Enable Nginx content cache for LB

[a3linux]

Homecloud LB enable Nginx content cache.

Sample config
http {
proxy_cache_path /data/nginx/cache levels=1:2 keys_zone=STATIC:10m
inactive=24h max_size=1g;
server {
location / {
proxy_pass http://1.2.3.4/;
proxy_set_header Host $host;
proxy_buffering on;
proxy_cache STATIC;
proxy_cache_valid 200 1d;
proxy_cache_use_stale error timeout invalid_header updating
http_500 http_502 http_503 http_504;
}
}
}

https://www.reddit.com/r/selfhosted/comments/12z27er/nginx_proxy_cache_ramdisk_enabled_or_disabled/
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