fix Dockerfile

[nosovk]

• remove obsolete node-sass
• add sass package that do not require binary deps (node-gyp_
• remove unused deps from dockerfile
• use LTS node version in Dockerfile
• use npm ci instead of npm i

Description

Reference issue

Fixes #...
#117
#99
#94

Closes: #113

[nosovk]

also closes #122

[nosovk]

@adwpc
could you please review\merge this PR?
We use fork with fix for some time now. It builds and starts correctly.

[gcavanunez]

Hi @nosovk on the PR #122 I was looking to essentially remove sass entirely and just use vanilla css since no extra feature from sass is being utilized in the project

[adwpc]

@nosovk Thanks for #119 !

remove obsolete node-sass
add sass package that do not require binary deps (node-gyp_
remove unused deps from dockerfile
use LTS node version in Dockerfile
use npm ci instead of npm i

@gcavanunez Thanks for #122 !

Removing node-sass and sass-loader
Since no specially feature from sass is being utilized seems best to drop the dependency and use vanilla CSS. This should also make it feasible to install in newer versions of node without issues.

@kangshaojun is origin author, advise to just keep sass
Im not good at frontend, after some research , i think we can just keep sass.
Thank you all for any Feature/Issue/PR, i can give any help if you guys want contribute this project.

[nosovk]

Then probably we can merge that PR? Or there are some change requests?

[adwpc]

@nosovk got these error when use docker with chrome:
WebSocket connection to 'wss://localhost:5551/room.RoomSignal/Signal' failed:
WebSocket connection to 'wss://localhost:5551/rtc.RTC/Signal' failed:

[nosovk]

@adwpc you have to launch ion backend on localhost to avoide that problem and update caddyconfig: https://github.com/pion/ion-app-web/blob/eb384c0ee580cdadcd8a20e7dfbbc9f1657d5949/prod.Caddyfile#L7

Probably we should update documentation to explain that part of config should be updated in that file during deploy.