The Docker Development Template

Docker

Development

Template

Jan Burkl
Solution Consultant
Zend, a Rogue Wave Company
jan@zend.com // @5square_de

Developer's Dream

https://www.justwatch.com/de/Film/Der-Flug-des-Navigators

1. Get Code
2. Get Dependencies
3. Start the Engines

Fast Forward

What has happened?

http://www.gamona.de/kino-dvd/deadpool-2,autoren-auch-das-sequel-benoetigt-kein-hohes-budget:news.html

docker-dev-template

https://bitbucket.org/account/user/janatzendteam/projects/DOC

My example project

What do I need?

Docker ≠ VirtualBox

one daemon

=

one container

"In almost all cases, you should
only run a single process in a single
container. Decoupling applications
into multiple containers makes it
much easier to scale horizontally
and reuse containers. If that service
depends on another service,
make use of container linking."

https://docs.docker.com/engine/userguide/eng-image/dockerfile_best-practices/

Docker Compose

"Compose is a tool for defining and
running multi-container Docker applications."

Challenge

http://www.foxmovies.com/movies/kingsman-the-secret-service

docker run -d -i -t -p 80:80 -p \
3000:3000 -p 3001:3001 -p \
2222:22 --name gsd alankent/gsd

docker run -it --rm --name my-running-script \
-v "$PWD":/usr/src/myapp \
-w /usr/src/myapp php:7.0-cli \
php your-script.php

Andy Weir, The Martian

Duct tape works anywhere.
Duct tape is magic and
should be worshipped.

http://the-martian-movie.tumblr.com/post/128648842093/duct-tape-here-duct-tape-there-engineering-on

docker-compose.yml

(.env)

https://bitbucket.org/janatzendteam/development/src/master/docker-compose.yml

docker-compose:
helps me defining (dev) infrastructure

Makefile

https://bitbucket.org/janatzendteam/development/src/master/Makefile

http://90to5.org/5MM/2015/ferris-buellers-day-off-1986/

make:
helps me controlling the infrastructure

Important Commands:

make build
make up
make stop
make clean
make docker-build
make exec-php

Docker Image - (pull or) build

http://www.theatlantic.com/technology/archive/2013/10/how-realistic-is-the-movie-em-gravity-em/280211/

Docker Hub
Private Docker Repository
Local Dockerfile
Remote Dockerfile

FAIL

Docker Updates
Docker Compose Updates
Permissions
Persistent Data

Permissions?
What's the problem?

apache writes files
write access for www-data
www-data not available on host
use uid and gid of local user (#)
chmod on apache dirs

Database
or
Where to store my persistent Data?

use Makefile to prepare
map local dir to /var/lib/mysql

Benefits

no huge files to handle
exchange containers
every step is documented
quick start

Danke schön

jan@zend.com / @5square_de

https://bitbucket.org/account/user/janatzendteam/projects/DOC
https://5square.github.io/talks/