Using Docker & Digital ocean to setup a development environment (Cloud IDE)

I currently develop on OSX and a Chromebook with Ubuntu 14.04 installed. I’m currently using a Cloud IDE (Codio) so that my development environment stays the same on both machines but I feel like I could replicate that using Digital Ocean and Docker.

Essentially, I want to create a couple of base development environments (Rails/Postgres and Node/Express/Angular/Mongo being the two big ones). Every time I start a new project I want to be able to start in a “fresh” environment. Of course, I want all of this to exist on one Digital Ocean droplet.

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    Like I mentioned over on DigitalOcean, this is certainly something that you could do with Docker. If you aren’t particularly experienced with Docker, I’d suggest following through their tutorials:

    https://www.docker.io/gettingstarted/

    After the introduction tutorial, learn about Dockerfiles, they are basically the templates used to create your containers:

    https://www.docker.io/learn/dockerfile/

    Just to give you a taste, an extremely basic Dockerfile to install Rails might look like:

    # Set the base image to use to Ubuntu
    FROM ubuntu
    
    
    # Update the repository
    RUN apt-get update
    
    
    # Install stuff
    RUN DEBIAN_FRONTEND=noninteractive apt-get -qy install postgresql curl
    RUN DEBIAN_FRONTEND=noninteractive apt-get install -yq ruby rails
    

    You then build it with:

    sudo docker build -t rails - < Dockerfile
    
    Docker will be the best open platform for developers and sysadmins to build, ship, and run distributed applications.