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Docker Stack for deployment of Nette Applications

This approach works with slight modifications works for most PHP web applications.

Containers

All containers should be treated as read-only unless is stated otherwise. Used patterns:

Such separation allows for building and orchestrating using composer meta information ie.: determining PHP version, necessary extensions etc.

Application (rixxi/sandbox)

Servers as storage of all necessary source codes and pre-built assets using directory structure from Nette Sandbox.

It is just an example, you should build your own image, just don't forget to put everything in /nette.

Configuration

For passing arguments to application via environment variables you can use rixxi/env but be sure to know its limitations.

Your app/config/config.local.neon should be either empty file or setup using environment variables.

env:
    whitelist: no # allow all environment variables without listing them

doctrine:
    host: %env.MYSQL_PORT_3006_TCP_ADDR%:%env.MYSQL_PORT_3006_TCP_PORT%

TIP: Your doctrine proxies should be already generated in temp.

Web Server (rixxi/nginx)

Web server with basic php-fpm configuration.

Environment

  • Server name
  • SSL settings (optional)

Dependencies

  • Application for static assets.
  • Server for execution.

Server (rixxi/php-fpm)

For execution of /nette/www/index.php.

Environment

  • Server name
  • Application specific configuration

Dependencies

  • Application for code.
  • Persistent Storage (optional) for cache, data and optionally sessions.

Persistent Data Storage (rixxi/data)

Simplifies configuration, backups, recoveries and lot of other stuff.

Persistent Cache Storage (rixxi/cache)

Simplifies erasing of cache and separates it from rest of the data.

File System Structure

Application should be in app container in /nette directory with document root in www. Cache is exporting /nette/temp/cache directory and journal file /nette/temp/dfjr.bin. Data is exporting /nette/data.

Examples

Production

Runs server with app and persistent storage at localhost:8080.

Create Persistent Storage for Data and Cache (Data Volume Container)

docker run --name project.cache rixxi/cache
docker run --name project.data rixxi/data

Either build containers locally or pull them from registry.

docker pull project/app
docker pull rixxi/php-fpm
docker pull rixxi/nginx

Run Service Containers

# remove garbage left from crashes
docker rm -f project.app
docker rm -f project.php-fpm
docker rm -f project.nginx

# application - data volume container
docker run -d project/app \
    project.app

# php-fpm server
docker run -d rixxi/php-fpm \
    --env 'SERVER_NAME=foo.bar' \
    --volumes-from project.app:app:ro \
    --volumes-from project.data \
    --volumes-from project.cache \
    project.php-fpm

# server
docker run -d rixxi/nginx \
    --publish 80:80 \
    --env 'SERVER_NAME=foo.bar' \
    --link project.php-fpm:php-fpm \
    --volumes-from project.app:ro \
    project.nginx

Development

Mount app /nette to directory with app code and build assets manually. If you need to debug data, mount persistent storage to local directory too.

docker run -d -v  vendor/app --volume ~/dev/vendor/package:/nette vendor.app