#### What this PR does/Why we need it?
1. Refine Docker run command and Docker compose file with arguments instead of environments for Halo 2.1 and 2.2.0-SNAPSHOT.
2. Change environments description into arguments description.
#### Which issue(s) this PR fixes:
Fix https://github.com/halo-dev/docs/issues/163
```release-note
None
```
Ryan Wang
John Niang