Merge pull request #2744 from leowangxp/oracle_instant_client_mirror

feat: add ORACLE_INSTANT_CLIENT_MIRROR ARG

env-example

@@ -76,6 +76,8 @@ COMPOSE_CONVERT_WINDOWS_PATHS=1
 CHANGE_SOURCE=false
 # Set CHANGE_SOURCE and UBUNTU_SOURCE option if you want to change the Ubuntu system sources.list file.
 UBUNTU_SOURCE=aliyun
+# Set ORACLE INSTANT_CLIENT_MIRROR option if you want to use Intranet improve download, you can download files first
+ORACLE_INSTANT_CLIENT_MIRROR=https://github.com/diogomascarenha/oracle-instantclient/raw/master/
 
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