Docker stack for Symfony projects

:octocat:

Basic info

Previous requirements

This stack needs docker and docker-compose to be installed.

Installation

Create a .env file from .env.dist and adapt it according to the needs of the application
```
$ cp .env.dist .env && nano .env
```
Due to an Elasticsearch 6 requirement, we may need to set a host's sysctl option and restart (More info):
```
$ sudo sysctl -w vm.max_map_count=262144
```
Build and run the stack in detached mode (stop any system's ngixn/apache2 service first)
```
$ docker-compose build
$ docker-compose up -d
```

Get the bridge IP address

$ docker network inspect bridge | grep Gateway | grep -o -E '[0-9\.]+'
# OR an alternative command
$ ifconfig docker0 | awk '/inet:/{ print substr($2,6); exit }'

Update your system's hosts file with the IP retrieved in step 3

Prepare the Symfony application

Update Symfony env variables (.env)

#...
DATABASE_URL=mysql://db_user:db_password@mysql:3306/db_name
#...

Composer install & update the schema from the container

$ docker-compose exec php bash
$ composer install
$ symfony doctrine:schema:update --force

(Optional) Xdebug: Configure your IDE to connect to port 9001 with key PHPSTORM

How does it work?

We have the following docker-compose built images:

nginx: The Nginx webserver container in which the application volume is mounted.
php: The PHP-FPM container in which the application volume is mounted too.
mysql: The MySQL database container.
elk: Container which uses Logstash to collect logs, send them into Elasticsearch and visualize them with Kibana.
redis: The Redis server container.
rabbitmq: The RabbitMQ server/administration container.

Running docker-compose ps should result in the following running containers:

           Name                          Command               State              Ports
--------------------------------------------------------------------------------------------------
container_mysql         /entrypoint.sh mysqld            Up      0.0.0.0:3306->3306/tcp
container_nginx         nginx                            Up      443/tcp, 0.0.0.0:80->80/tcp
container_phpfpm        php-fpm                          Up      0.0.0.0:9000->9000/tcp
container_redis         docker-entrypoint.sh redis ...   Up      6379/tcp
container_rabbit        rabbitmq:3-management            Up      4369/tcp, 5671/tcp, 0.0.0.0:5672->5672/tcp, 15671/tcp, 25672/tcp, 0.0.0.0:15672->15672
container_elk           /usr/bin/supervisord -n -c ...   Up      0.0.0.0:5044->5044/tcp, 0.0.0.0:5601->5601/tcp, 0.0.0.0:9200->9200/tcp, 9300/tcp