how to install and institate chaincode without system channel

[yeshanglady]

In Fabric 2.5, I can create application channel without system channel. However, in this way, there are no .tx files so I cannot use fabric-sdk-go to create and join channel. Now, I want to create application channel in Fabric(such as peer CLI) directly ,rather then using Fabric-sdk-go. I want to know whether this way is OK? If it's ok, I want to know how to prepare the config.yaml file and how to use fabric-sdk-go to install and institate chaincode.
By the way, I have noticed that someone recommended the new sdk, fabric-admin-sdk,to address this problem. But I want to know whether these two sdks can work in coordination. for example, fabric-admin-sdk will focus on creating and joining channel, fabric-sdk-go will solving others (such as installing chaincode).
Thanks!!