployprepare) – Prepares a new release
* [deploy:info](/docs/recipe/deploy/info.md#deployinfo) – Displays info about deployment
* [deploy:setup](/docs/recipe/deploy/setup.md#deploysetup) – Prepares host for deploy
* [deploy:lock](/docs/recipe/deploy/lock.md#deploylock) – Locks deploy
* [deploy:release](/docs/recipe/deploy/release.md#deployrelease) – Prepares release
* [deploy:update_code](/docs/recipe/deploy/update_code.md#deployupdate_code) – Updates code
* [deploy:shared](/docs/recipe/deploy/shared.md#deployshared) – Creates symlinks for shared files and dirs
* [deploy:writable](/docs/recipe/deploy/writable.md#deploywritable) – Makes writable dirs
* [deploy:vendors](/docs/recipe/deploy/vendors.md#deployvendors) – Installs vendors
* [deploy:cache:clear](/docs/recipe/symfony.md#deploycacheclear) – Clears cache
* [deploy:publish](/docs/recipe/common.md#deploypublish) – Publishes the release
* [deploy:symlink](/docs/recipe/deploy/symlink.md#deploysymlink) – Creates symlink to release
* [deploy:unlock](/docs/recipe/deploy/lock.md#deployunlock) – Unlocks deploy
* [deploy:cleanup](/docs/recipe/deploy/cleanup.md#deploycleanup) – Cleanup old releases
* [deploy:success](/docs/recipe/common.md#deploysuccess) –
The symfony recipe is based on the [common](/docs/recipe/common.md) recipe.
## Configuration
### symfony_version
[Source](https://github.com/deployphp/deployer/blob/master/recipe/symfony.php#L8)
```php title="Default value"
$result = run('{{bin/console}} --version');
preg_match_all('/(\d+\.?)+/', $result, $matches);
return $matches[0][0] ?? 5.0;
```
### shared_dirs
[Source](https://github.com/deployphp/deployer/blob/master/recipe/symfony.php#L14)
Overrides [shared_dirs](/docs/recipe/deploy/shared.md#shared_dirs) from `recipe/deploy/shared.php`.
```php title="Default value"
[
'var/log',
]
```
### shared_files
[Source](https://github.com/deployphp/deployer/blob/master/recipe/symfony.php#L18)
Overrides [shared_files](/docs/recipe/deploy/shared.md#shared_files) from `recipe/deploy/shared.php`.
```php title="Default value"
[
'.env.local'
]
```
### writable_dirs
[Source](https://github.com/deployphp/deployer/blob/master/recipe/symfony.php#L22)
Overrides [writable_dirs](/docs/recipe/deploy/writable.md#writable_dirs) from `recipe/deploy/writable.php`.
```php title="Default value"
[
'var',
'var/cache',
'var/log',
'var/sessions',
]
```
### log_files
[Source](https://github.com/deployphp/deployer/blob/master/recipe/symfony.php#L29)
```php title="Default value"
'var/log/*.log'
```
### migrations_config
[Source](https://github.com/deployphp/deployer/blob/master/recipe/symfony.php#L31)
### doctrine_schema_validate_config
[Source](https://github.com/deployphp/deployer/blob/master/recipe/symfony.php#L33)
### bin/console
[Source](https://github.com/deployphp/deployer/blob/master/recipe/symfony.php#L35)
```php title="Default value"
'{{bin/php}} {{release_or_current_path}}/bin/console'
```
### console_options
[Source](https://github.com/deployphp/deployer/blob/master/recipe/symfony.php#L37)
```php title="Default value"
return '--no-interaction';
```
## Tasks
### database:migrate
[Source](https://github.com/deployphp/deployer/blob/master/recipe/symfony.php#L42)
Migrates database.
### doctrine:schema:validate
[Source](https://github.com/deployphp/deployer/blob/master/recipe/symfony.php#L52)
Validate the Doctrine mapping files.
### deploy:cache:clear
[Source](https://github.com/deployphp/deployer/blob/master/recipe/symfony.php#L57)
Clears cache.
### deploy
[Source](https://github.com/deployphp/deployer/blob/master/recipe/symfony.php#L66)
Deploys project.
This task is group task which contains next tasks:
* [deploy:prepare](/docs/recipe/common.md#deployprepare)
* [deploy:vendors](/docs/recipe/deploy/vendors.md#deployvendors)
* [deploy:cache:clear](/docs/recipe/symfony.md#deploycacheclear)
* [deploy:publish](/docs/recipe/common.md#deploypublish)