Created
June 27, 2022 22:26
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map $sent_http_content_type $expires | |
{ | |
default off; | |
text/html 15m; | |
text/css 15m; | |
application/javascript 15m; | |
~image/ 15m; | |
} | |
server { | |
listen 3000; | |
root /usr/share/nginx/html; | |
index index.html; | |
etag on; | |
expires $expires; | |
location / { | |
try_files $uri @prerender; | |
} | |
location @prerender { | |
proxy_set_header X-Prerender-Token GsMLRmorzgxywljuDowD; | |
set $prerender 0; | |
if ($http_user_agent ~* "googlebot|bingbot|yandex|baiduspider|twitterbot|facebookexternalhit|rogerbot|linkedinbot|embedly|quora link preview|showyoubot|outbrain|pinterest\/0.|pinterestbot|slackbot|vkShare|W3C_Validator|whatsapp|Screaming Frog SEO Spider") { | |
set $prerender 1; | |
} | |
if ($args ~ "escaped_fragment") { | |
set $prerender 1; | |
} | |
if ($http_user_agent ~ "Prerender") { | |
set $prerender 0; | |
} | |
if ($uri ~* ".(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|svg|eot)") { | |
set $prerender 0; | |
} | |
#resolve using Google's DNS server to force DNS resolution and prevent caching of IPs | |
resolver 8.8.8.8; | |
if ($prerender = 1) { | |
#setting prerender as a variable forces DNS resolution since nginx caches IPs and doesnt play well with load balancing | |
set $prerender "service.prerender.io"; | |
rewrite .* /$scheme://$host$request_uri? break; | |
proxy_pass http://$prerender; | |
} | |
if ($prerender = 0) { | |
rewrite .* /index.html break; | |
} | |
} | |
error_page 500 502 503 504 /50x.html; | |
location = /50x.html { | |
root /usr/share/nginx/html; | |
} | |
} |
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