diff --git a/Elasticache/README.md b/Elasticache/README.md
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+<!-- This readme file is generated with terraform-docs -->
+# Elasticache
+
+Deploy a test redis replication group and then in-place migrate to Valkey
+
+## Migration steps (takes around 17m):
+1. Backup existing instance. Note the version and parameter group
+2. In the example resource below, change apply-immediately, engine, engine-version, and parameter group.
+
+## When redis was initially deployed:
+primary\_endpoint = "lab-cache001.rw4ynm.ng.0001.ape1.cache.amazonaws.com"
+reader\_endpoint = "lab-cache001-ro.rw4ynm.ng.0001.ape1.cache.amazonaws.com"
+
+## After in-place migration to Valkey:
+primary\_endpoint = "lab-cache001.rw4ynm.ng.0001.ape1.cache.amazonaws.com"
+reader\_endpoint = "lab-cache001-ro.rw4ynm.ng.0001.ape1.cache.amazonaws.com"
+
+## Fallback
+Simply reverting the code below will result in a replacement of the replication group. Meaning
+fallback is not supported. One will need to deploy a new instance and restore from backup
+
+## Requirements
+
+| Name | Version |
+|------|---------|
+| terraform | >= 1.11.0 |
+| aws | ~> 6.0 |
+
+## Providers
+
+| Name | Version |
+|------|---------|
+| aws | 6.37.0 |
+
+## Modules
+
+No modules.
+
+## Resources
+
+| Name | Type |
+|------|------|
+| [aws_elasticache_replication_group.example](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/elasticache_replication_group) | resource |
+| [aws_elasticache_subnet_group.subnets](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/elasticache_subnet_group) | resource |
+
+## Inputs
+
+| Name | Description | Type | Default | Required |
+|------|-------------|------|---------|:--------:|
+| application | n/a | `any` | n/a | yes |
+| aws-region | n/a | `any` | n/a | yes |
+| customer-name | n/a | `any` | n/a | yes |
+| environment | n/a | `any` | n/a | yes |
+| owner | n/a | `any` | n/a | yes |
+| project | n/a | `any` | n/a | yes |
+
+## Outputs
+
+| Name | Description |
+|------|-------------|
+| cluster\_endpoint | n/a |
+| primary\_endpoint | n/a |
+| reader\_endpoint | n/a |
+ 
+---
+## Authorship
+This module was developed by xpk.
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diff --git a/Elasticache/main.tf b/Elasticache/main.tf
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+/**
+* # Elasticache
+*
+* Deploy a test redis replication group and then in-place migrate to Valkey
+*
+* ## Migration steps (takes around 17m):
+* 1. Backup existing instance. Note the version and parameter group
+* 2. In the example resource below, change apply-immediately, engine, engine-version, and parameter group.
+*
+* ## When redis was initially deployed:
+* primary_endpoint = "lab-cache001.rw4ynm.ng.0001.ape1.cache.amazonaws.com"
+* reader_endpoint = "lab-cache001-ro.rw4ynm.ng.0001.ape1.cache.amazonaws.com"
+*
+* ## After in-place migration to Valkey:
+* primary_endpoint = "lab-cache001.rw4ynm.ng.0001.ape1.cache.amazonaws.com"
+* reader_endpoint = "lab-cache001-ro.rw4ynm.ng.0001.ape1.cache.amazonaws.com"
+*
+* ## Fallback
+* Simply reverting the code below will result in a replacement of the replication group. Meaning
+* fallback is not supported. One will need to deploy a new instance and restore from backup
+*/
+
+resource "aws_elasticache_replication_group" "example" {
+  automatic_failover_enabled  = true
+  preferred_cache_cluster_azs = ["ap-east-1a", "ap-east-1b"]
+  replication_group_id        = "lab-cache001"
+  description                 = "Redis to be migrated to Valkey"
+  node_type                   = "cache.t4g.micro"
+  num_cache_clusters          = 2
+  cluster_mode                = "enabled"
+  # -------- in-place migration to valkey -------- #
+  # engine_version       = "7.1"
+  # engine               = "redis"
+  # parameter_group_name = "default.redis7.cluster.on"
+  apply_immediately    = true
+  engine               = "valkey"
+  engine_version       = "8.2"
+  parameter_group_name = "default.valkey8.cluster.on"
+  # -------- in-place migration to valkey -------- #
+  port              = 6379
+  subnet_group_name = aws_elasticache_subnet_group.subnets.name
+}
+
+resource "aws_elasticache_subnet_group" "subnets" {
+  description = "Lab subnet group"
+  name        = "lab-subnetgroup001"
+  subnet_ids  = ["subnet-0927ba1b06ccfe6c5", "subnet-0551e96ffd016192a"]
+}
+
+output "cluster_endpoint" {
+  value = aws_elasticache_replication_group.example.configuration_endpoint_address
+}
+
+output "primary_endpoint" {
+  value = aws_elasticache_replication_group.example.primary_endpoint_address
+}
+
+output "reader_endpoint" {
+  value = aws_elasticache_replication_group.example.reader_endpoint_address
+}
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diff --git a/Elasticache/provider.tf b/Elasticache/provider.tf
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+provider "aws" {
+  region = var.aws-region
+
+  default_tags {
+    tags = {
+      Environment  = var.environment
+      Project      = var.project
+      Application  = var.application
+      TerraformDir = join("/", reverse(slice(reverse(split("/", path.cwd)), 0, 2)))
+    }
+  }
+}
+
+terraform {
+  required_version = ">= 1.11.0"
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = "~> 6.0"
+    }
+  }
+}
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diff --git a/Elasticache/variables.tf b/Elasticache/variables.tf
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+variable "aws-region" {}
+variable "customer-name" {}
+variable "environment" {}
+variable "project" {}
+variable "application" {}
+variable "owner" {}
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