Fix version variables for e2e install

_config.yml

@@ -149,8 +149,6 @@ defaults:
   - scope:
       path: "datacenter"
     values:
-      ucp_latest_image: "docker/ucp:3.0.0"
-      dtr_latest_image: "docker/dtr:2.5.0"
       enterprise: true
   - scope:
       path: "ee/dtr"
@@ -199,7 +197,10 @@ defaults:
     values:
       ucp_org: "docker"
       ucp_repo: "ucp"
+      dtr_repo: "dtr"
       ucp_version: "3.0.0"
+      dtr_version: "2.5.0"
+      dtr_latest_image: "docker/dtr:2.5.0"
   - scope:
       path: "datacenter/ucp/2.2"
     values:

ee/end-to-end-install.md

@@ -45,7 +45,7 @@ Use ssh to log in to the host where you want to install UCP and run:
 ```bash
 docker container run --rm -it --name ucp \
   -v /var/run/docker.sock:/var/run/docker.sock \
-  {{ page.ucp_latest_image }} install \
+  {{ page.ucp_org }}/{{ page.ucp_repo }}:{{ page.ucp_version }} install \
   --host-address <node-ip-address> \
   --interactive
 ```
@@ -97,7 +97,7 @@ Use ssh to log in to the host where you already installed UCP, and run:
 
 ```bash
 docker container run -it --rm \
-  {{ page.dtr_latest_image }} install \
+  {{ page.ucp_org }}/{{ page.dtr_repo }}:{{ page.dtr_version }} install \
   --ucp-node <node-hostname> \
   --ucp-insecure-tls
 ```