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Add HAProxy configuration for Prerender.io #1

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Add HAProxy configuration for Prerender.io #1

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da4bd31
Add HAProxy configuration file
Apr 16, 2026
0d4a7f7
Fix deprecated reqrep directive for HAProxy 2.1+ compatibility
Apr 16, 2026
89e77ba
Add credit to original gist by roylines
Apr 17, 2026
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22 changes: 22 additions & 0 deletions HAProxy/haproxy.cfg
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Original file line number Diff line number Diff line change
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# Based on https://gist.github.com/roylines/7dc14c419523975daaa7
# Change YOUR_TOKEN to your prerender token
# Change http://example.com (server_name) to your website url

frontend my-frontend
mode http
bind :80

# prerender.io
acl user-agent-bot hdr_sub(User-Agent) -i baiduspider twitterbot facebookexternalhit rogerbot linkedinbot embedly showyoubot outbrain pinterest slackbot vkShare W3C_Validator Perplexity OAI-SearchBot ChatGPT GPTBot ClaudeBot Amazonbot
acl url-asset path_end js css xml less png jpg jpeg gif pdf doc txt ico rss zip mp3 rar exe wmv doc avi ppt mpg mpeg tif wav mov psd ai xls mp4 m4a swf dat dmg iso flv m4v torrent ttf woff
acl url-escaped-fragment url_sub _escaped_fragment_

use_backend prerender if user-agent-bot !url-asset
use_backend prerender if url-escaped-fragment !url-asset

backend prerender
mode http
timeout server 20s
server prerender service.prerender.io:443 check ssl verify none
http-request set-header X-Prerender-Token YOUR_TOKEN
http-request replace-path ^/(.*)$ /http://example.com/\1