$webapp_list = lookup('webapps', Hash, 'hash')
$webapp_list.each | $app_name, $app_info| {
  $app_port = $app_info[port]
  $app_description = $app_info[description]
  $app_settings = [ $app_info[settings] ]

webapps:
    webapp-template:
            port: 5001
            description: "Webapp Description"
            live: false
            settings:
                    FLASK_APP: appname.py
                    MAIL_USERNAME: email@example.com
                    MAIL_PASSWORD: <extra strong password>

<% @app_settings.each do |settingKey, settingValue| -%>
  export <%= settingKey -%>='<%= settingValue -%>'
<% end %>

export FLASK_APP=appname.py
export MAIL_USERNAME=email@example.com
export MAIL_PASSWORD=<extra strong password>

Info: Using configured environment 'special'
Info: Retrieving pluginfacts
Info: Retrieving plugin
Error: Could not retrieve catalog from remote server: Error 500 on SERVER: Server Error: Evaluation Error: Error while evaluating a Function Call, Failed to parse template webapps/settings.conf.erb:
  Filepath: /etc/puppet/code/modules/webapps/templates/settings.conf.erb
  Line: 2
  Detail: undefined method `each' for nil:NilClass
 at /etc/puppet/code/modules/webapps/manifests/init.pp:40:18 on node web.home
Warning: Not using cache on failed catalog
Error: Could not retrieve catalog; skipping run

export {"FLASK_APP"=>"appname.py", "MAIL_USERNAME"=>"email@example.com", "MAIL_PASSWORD"=>"<extra strong password>"}=''