game_server/terraform/elasticache.tf

resource "aws_elasticache_cluster" "redis" {
  cluster_id = "game-server"
  engine     = "redis"

  #node_type            = "cache.m6g.large"
  node_type = "cache.t4g.micro"

  num_cache_nodes      = 1
  parameter_group_name = "default.redis7"
  apply_immediately    = true
  port                 = 6379
  subnet_group_name    = aws_elasticache_subnet_group.redis.name
  security_group_ids   = [aws_security_group.allow_all.id]
  tags                 = local.tags
}

resource "aws_elasticache_subnet_group" "redis" {
  name       = "game-server"
  subnet_ids = module.vpc.private_subnets
  tags       = local.tags
}

#resource "aws_elasticache_user" "default" {
#  user_id              = "default"
#  user_name            = "default"
#  engine               = "REDIS"
#  access_string        = "on ~* +@all"
#  no_password_required = true
#  tags                 = local.tags
#}
#
#resource "aws_elasticache_user_group" "default" {
#  engine        = "REDIS"
#  user_group_id = "default"
#  user_ids      = [aws_elasticache_user.default.id]
#}
#
#resource "aws_elasticache_user_group_association" "example" {
#  user_group_id = aws_elasticache_user_group.default.user_group_id
#  user_id       = aws_elasticache_user.user.user_id
#}