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# How to Deploy Symfony

[Source](/recipe/symfony.php)

## How to deploy a Symfony project with zero downtime?

- First, [install](/docs/installation.md) the Deployer. 
- Second, require `recipe/symfony.php` recipe into your _deploy.php_ or _deploy.yaml_ file.
- Third, now you can have a zero downtime deployment!

Did you know that you can deploy **Symfony** project with a single command? Just execute `dep deploy`.
Something went wrong? Just run `dep rollback` to rollback your changes.
Also, you can take an advantage of the [Deployer's CLI](/docs/cli.md) to deploy your project.

Another cool feature of the Deployer is [provisioning](/docs/recipe/provision.md). Take any server, and run `dep provision` command.
This command will configure webserver, databases, php, https, and more. 
You will get everything you need to run your **Symfony** project.

Deployer does next steps to [deploy](#deploy) **Symfony**:
* Displays info about deployment
* Prepares host for deploy
* Locks deploy
* Prepares release
* Updates code
* Creates symlinks for shared files and dirs
* Makes writable dirs
* Installs vendors
* Clears cache
* Creates symlink to release
* Unlocks deploy
* Cleanup old releases


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)


### 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',
]
```


### migrations_config
[Source](https://github.com/deployphp/deployer/blob/master/recipe/symfony.php#L29)


### doctrine_schema_validate_config
[Source](https://github.com/deployphp/deployer/blob/master/recipe/symfony.php#L31)


### bin/console
[Source](https://github.com/deployphp/deployer/blob/master/recipe/symfony.php#L33)


```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#L35)


## Tasks

### database:migrate
[Source](https://github.com/deployphp/deployer/blob/master/recipe/symfony.php#L40)

Migrates database.


### doctrine:schema:validate
[Source](https://github.com/deployphp/deployer/blob/master/recipe/symfony.php#L50)

Validate the Doctrine mapping files.


### deploy:cache:clear
[Source](https://github.com/deployphp/deployer/blob/master/recipe/symfony.php#L55)

Clears cache.


### deploy
[Source](https://github.com/deployphp/deployer/blob/master/recipe/symfony.php#L64)

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)