SharePoint Hybrid Approach

Question

Hi SharePoint Pals,

 

am new to SharePoint hybrid approach, please provide any documents/sites to learn on Hybrid with beginning. i found many sites but not any proper information on this

 

1.How to create Custom SP Apps

2. How to deploy this on-prem & SPO

3. Data Synchronization between on-prem & SPO 

4. Document library Sync with versions etc...

 

Thanks in advance...

 

-Supreeth J