Update config.hosts for GitPod (#8677)

* fake gitpod dockerfile commit

* install ruby 2.7.1 to different directory

* remove fakevar

* affix node version to 12.16.3

* try setting explicit version

* Add GitPod workspace URL to config.hosts

Co-authored-by: snackattas <zach.attas@gmail.com>

.gitpod.dockerfile

@@ -2,8 +2,13 @@ FROM gitpod/workspace-postgres
 
 # Install Ruby
 ENV RUBY_VERSION=2.7.1
+RUN rm /home/gitpod/.rvmrc && touch /home/gitpod/.rvmrc && echo "rvm_gems_path=/home/gitpod/.rvm" > /home/gitpod/.rvmrc
 RUN bash -lc "rvm install ruby-$RUBY_VERSION && rvm use ruby-$RUBY_VERSION --default"
 
+# Install Node
+ENV NODE_VERSION=12.16.3
+RUN bash -lc ". .nvm/nvm.sh && nvm install $NODE_VERSION"
+
 # Install Redis.
 RUN sudo apt-get update \
   && sudo apt-get install -y \

.nvmrc

@@ -1 +1 @@
-12.16
+12.16

config/environments/development.rb

@@ -75,6 +75,9 @@ Rails.application.configure do
   config.action_mailer.perform_caching = false
 
   config.hosts << ENV["APP_DOMAIN"] unless ENV["APP_DOMAIN"].nil?
+  if (gitpod_workspace_url = ENV["GITPOD_WORKSPACE_URL"])
+    config.hosts << URI.parse(gitpod_workspace_url).host
+  end
   config.app_domain = "localhost:3000"
 
   config.action_mailer.default_url_options = { host: "localhost:3000" }