curl --request POST \
  --url https://api.gcore.com/cloud/v1/dbaas/postgres/clusters/{project_id}/{region_id} \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '{
  "cluster_name": "<string>",
  "databases": [],
  "flavor": {
    "cpu": 1,
    "memory_gib": 1
  },
  "high_availability": {
    "replication_mode": "sync"
  },
  "network": {
    "acl": [
      "92.33.34.127"
    ],
    "network_type": "public"
  },
  "pg_server_configuration": {
    "pg_conf": "\nlisten_addresses = '\''localhost'\''\nport = 5432\nmax_connections = 100\nshared_buffers = 128MB\nlogging_collector = on",
    "pooler": null,
    "version": "<string>"
  },
  "storage": {
    "size_gib": 100,
    "type": "ssd-hiiops"
  },
  "users": []
}'

{
  "tasks": [
    "d478ae29-dedc-4869-82f0-96104425f565"
  ]
}