Added dropdown for choice of PHP version

templates/Joomla/0/docker-compose.yml

@@ -2,7 +2,9 @@ version: '2'
 
 services:
   joomla:
-    image: joomla:latest
+    {{- if eq .Values.IMAGE_VERSION "Apache (PHP 7.1)"}}image: joomla:php7.1-apache{{- else}}
+    {{- if eq .Values.IMAGE_VERSION "Apache (PHP 7.2)"}}image: joomla:php7.2-apache{{- else}}
+    {{- if eq .Values.IMAGE_VERSION "Apache (PHP 7.3)"}}image: joomla:php7.3-apache{{- end}}
     dns: # Using Cloudflare DNS
       - 1.1.1.1
       - 1.0.0.1

templates/Joomla/0/rancher-compose.yml

@@ -40,6 +40,18 @@ catalog:
       required: true
       type: password
 
+    - variable: "IMAGE_VERSION"
+      label: "Image Version"
+      description: |
+        What version of the image should be used.
+      # default:
+      required: true
+      type: enum
+      options:
+        - Apache (PHP 7.1)
+        - Apache (PHP 7.2)
+        - Apache (PHP 7.3)
+
     - variable: "DATA_DIR"
       label: "Data Directory"
       description: |