add $MY_POD_IP back to web deployment

Signed-off-by: Rick Elrod <rick@elrod.me>

roles/installer/templates/deployments/web.yaml.j2

@@ -176,6 +176,10 @@ spec:
               valueFrom:
                 fieldRef:
                   fieldPath: metadata.namespace
+            - name: MY_POD_IP
+              valueFrom:
+                fieldRef:
+                  fieldPath: status.podIP
             - name: UWSGI_MOUNT_PATH
               value: "{{ ingress_path }}"
 {% if development_mode | bool %}