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Adam Culp:
Easy Docker dev environments for PHP with CloudEstuary
Apr 17, 2017 @ 15:14:09

Adam Culp has written up a new post to his site showing you how to use the CloudEstuary service to easily create Docker development environments for your day to day work.

Lately I’ve been messing around with Docker, and specifically with containerizing PHP applications to perform quick services, such as static analysis of PHP code, compatibility of existing PHP code to specific versions of PHP, and performing security checks on PHP libraries included in my projects. However, I’ve not created a development environment for my projects using Docker.

[...] But today I found another way [besides using Vagrant]. A way to easily create PHP development environments with Docker. The fine folks at CloudEstuary have created an easy to use web-based tool to create PHP development environments (yml files) for use with Docker-compose.

He then walks you through the process of creating a new environment, selecting the framework to be installed by default and other "add-ons" to be include (it also allows for the addition of workers). After clicking on the "Generate Docker Compose" button the service spits out the YAML configuration file you can then use to create the environment. There's a few tweaks he recommends making to the config and, finally, the command to use the configuration and bring the environment up.

tagged: docker cloudestuary service compose tutorial configuration

Link: http://www.geekyboy.com/archives/1321

Rob Allen:
Using CircleCI for a PHP project
Apr 03, 2017 @ 09:56:20

In a post to his site Rob Allen shares a basic setup for using Circle CI with a PHP project for continuous integration. Circle CI provides the resources to build your project and perform tasks such as run unit tests or even deploy the resulting code to the production environment.

For a new client project, I've decided to use CircleCI to run my tests every time I push to GitHub. This turned out to be quite easy; this is how I did it.

He shares the contents of his .circleci/config.yml configuration file creating a Docker environment each time the build is executed, installing the required software, executing Composer install and running PHPCS and PHPUnit tests. He shares an example of the output from a build and how he hooked in Slack to receive notifications when the builds were complete (and pass/fail status).

tagged: circleci service continuous integration project tutorial configuration docker

Link: https://akrabat.com/using-circleci-for-a-php-project/

Stefan Koopmanschap:
Sculpin and Docker
Mar 22, 2017 @ 12:49:05

Stefan Koopmanschap has written up a tutorial on his site introducing the use of Docker and Sculpin to create an easily reproducible and manageable blogging setup.

I've been running this blog on Sculpin for quite a while now, and I'm quite happy with how that works. We've been in a process of migrating some of our websites off a standard VPS towards a setup with Docker, Gitlab CI and Rancher. I've now migrated some websites, which is relatively easy, but most of those sites were dynamic PHP websites. Migrating a site that generates static HTML and running that is a slightly different thing. Here's how I ended up doing it.

First he covers his old setup - essentially the manual run of a shell command to generate the latest version of a the static Sculpin site. He decided to update the process and help makes things more automatic using Docker and a Gitlab pipeline flow. He then documents his attempts and configuration options as he built up the Docker configuration he wanted. This ultimately resulted in a Docker setup that installed PHP and Nginx to serve up the site, Composer to load in the required dependencies (like Sculpin) and the commands to "deploy" the latest version of the site publicly.

tagged: sculpin docker setup configuration tutorial dockerfile php7

Link: https://leftontheweb.com/blog/2017/03/18/sculpin-and-docker/

Scotch.io:
Get Started Running Laravel in a Docker Container
Mar 07, 2017 @ 14:07:28

The Scotch.io blog has a new tutorial posted showing you how to get a Laravel application up and running in a Docker container with a minimal amount of work. The article assumes you already have a working knowledge of Laravel and Docker, so if you're not familiar with those you'll need to read up there first.

Laravel and Docker are two very popular tools of choice when considering building for the web. Although both of them do very different things, they can both be combined to create amazing products.

For our use case, we will be running Laravel in a Docker container. This is going to be a simple demonstration on how to use both products to create real-life applications. Nothing heavy.

The tutorial starts with some of the prerequisites you'll need before getting started but quickly gets into the commands you'll need to set up your environment. Using a custom Docker container they show you the configuration to get the container set up, how to build the database connection, bring the container up and verify all is working as expected.

tagged: docker laravel container tutorial introduction installation configuration

Link: https://scotch.io/tutorials/get-started-running-laravel-in-a-docker-container

Alejandro Celaya:
Run PHPUnit tests inside a docker container from PhpStorm
Feb 02, 2017 @ 11:14:04

Alejandro Celaya has a tutorial posted on his site showing you how you can improve your PHP workflow by running your unit tests in a Docker container from inside of PHPStorm.

Docker is, without any doubt, the trending tool these days. Everybody wants to use it, because it is very useful, allowing to easily generate development environments for any kind of application.

A couple months ago I started working with docker myself (it has taken me a while, I know), and now I can't imagine working without it. I started using it at work, but now I'm migrating all of my OSS projects too.

With Docker involved things get a bit more tricky when it comes to running your unit tests directly from PHPStorm (unlike local where it's just a few clicks away). Thankfully recent versions of PHPStorm come with a feature in the "Build, Execution, Deployment" that lets you define the location of the Docker executable. Then you'll need to set up a remote interpreter to link to the PHP binary then take that and link it back to the Docker installation. He ends the post showing how you can ensure it's working complete with a screenshot of the console showing the test results.

tagged: phpunit docker phpstorm container ide tutorial unittest

Link: https://blog.alejandrocelaya.com/2017/02/01/run-phpunit-tests-inside-docker-container-from-phpstorm/

James Cowie:
All hail Xdebug and lets let var dump die
Jan 12, 2017 @ 12:58:23

In a recent post to his site James Cowie sings the praises of Xdebug for debugging and says that "var_dump must die" as a method for debugging in your application development flow.

How many times have you been working in Magento or any other php application and hit an error, exception or something not quite right? For me a lot. I’ve been that developer that debugs by fire and throws echo var_dumps and dies around like a western gunslinger. It’s easy, provides quick feedback cycles but lets be honest its lazy, in efficient, rarely provides all of the data you need to solve the problem on the first try and its not something you want to boast about by the coffee machine.

[...] So whats the “better” way of debugging a application? Well welcome Xdebug + PHPStorm. Imagine inside of the IDE we can set a breakpoint, a fancy die and reload our web page. Magically the IDE has stopped execution and we can see the state of the application at that exact path. We can see the variables and we can step through the code and see exactly what class and method is called next and so on and so forth.

While his instructions are specific to PHPStorm, most major IDEs will have a similar setup process with their own tweaks. In his case, though, he has one more layer of complexity - the PHP is executing inside a Docker container. He walks you through the process he followed to get the flow from container to local IDE set up. He wraps up the post with an example of debugging a script and what the results look like inside of PHPStorm (including a screencast).

tagged: xdebug vardump phpstorm docker container tutorial

Link: http://jamescowie.me/blog/2016/12/all-hail-xdebug-and-lets-let-var-dump-die/

Mattias Noback:
Containerizing a static website with Docker, part III
Jan 09, 2017 @ 11:48:46

Matthias Noback has posted the third part of his "containerizing a static website with Docker" service, continuing on from his previous two posts to look at deploying the environment he's created.

In the previous posts we looked at creating a build container, and after that we created a blog container, serving our generated static website.

It's quite surprising to me how simple the current setup is — admittedly, it's a simple application too. It takes about 50 lines of configuration to get everything up and running.

The idea of the blog container, which has nginx as its main process, is to deploy it to a production server whenever we feel like it, in just "one click". There should be no need to configure a server to host our website, and it should not be necessary to build the application on the server too. This is in fact the promise, and the true power of Docker.

He then gets into the two remaining steps in the process resulting in the deployment of the simple application: pushing to Docker Hub and deploying out to a DigitalOcean server. He includes all of the commands and configuration you'll need to get the process set up and work with the remote machine.

tagged: docker series container part3 deploy dockerhub digitalocean

Link: https://php-and-symfony.matthiasnoback.nl/2017/01/containerizing-a-static-website-with-docker-part-iii/

Matthias Noback:
Containerizing a static website with Docker (Part 1 & 2)
Jan 06, 2017 @ 09:07:39

Matthias Noback has started a series to his site showing you how to use Docker along with a static site, like one generated with Sculpin to create a complete environment. So far he's posted part one and part two.

Recently a former colleague of mine, Lucas van Lierop, showed me his new website, which he created using Spress. Lucas took two bold moves: he started freelancing, and he open-sourced his website code. This to me was very inspiring. I've been getting up to speed with Docker recently and am planning to do a lot more with it over the coming months, and being able to take a look at the source code of up-to-date projects that use Docker is certainly invaluable.

Taking lots of inspiration from Lucas's codebase, and after several hours of fiddling with configuration files, I can now guide you through the steps it took to containerize my blog (which is the site you're visiting now) and deploy a single container to a production server.

In part one he talks about how his blog is currently set up - based on a "large set of Markdown files" - and using Sculpin to generate the resulting site. He walks through the configuration of the Sculpin installation and how to configure and build the initial container, the "build" container.

In part two he continues the process but creates a "blog" container this time. This container runs the web server itself (nginx) configured as required by the Sculpin formatting.

tagged: container docker static website tutorial series part1 part2

Link: http://php-and-symfony.matthiasnoback.nl/categories/Docker/

Gonzalo Ayuso:
Playing with Docker, Silex, Python, Node and WebSockets
Jan 03, 2017 @ 09:47:19

Gonzalo Ayuso has a new post to his site sharing some of the results of his work combining Docker, Silex, Python, Node and WebSockets, discovering how to create a complete platform with these tools.

I’m learning Docker. In this post I want to share a little experiment that I have done. I know the code looks like over-engineering but it’s just an excuse to build something with docker and containers. Let me explain it a little bit.

The idea is build a Time clock in the browser. [...] Yes I know. We can do it only with js, css and html but we want to hack a little bit more. The idea is to create: a Silex/PHP frontend, a WebSocket server with socket.io/node [and a] Python script to obtain the current time.

He then starts in on the code, first creating the WebSocket server in Node then the Python script that makes an internal request to get the time and return it. Then the Silex route is created to serve up the template for the page and the code it uses to connect back to the websocket. The post ends with the Docker configuration he used to create the Docker environment all of this lives in.

tagged: docker silex python node websockets tutorial environment

Link: https://gonzalo123.com/2017/01/02/playing-with-docker-silex-python-node-and-websockets/

Master Zend Framework:
How to Build a Docker Test Environment
Sep 28, 2016 @ 11:20:40

The Master Zend Framework site continues their series covering the creation of a Docker-based testing environment in this second part highlighting the addition of testing support.

In the first part in this series on developing web applications using Docker, we saw how to create a local development environment using Docker; one ideally suited to creating Zend Expressive (or any other kind of PHP-based web application). But, what we didn’t cover was how to handle testing in a Docker-based environment.

[...] How do you run tests when working with Docker containers? After a bit of searching, I found that it’s not that difficult. But you have to use the right combination of commands.

Since unit tests can be run locally if need be (they shouldn't need any resources from the service if they're true unit tests) he focuses on acceptance testing. For his examples he uses the Codeception testing tool. He walks you through the setup of some simple tests based on the "home" page functionality of the Zend Expressive skeleton application. With that in place, he shows the updates that will need to be made to execute the tests from outside the instance via a "docker exec" call. The post finishes with a look at adding two other tools to the mix as well: Make and Phing.

tagged: docker test environment series part2 testing acceptance codeception make phing

Link: http://www.masterzendframework.com/how-to-build-a-docker-test-environment/