[Task] HTTPS, DNS 설정

> ### ISSUE
> * Group:  `server`
> * Type: ` `feature`
> * Detail: Setting HTTPS/DNS
> 
> ### TODO
> 1. [ ]  HTTPS 셋팅 (인증서 포함)
> 2. [ ]  DNS 셋팅
> 
> ### Estimated time
> > Pick one
> ### `3h`
>
> ### Labels
> * Estimated time: `E: 3h`
> * Group :  `server`
> * Sprint: `Sprint2`
> * Urgency: `High`
