fix heroku
fix heroku

thanosIrodotou/slackin,Ineeza/luka_ineeza_slakin,devopsnz/slackin,TibiaPF/slackin,thanosIrodotou/slackin,devopsnz/slackin,Milwaukee-Slack/Milwaukee-Slack-Invite-Website,PHPSP/slackin,Code-T/slackin,szkl/slackin,Ineeza/luka_ineeza_slakin,rauchg/slackin,mbbroberg/slackin,lemonlabsuk/slack-invite-page,IOT-DSA/slackin,PHPSP/slackin,Venpath/slackin,mike1pol/slackin,TibiaPF/slackin,Milwaukee-Slack/Milwaukee-Slack-Invite-Website,mbbroberg/slackin,edorgeville/slackin-fr,szkl/slackin,mike1pol/slackin,Venpath/slackin,emccode/community,avaclancheuk/slackin,avaclancheuk/slackin,Code-T/slackin,edorgeville/slackin-fr,ouluwebdev/slackin,ouluwebdev/slackin,lemonlabsuk/slack-invite-page,rauchg/slackin,IOT-DSA/slackin,emccode/community,emccode/community,thanosIrodotou/slackin,TechnologyMasters/technologymasters.herokuapp.com,TechnologyMasters/technologymasters.herokuapp.com