Updated README file

build-docker-images/README.md

@@ -9,3 +9,24 @@ $ build-docker-images/build-images.sh
 ```
 
 This script initializes the environment variables needed to build each of the images.
+
+The script allows you to build images from other versions of Wazuh, to do this you must use the -v or --version argument:
+
+```
+$ build-docker-images/build-images.sh -v 4.5.2
+```
+
+To get all the available script options use the -h or --help option:
+
+```
+$ build-docker-images/build-images.sh -h
+
+Usage: build-docker-images/build-images.sh [OPTIONS]
+
+    -d, --dev <ref>              [Optional] Set the development stage you want to build, example rc1 or beta1, not used by default.
+    -f, --filebeat-module <ref>  [Optional] Set Filebeat module version. By default 0.2.
+    -r, --revision <rev>         [Optional] Package revision. By default 1
+    -v, --version <ver>          [Optional] Set the Wazuh version should be builded. By default, 4.6.0.
+    -h, --help                   Show this help.
+
+```