fixup! Attempt to set up Github for ease of development

Author: ctran

.gitpod.Dockerfile

@@ -0,0 +1,11 @@
+FROM gitpod/workspace-full
+USER gitpod
+
+# Install Ruby version 2.7.6 and set it as default
+RUN _ruby_version=ruby-2.7.6 \
+    && printf "rvm_gems_path=/home/gitpod/.rvm\n" > ~/.rvmrc \
+    && bash -lc "rvm reinstall ${_ruby_version} && \
+                 rvm use ${_ruby_version} --default" \
+    && printf "rvm_gems_path=/workspace/.rvm" > ~/.rvmrc \
+    && printf "{ rvm use \$(rvm current); } >/dev/null 2>&1\n" >> "$HOME/.bashrc.d/70-ruby"
+

.gitpod.yml

@@ -1,19 +1,18 @@
-# This configuration file was automatically generated by Gitpod.
-# Please adjust to your needs (see https://www.gitpod.io/docs/config-gitpod-file)
-# and commit this file to your remote git repository to share the goodness with others.
-image: gitpod/workspace-ruby-2
+image:
+  file: .gitpod.Dockerfile
 
 github:
   prebuilds:
     develop: true
     # enable for pull requests coming from this repo (defaults to true)
     pullRequests: true
-    # enable for pull requests coming from forks (defaults to false)
-    pullRequestsFromForks: true
+
     # add a "Review in Gitpod" button as a comment to pull requests (defaults to true)
     addComment: true
+
     # add a "Review in Gitpod" button to pull requests (defaults to false)
     addBadge: true
+    
     # add a label once the prebuild is ready to pull requests (defaults to false)
     addLabel: prebuilt-in-gitpod