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Host same website at 2 or more different web hosts?
Can we host the same website at multiple web hosts (for load balancing/high availability)?
Say there's two web hosts with the same website then maybe distribute the loads equally, and if there's a problem with one of the hosts then load only from the other host.
How would you sync the contents between the two sites so that they remain the same (say, for Wordpress site)?
Is this possible to do for free (or for very cheap)? How to do this?
Comments
vps a: nginx/caddy/apache, just to do the load balance thing, also running your wordpress
vps b: wordpress
(maybe)vps c: running database for wordpress
You can use the free Cloudflare service for load balancing.
What's the read/write pattern for the website?
For likes of wordpress, you need to keep both servers in sync, you can use periodic rsync for files and run master-master mysql sync between two for DB. Assuming there is not a of data manipulation is happening in DB, it will work fine even on separate DC but closer is better (lower latency). We can also go for few other approaches but this might help you to start. And as @ceplavia mentioned, use CF for load balancing to distribute traffic between servers.