yshmarov

format.pdf do
  html = ApplicationController.new.render_to_string(
    template: 'pdfs/test',
    formats: [:pdf],
    layout: 'layouts/pdf',
    assigns: { user: @user },
    encoding: 'UTF-8'
  )
  Ferrum::Browser.new(timeout: 7).tap do |browser|
    browser.content = html

yshmarov

# All AWS C9 envments
https://eu-central-1.console.aws.amazon.com/cloud9/home?region=us-east-1

# Instance management
https://console.aws.amazon.com/ec2/home?region=eu-central-1#Instances:sort=instanceId

# Create AWS C9 environment
https://eu-central-1.console.aws.amazon.com/cloud9/home/create

Setting - set tabs to 2