{"action":"opened","issue":{"url":"https://api.github.com/repos/docker-library/php/issues/185","labels_url":"https://api.github.com/repos/docker-library/php/issues/185/labels{/name}","comments_url":"https://api.github.com/repos/docker-library/php/issues/185/comments","events_url":"https://api.github.com/repos/docker-library/php/issues/185/events","html_url":"https://github.com/docker-library/php/issues/185","id":128533936,"number":185,"title":"Error installing mailcatcher","user":{"login":"Magarusu","id":6861147,"avatar_url":"https://avatars.githubusercontent.com/u/6861147?v=3","gravatar_id":"","url":"https://api.github.com/users/Magarusu","html_url":"https://github.com/Magarusu","followers_url":"https://api.github.com/users/Magarusu/followers","following_url":"https://api.github.com/users/Magarusu/following{/other_user}","gists_url":"https://api.github.com/users/Magarusu/gists{/gist_id}","starred_url":"https://api.github.com/users/Magarusu/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Magarusu/subscriptions","organizations_url":"https://api.github.com/users/Magarusu/orgs","repos_url":"https://api.github.com/users/Magarusu/repos","events_url":"https://api.github.com/users/Magarusu/events{/privacy}","received_events_url":"https://api.github.com/users/Magarusu/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-01-25T13:10:58Z","updated_at":"2016-01-25T13:10:58Z","closed_at":null,"body":"Hello,\r\n\r\nI am trying to install mailcatcher under my php 5.4 dockerfile by using\r\n\r\nRUN apt-get update && apt-get install -y ruby ruby-dev build-essential sqlite3 libsqlite3-dev\r\n\r\nRUN gem install mailcatcher --no-ri --no-rdoc\r\n\r\nbut I receive the following error:\r\nERROR:  Error installing mailcatcher:\r\n\tactivesupport requires Ruby version >= 2.2.2.\r\n\r\nIs there any way I can install mailcatcher in this docker?\r\n\r\nThanks."}}