message: [tf] Increase sleep before initialising Vault
  Sometimes Vault isn't ready and initialisation fails.
  Closes:
  Approved by: davidiw
diff: @@ -74,7 +74,15 @@ resource "aws_ecs_task_definition" "vault" {
  name = "vault-init",
  image = "vault:latest",
  entryPoint = ["sh"],
  - command = ["-c", "sleep 5s && TOKEN=$(vault operator init | grep 'Root Token' | cut -d: -f2) && vault login $TOKEN && vault token create -id=root -policy=root && vault secrets enable -path=secret kv-v2 && vault secrets enable transit"],
  + command = ["-c", <<-EOT
  + sleep 10s &&
  + TOKEN=$(vault operator init | grep 'Root Token' | cut -d: -f2) &&
  + vault login $TOKEN &&
  + vault token create -id=root -policy=root &&
  + vault secrets enable -path=secret kv-v2 &&
  + vault secrets enable transit
  + EOT
  + ],
  cpu = 40,
  memory = 128,
  essential = false,
  