Add BAKE to Nextcloud subproject.

Config/Nextcloud/env.micro

@@ -1,5 +1,6 @@
-# Example environment file for Nextcloud stack, should be copied as `.env`. The
-#   variables here only apply to the compose file. If you need it passed to a
+# Example environment file for Nextcloud stack, should be copied as `.env`.
+
+# The variables here only apply to the compose file. If you need it passed to a
 #   container then it also needs specified in its `environment:` operator.
 #
 # ** All usernames and passwords need changed before running in production! **
@@ -7,6 +8,16 @@
 # Full guide on the Nextcloud parameters which may be supplied:
 #   https://github.com/docker-library/docs/blob/master/nextcloud/README.md#auto-configuration-via-environment-variables
 
+#
+## Docker ##
+#
+
+# 20250616 - Performance testing was done on an old workstation.
+#   Only Compose: 3.8, 2.5, 1.8, 1.8, 2.1 seconds
+#   Compose Bake: 2.0, 1.9, 1.8, 2.2, 1.9 seconds
+# Not really needed but also does not seem harmful. Will eliminate the warning.
+COMPOSE_BAKE=true
+
 #
 ## Nextcloud ##
 #