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nginx.conf
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nginx.conf
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server {
listen 80;
server_name localhost;
gzip on;
gzip_buffers 32 4k;
gzip_comp_level 6;
gzip_min_length 200;
gzip_types text/css text/xml application/javascript;
gzip_vary on;
root /usr/share/nginx/html/;
index index.html;
location /api/ {
proxy_pass http://denocn-api:3000/;
}
location / {
try_files $uri @prerender;
}
location @prerender {
proxy_set_header X-Prerender-Token K43iJjSszS4RwZnudjcd;
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") {
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;
}
}
}