Set up Gitpod (#1537)

* Create .gitpod.dockerfile

* Create .gitpod.yml

* Create database.yml.gitpod

* Update .gitpod.yml

* ruby 2.4.6 in gitpod.dockerfile

* Update .gitpod.yml

* Update database.yml.gitpod

* add test database

* adding && to execute everything before start commands

.gitpod.dockerfile

@@ -0,0 +1,6 @@
+FROM gitpod/workspace-mysql
+
+# Install Ruby version 2.4.6 and set it as default
+RUN echo "rvm_gems_path=/home/gitpod/.rvm" > ~/.rvmrc
+RUN bash -lc "rvm install ruby-2.4.6 && rvm use ruby-ruby-2.4.6 --default"
+RUN echo "rvm_gems_path=/workspace/.rvm" > ~/.rvmrc

.gitpod.yml

@@ -0,0 +1,33 @@
+image:
+    file: .gitpod.dockerfile
+ports:
+    - port: 3000
+      onOpen: open-preview
+tasks:
+    - init: >
+        export CHROME_BIN=/usr/bin/chromium-browser &&
+        gem install bundler &&
+        bundle config set without 'production' &&
+        ./lib/exporter-deps.sh > /dev/null 2>&1 &&
+        bundle install &&
+        cp config/database.yml.gitpod config/database.yml &&
+        cp config/config.yml.example config/config.yml &&
+        mysql -e "CREATE DATABASE mapknitter_development;" &&
+        mysql -e "CREATE DATABASE mapknitter_test;" &&
+        cp db/schema.rb.example db/schema.rb &&
+        rake db:setup &&
+        yarn install
+      command: >
+          passenger start
+    - command: chromium-browser --no-sandbox
+    - command: rails c
+
+github:
+    prebuilds:
+        branches: true
+        pullRequests: true
+        pullRequestsFromForks: true
+        addCheck: true
+        addComment: true
+        addBadge: false
+        addLabel: false

config/database.yml.gitpod

@@ -0,0 +1,20 @@
+development:
+  adapter: mysql2
+  username: root
+  password: 
+  encoding: utf8
+  database: mapknitter_development
+  strict: false
+
+production:
+  adapter: sqlite3
+  database: production.sqlite
+
+# Warning: The contents of the database defined as "test" will be erased and
+# re-generated from your development database when you run "rake".
+# Do not set this db to the same as development or production.
+test:
+  adapter: mysql2
+  username: root
+  password: 
+  database: mapknitter_test