Include image in wicked pdf rails

/ /////Create a PDF file on local and server ///// 1—Add this into your gem file gem 'wicked_pdf', '~> 1.0.3' gem 'wkhtmltopdf-binary', '~> 0.9.9' 2—Add this code into your controller where you want to use pdf_file for download supose controller is project_controller.rb Wicked PDF . This is a fork of the original that modernises all dependencies and redesign the internals for a much lighter footprint on your app and offer greater extensibility.. A PDF generation plugin for Ruby on Rails. Wicked PDF uses the shell utility wkhtmltopdf v0.12.x to serve a PDF file to a user from HTML. Stand apart from the rest with Wicked Rails. The most customizable bedrails and recovery hooks on the market, for up to 40% less than the other guys. I recently updated one of my apps to Rails 3.1 and found that my PDF generating tests were failing because they were unable to find the CSS or images to use in the PDF. So I started playing around, and here is what I got: In your app, add a new initializer (or edit your existing wicked_pdf.rb initializer) and put the following: In this example I'm using wicked_pdf in combination with a rails 3.2 application (thus the need for the custom asset pipeline helpers). The needed steps are: Install wkhtmltopdf and the wicked_pdf gem. wkhtmltopdf will convert the HTML file into a PDF document. In part 1 we learned why backgrounding is important. Now let's dive into some code. First things first. Add wicked_pdf and delayed_job to your Gemfile:. gem "wicked_pdf" gem "delayed_job" Now we can generate a PDF from inside our Rails app with this simple command: Wicked PDF also includes examples and a handy helper method for specifying assets and substituting them inline into the HTML document: <%= wicked_pdf_stylesheet_link_tag "my_styles" %> & <%= wicked_pdf_javascript_include_tag "my_scripts" %> It also allows for easily debugging the PDF page by viewing it as an HTML page. Wicked PDF on Heroku. Wicked PDF on Heroku is a challenge because of the way wkhtmltopdf works. Locally, this library is stored in /usr/local/bin but obviously Heroku doesn't have this out of the box. So, we have to ensure that Heroku has access to this library so it can utilize it. NoMethodError: undefined method `wicked_pdf_image_tag' for #< It would appear that my Rails app is also missing / not linking to a helper file belonging to the wicked-pdf gem. Answers to similar questions on StackOverflow recommend writing a custom "image-tag" helper to locate the image or installing wkhtmltopdf. wicked_pdf_stylesheet_link_tag wicked_pdf_image_tag wicked_pdf_javascript_include_tag Every external file that you use must be referenced with an absolute address, so the normal Rails helpers do not work in many cases [Technical Note: the wicked_pdf helpers simply embed the actual CSS or Javascript in the page]. Wicked PDF is suggested to me as it handles dependence better. So I went with it, and am pretty happy with the decision. Set up Dependencies. Install both wicked pdf and wkhtmltopdf in Rails using gem 'wicked_pdf'; gem 'wkhtmltopdf-binary' Use rails generate wicked_pdf to generate the initializer. And you need to config the path of cli in