Fix the Vagrantfile for Github runners

Vagrantfile

@@ -16,13 +16,9 @@ SSH_FORWARD  = settings['SSH_FORWARD']  || false
 
 # Default to shell environment variable: PLAYBOOK (priority #1)
 PLAYBOOK=ENV["PLAYBOOK"]
-if !PLAYBOOK
+if !PLAYBOOK || PLAYBOOK.empty?
   # PLAYBOOK setting in .vagrant.yml (priority #2)
-  PLAYBOOK = settings['PLAYBOOK'] || false
-  if !PLAYBOOK || PLAYBOOK.empty?
-    puts "[VAGRANTFILE ERROR]: Set PLAYBOOK setting in .vagrant.yml"
-    abort
-  end
+  PLAYBOOK = settings['PLAYBOOK'] || 'default'
 end
 
 Vagrant.configure("2") do |config|

dev/default.yml

@@ -0,0 +1,4 @@
+- name: Install 'default' aka nothing
+  hosts: all
+  become: true
+  tasks: []

dev/host_vars/nginx.yml

@@ -14,7 +14,7 @@ traefik_auth: admin:$apr1$T1l.BCFz$Jyg8msXYEAUi3LLH39I9d1 # admin:admin
 #traefik_acme_email: realemail@example.com # Let's Encrypt settings
 #traefik_production: true
 
-# staticweb
+# nginx
 nginx_domain: nginx.vm.krislamo.org
 nginx_name: staticsite
 nginx_repo_url: https://git.krislamo.org/kris/example-website/

dev/nginx.yml

@@ -1,10 +1,10 @@
-- name: Install a static web container
+- name: Install nginx server (docker)
   hosts: all
   become: true
   vars_files:
-    - host_vars/staticweb.yml
+    - host_vars/nginx.yml
   roles:
     - base
     - docker
     - traefik
-    - staticweb
+    - nginx