» Local Development with Docker, Nginx to serving multiple Wordpress sites » 21 Aug 2015

Quick post here.. my last post focused on hosting multiple Wordpress sites on a remote DigitalOcean instance, which is grand and all but most developers want to run things locally first to test things out.

Here’s a quick guide to getting things ready locally before running the steps in the previous post

  1. Install DockerToolbox from Docker.io.
    • This also installs Kitematic, which is a handy GUI for managing Docker containers.
  2. Start Docker/Kitematic and run the following command to get the IP Address of the underlying virtual machine:
    • ‘default’ is the name of the VM Docker Machines creates on setup.

      docker-machine ip default
  3. Update your hosts file to point to the expected SSL domains:
    • On OSX, run the following command in the terminal:

      sudo nano /etc/hosts
    • Insert a line for each SSL certificate you want to use (The I.P. Addr is whatever the boot2docker vm IP Addr is) e.g: capslocknotificationapp.com <SSL-Cert-Name>
    • Sometimes you need to refresh the DNS Cache:

      dscacheutil -flushcache; sudo killall -HUP mDNSResponder
  4. Get your SSL Certificates and create a folder to place them in.
    • Ideally, create a sub-folder in the local Kitematic directory (you can change the where a Docker container’s volume points to in Kitematic)
    • On OSX, Kitematic defaults to /Users/<username>/Documents/Kitematic

      mkdir /Users/<username>/Documents/Kitematic/nginx-proxy/root/certs
  5. Run the steps in the previous post.

This should get you up and running with the ability to test HTTPS connections.

Note: Don’t forget to remove the host file redirects before testing the real site!

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