Add a preemptible node

To reduce the costs, you can run PHP pods on cheaper nodes.

Google has Preemptible machines that are up to 3 times cheaper than the normal ones, but they have the disadvantage that they only last for 24 hours. However, by using multiple pods for your site, this will make the PHP component of your site highly available, thus your site will not be affected by the restart of the machines.

To add a preemptible node pool, go to your cluster page in Google Kubernetes Engine and click ADD NODE POOL:

Add a preemptible node

Then make sure to check Enable preemptible nodes. Keep in mind that you also need to have a machine type of at least n1-standard-4.

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