Define minimum specifications are strictly minimal

Author: MattiSG

content/deployment/reference/server-specifications.md

@@ -5,13 +5,13 @@ weight: 2
 
 # Server specifications
 
-The minimum recommended server specifications are:
+The minimum server specifications are:
 
 - 2 GB RAM
 - 1 CPU @ 2GHz
-- 10 GB storage
+- 2 GB storage
 
-Approximately 750 MB of storage is required for the engine itself, with the remaining space allocated for data generated by the engine.
+Approximately 750 MB of storage is required for the engine itself, with the remaining space allocated for data generated by the engine. Storage capacity should be calculated based on the scope and expected lifetime of the collection.
 
 ## Storage growth