diff --git a/templates.json b/templates.json
index 5020fed..73ce2b4 100644
--- a/templates.json
+++ b/templates.json
@@ -228,228 +228,11 @@
           "name": "POSTGRES_PASSWORD",
           "label": "Password of the database user (mandatory)",
           "default": "jira"
-        }
-      ]
-    },
-    {
-      "type": 1,
-      "title": "Confluence Training Instance",
-      "description": "Installs a Confluence Training Instance",
-      "logo": "https://cdn.icon-icons.com/icons2/2429/PNG/512/confluence_logo_icon_147305.png",
-      "platform": "linux",
-      "name": "confluence-training",
-      "hostname": "confluence-training",
-      "categories": ["wiki", "atlassian", "confluence"],
-      "image": "confluence_training:1.0",
-      "volumes": [
-        {
-          "container": "/var/atlassian/application-data/confluence"
-        }
-      ],
-      "network": "app-net",
-      "env": [
-        {
-          "name": "VIRTUAL_HOST",
-          "label": "VIRTUAL_HOST: Public URL of the application (mandatory)",
-          "description": "The public URL of the application used to configure the reverse proxy",
-          "default": "confluence-training.apps.scandio.net"
         },
         {
-          "name": "VIRTUAL_PORT",
-          "label": "Port of the application to proxy (mandatory)",
-          "default": "8090",
-          "preset": true
-        },
-        {
-          "name": "LETSENCRYPT_HOST",
-          "label": "LETSENCRYPT_HOST: Public URL of the application (mandatory and same as above)",
-          "description": "The public URL of the application used to issue a Let's Encrypt certificate",
-          "default": "confluence-training.apps.scandio.net"
-        },
-        {
-          "name": "ATL_PROXY_NAME",
-          "label": "ATL_PROXY_NAME: Public URL of the application (mandatory and same as above)",
-          "description": "The public URL of the application used to configure the Tomcat connector",
-          "default": "confluence-training.apps.scandio.net"
-        },
-        {
-          "name": "ATL_PROXY_PORT",
-          "label": "Public port of the application (mandatory)",
-          "default": "443",
-          "preset": true
-        },
-        {
-          "name": "ATL_TOMCAT_SCHEME",
-          "label": "Public scheme of the application (mandatory)",
-          "default": "https",
-          "preset": true
-        },
-        {
-          "name": "ATL_TOMCAT_SECURE",
-          "label": "Public scheme of the application (mandatory)",
-          "default": true,
-          "preset": true
-        },
-        {
-          "name": "ATL_JDBC_USER",
-          "label": "Database User",
-          "default": "confluence"
-        },
-        {
-          "name": "ATL_JDBC_PASSWORD",
-          "label": "Database Password",
-          "default": "confluence"
-        },
-        {
-          "name": "ATL_JDBC_URL",
-          "label": "Database connection string",
-          "default": "jdbc:postgresql://confluence-training-db:5432/confluence"
-        },
-        {
-          "name": "ATL_DB_TYPE",
-          "label": "The type of database",
-          "default": "postgresql"
-        }
-      ]
-    },
-    {
-      "type": 1,
-      "title": "Jira Training Instance",
-      "description": "Installs a Jira Training Instance",
-      "logo": "https://wac-cdn.atlassian.com/dam/jcr:88902887-3bc9-48f4-b428-39ef6b0b280d/Jira%20Core-icon-blue.svg?cdnVersion=693",
-      "platform": "linux",
-      "name": "jira-training",
-      "hostname": "jira-training",
-      "categories": ["project-management", "atlassian", "jira"],
-      "image": "jira_training:1.0",
-      "volumes": [
-        {
-          "container": "/var/atlassian/jira"
-        }
-      ],
-      "network": "app-net",
-      "env": [
-        {
-          "name": "VIRTUAL_HOST",
-          "label": "VIRTUAL_HOST: Public URL of the application (mandatory)",
-          "description": "The public URL of the application used to configure the reverse proxy",
-          "default": "jira-training.apps.scandio.net"
-        },
-        {
-          "name": "VIRTUAL_PORT",
-          "label": "Port of the application to proxy (mandatory)",
-          "default": "8080",
-          "preset": true
-        },
-        {
-          "name": "LETSENCRYPT_HOST",
-          "label": "LETSENCRYPT_HOST: Public URL of the application (mandatory and same as above)",
-          "description": "The public URL of the application used to issue a Let's Encrypt certificate",
-          "default": "jira-training.apps.scandio.net"
-        },
-        {
-          "name": "ATL_PROXY_NAME",
-          "label": "ATL_PROXY_NAME: Public URL of the application (mandatory and same as above)",
-          "description": "The public URL of the application used to configure the Tomcat connector",
-          "default": "jira-training.apps.scandio.net"
-        },
-        {
-          "name": "ATL_PROXY_PORT",
-          "label": "Public port of the application (mandatory)",
-          "default": "443",
-          "preset": true
-        },
-        {
-          "name": "ATL_TOMCAT_SCHEME",
-          "label": "Public scheme of the application (mandatory)",
-          "default": "https",
-          "preset": true
-        },
-        {
-          "name": "ATL_TOMCAT_SECURE",
-          "label": "Public scheme of the application (mandatory)",
-          "default": true,
-          "preset": true
-        },
-        {
-          "name": "ATL_JDBC_USER",
-          "label": "Database User",
-          "default": "jira"
-        },
-        {
-          "name": "ATL_JDBC_PASSWORD",
-          "label": "Database Password",
-          "default": "jira"
-        },
-        {
-          "name": "ATL_JDBC_URL",
-          "label": "Database connection string",
-          "default": "jdbc:postgresql://jira-training-db:5432/jira"
-        },
-        {
-          "name": "ATL_DB_TYPE",
-          "label": "The type of database",
-          "default": "postgresql"
-        }
-      ]
-    },
-    {
-      "type": 1,
-      "title": "Jira Training Instance without postgres",
-      "description": "Installs a Jira Training Instance",
-      "logo": "https://wac-cdn.atlassian.com/dam/jcr:88902887-3bc9-48f4-b428-39ef6b0b280d/Jira%20Core-icon-blue.svg?cdnVersion=693",
-      "platform": "linux",
-      "name": "jira-training",
-      "hostname": "jira-training",
-      "categories": ["project-management", "atlassian", "jira"],
-      "image": "jira_training:1.0",
-      "volumes": [
-        {
-          "container": "/var/atlassian/jira"
-        }
-      ],
-      "network": "app-net",
-      "env": [
-        {
-          "name": "VIRTUAL_HOST",
-          "label": "VIRTUAL_HOST: Public URL of the application (mandatory)",
-          "description": "The public URL of the application used to configure the reverse proxy",
-          "default": "jira-training.apps.scandio.net"
-        },
-        {
-          "name": "VIRTUAL_PORT",
-          "label": "Port of the application to proxy (mandatory)",
-          "default": "8080",
-          "preset": true
-        },
-        {
-          "name": "LETSENCRYPT_HOST",
-          "label": "LETSENCRYPT_HOST: Public URL of the application (mandatory and same as above)",
-          "description": "The public URL of the application used to issue a Let's Encrypt certificate",
-          "default": "jira-training.apps.scandio.net"
-        },
-        {
-          "name": "ATL_PROXY_NAME",
-          "label": "ATL_PROXY_NAME: Public URL of the application (mandatory and same as above)",
-          "description": "The public URL of the application used to configure the Tomcat connector",
-          "default": "jira-training.apps.scandio.net"
-        },
-        {
-          "name": "ATL_PROXY_PORT",
-          "label": "Public port of the application (mandatory)",
-          "default": "443",
-          "preset": true
-        },
-        {
-          "name": "ATL_TOMCAT_SCHEME",
-          "label": "Public scheme of the application (mandatory)",
-          "default": "https",
-          "preset": true
-        },
-        {
-          "name": "ATL_TOMCAT_SECURE",
-          "label": "Public scheme of the application (mandatory)",
-          "default": true,
+          "name": "POSTGRES_INITDB_ARGS",
+          "label": "",
+          "default": "--encoding=UTF-8 --lc-collate=C --lc-ctype=C",
           "preset": true
         }
       ]