images-inside-pdf

img_paths = ["/Users/workspace/ARVIND/2.jpeg", "/Users/workspace/ARVIND/2.jpeg", "/Users/workspace/ARVIND/REDCAPTIN/2.jpeg"]
Prawn::Document.generate("/Users/workspace/ARVIND/red_captain/my-file.pdf") do |pdf|
  img_paths.each do |img_path|
    # PDF regions involve bounding boxes.
    # The default bounding box is simply the page itself.
    # The :fit option tells Prawn to scale the image to the current
    # bounding box (in other words, the current page)
    pdf.image img_path, :fit => [pdf.bounds.right, pdf.bounds.top]
    # Insert a page break, unless this is the last page
    pdf.start_new_page unless pdf.page_count == img_paths.length
  end
end