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You’re a web developper and among your daily tasks are installing/updating/running the same scripts, binaries again again and again.

Pre-docker era.

As a Backend PHP developper, we all have php-cli installed using Homebrew. Several tools rely on the PHP runtime, such as Composer, PhpUnit, Phing and more. Nowadays Npm/Bower/Grunt are becoming defacto standard for web projects and are part of your app building/developing process.

Getting all theses tools set up, requires time. Each one has severals ways to be installed/updated. What’s your company strategy ? How do you maintain consistency (same versions of software) between all your developers. On-boarding new developers is a nightmare and takes severals days to get their workstation to work. Blindly following an outdated README. …


In the good old days deploying your app/website to production was as easy as droping some files through your favorite FTP client. Whereas todays app are more complex and more technologies/people are involved in the process . Several building process are required before even thinking of pushing you app to production. You all know these build step. Here is a non exhaustive list: handling backend dependencies with composer,generating autoloads, inflate configuration files with db credentials and environnement dependent parameters building the whole front-end with npm, bower and grunt.

The preferred tool for streamlining this tedious step is Phing. Phing is port of the java ANT tool. …


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When running docker images you’ll see the following, images weighting several hundred of MBs. Even simple container, providing one singe service are heavy. Why ? Because base images used, such as Ubuntu, Centos and Debian images are themselves very heavy.

Images based on busybox could have been an alternative, but is too far from full-featured linux OSes, we’re used to. And building images from busybox aren’t straighforward, and often requires compilation from source.

About

h4md1

Docker lover, Automation addict, PHP developper, open source software evangelist.

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