Creating a development environment

After learning about how to manage environments, let's try it out by refactoring our existing code and create a dev environment. To test it, let's create a variable called "env_name" and change the default page of Nginx to dynamically use this variable and print the environment name. We will then try to override this variable from the environment. Let's take a look at the following steps:

1. Let's begin by setting the default variable:

   #group_vars/all
   env_name: default

2. Then, change the Nginx task to use a template instead of a static file, so make the following modification in the roles/nginx/tasks/configure.yml file:

    - name: create home page for default site
       copy: src=index.html dest=/usr/share/nginx/html/index.html

   Modify it into the following code:

    - name: create home page for default site
      template:
        src: index.html.j2
        dest: /usr/share/nginx/html/index.html

3. Let's now try running the playbook without creating the environment:

   $ ansible-playbook...