Scale down cluster nodes one at a time to maintain Elasticsearch's quorum.
Patches
- wmde/wbaas-deploy/pull/1260 | chore(elasticsearch): reduce CPU requests and limits on staging
- wmde/wbaas-deploy/pull/1261 | chore(elasticsearch): reduce CPU requests and limits on production
- wmde/wbaas-deploy/pull/1264 | chore(elasticsearch): remove coordinating nodes
- wmde/wbaas-deploy/pull/1269 | chore(tf): remove first cluster node on production
- wmde/wbaas-deploy/pull/1270 | chore(tf): remove second cluster node on production
- wmde/wbaas-deploy/pull/1274 | chore(tf): remove third cluster node on production
- wmde/wbaas-deploy/pull/1275 | chore(tf): remove fourth cluster node on production