Use env var for defining port of app host
Use env var for defining port of app host

OpenSourceActivismTech/call-power,poppingtonic/call-power,jinding/call-power,poppingtonic/call-power,18mr/call-congress,jinding/call-power,spacedogXYZ/call-power,jinding/call-power,poppingtonic/call-power,jinding/call-power,18mr/call-congress,spacedogXYZ/call-power,18mr/call-congress,OpenSourceActivismTech/call-power,poppingtonic/call-power,spacedogXYZ/call-power,OpenSourceActivismTech/call-power,spacedogXYZ/call-power,18mr/call-congress,OpenSourceActivismTech/call-power