add slave1

docker/mysql-slave1/my.cnf

@@ -0,0 +1,15 @@
+# The MySQL  Client configuration file.
+#
+# For explanations see
+# http://dev.mysql.com/doc/mysql/en/server-system-variables.html
+
+[mysql]
+
+[mysqld]
+sql-mode="STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION"
+character-set-server=utf8
+default-authentication-plugin=mysql_native_password
+#[Must] Start Binary Logs
+log-bin=mysql-bin
+#[Must] Set the unique ID of the server, default 1, usually the last segment of IP
+server-id=3002