wuchunfu commented on code in PR #8984:
URL: https://github.com/apache/seatunnel/pull/8984#discussion_r2015531517
##########
docs/en/concept/config.md:
##########
@@ -335,6 +335,91 @@ sink {
- For dynamic parameters, you can use the following format: `-i date=$(date
+"%Y%m%d")`.
- Cannot use specified system reserved characters; they will not be replaced
by `-i`, such as: `${database_name}`, `${schema_name}`, `${table_name}`,
`${schema_full_name}`, `${table_full_name}`, `${primary_key}`, `${unique_key}`,
`${field_names}`. For details, please refer to [Sink Parameter
Placeholders](sink-options-placeholders.md).
+
+## Configuration References
+
+In the configuration file, we can define some common configuration information
and directly reference it in the Job configuration, thereby reusing the same
configuration. This is commonly applied to the reuse of connection information
and the independence of variable configuration files for development and
production environments, greatly improving the maintainability of the
configuration.
+
+### reference examples
+
+ref.conf
+```hocon
+# 定义 MySQL 连接配置
+mysql_prod {
+ url = "jdbc:mysql://192.168.1.19:3306/test"
+ driver = "com.mysql.cj.jdbc.Driver"
+ connection_check_timeout_sec = 100
+ user = "root"
+ password = "111111"
+ fetch_size = 10000
+ query="select * from not_exist"
+}
+
+# 定义 Kafka 连接配置
+kafka_test {
Review Comment:
ditto
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