expose the ports in the constructor

Author: spicy-sauce

testcontainers/mssql.py

@@ -30,12 +30,13 @@ def __init__(self, image="mcr.microsoft.com/mssql/server:2019-latest", user="SA"
 
         self.SQLSERVER_PASSWORD = password or environ.get("SQLSERVER_PASSWORD", "1Secure*Password1")
         self.port_to_expose = port
+        self.with_exposed_ports(self.port_to_expose)
+
         self.SQLSERVER_USER = user
         self.SQLSERVER_DBNAME = dbname
         self.dialect = dialect
 
     def _configure(self):
-        self.with_exposed_ports(self.port_to_expose)
         self.with_env("SA_PASSWORD", self.SQLSERVER_PASSWORD)
         self.with_env("SQLSERVER_USER", self.SQLSERVER_USER)
         self.with_env("SQLSERVER_DBNAME", self.SQLSERVER_DBNAME)