Deploy tomcat in IDEA2020
Step 1:
Select Project Structure...
Step 2:
If it appears,
just click Create.
Step 3:
the fourth step:
the fifth step:
Step 7:
Generally, the server does not need to be modified.
Step 7:
Click the plus sign to add and the deployment is complete.
After the deployment is complete, you need to import the package and redeploy it.