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Nunjucks: inject Express request to templates

On my free time, I recently started to think about the next version of my photography portfolio which starts to be old and especially is not designed to be effectively browsable on tablets.
And, there are also other things I'd like to fix...

Anyway, as I recently got some basic skills in NodeJS, I challenged myself to rewrite my dear portfolio with this technology. I looked for an interesting templating engine not too far from Twig which I like a lot then I chose to go with Nunjucks, which is very similar and seems not to be dead.

In my

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Build a basic Docker stack on Digital Ocean

As I'm getting more and more familiar with NodeJS and Docker, I'd like to Dockerize the few Webapps that run on this server so I can avoid to maintain different stacks.

I use Digital Ocean virtual hosting and I'm pretty happy with it.

Docker is straigtforward enough when it comes to run some containers for testing or development purposes but when you need to deal with High Availability or auto-scaling, it could become a real pain in the ass to configure a CoreOS cluster with all the layers that comes with it.
You'd need to setup fleet, a reverse proxy

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JS: Singleton as a module

When you develop a NodeJS application, you probably get to work with services and as much as possible with service dependency injection.
As I worked quite a lot with Symfony lately, I wanted to be able to manage my NodeJS services as it should be, and in some case, like a database connection: a single instance for the whole script.

I quicky looked onto Internet to see how to build a singleton in JavaScript (pardon my weak skills in this language) and I quickly found what I was (almost) looking for.

Code examples provided in the different posts I've read

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NodeJS: Quick dev server

I'm on a nice project where I need to develop a kind of proxy in NodeJS. When you work to forward data after possible filtering or transformation, it's never too easy to quickly set up an environment in order to test your on-going development.

Using NodeJS, I extended my colleague very small HTTP server that just returns a 201 HTTP code and prints the request body in the console:

// debug-server.js
var http = require('http');  
var port = process.env.PORT || 8080;  
var host = '';

http.createServer(function (request, response) {  
    // console.log(request.headers);
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RabbitMQ installation on Vagrant/Centos

Today I wanted to update our AMQP producer payload so I needed to have RabbitMQ installed and ready in my Vagrant virtual machine. We use Centos 6.

In our Vagrantfile:

config.vm.network :private_network, ip: "192.168.x.x"

The EPEL rabbitmq-server is in version 3.1.5 while the latest version (and the version where the plugin management command sits) is the 3.5.3.

So, in order to install the RabbitMQ server:

$ sudo yum install erlang
$ wget http://www.rabbitmq.com/releases/rabbitmq-server/v3.5.3/rabbitmq-server-3.5.3-1.noarch.rpm
$ sudo rpm --import https://www.rabbitmq.
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OSX: Dealing with property list files

During my last CareerBuilder Hackathon, I worked finished a project that will incredibly help our growing tech teams. If you ever worked in a consulting company, you know how painful it is to wait to gather server credentials and set up them on your machine to be fully operational.

My project is very simple but damn useful: it generates several type of configuration directly from our platform API. You need to have SSH access to servers or connect to database servers? No problems, you provide your SSH user/key path and I take care of generating the file for you

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