diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..7a3e2fd
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,29 @@
+# Local .terraform directories
+**/.terraform/*
+
+# .tfstate files
+*.tfstate
+*.tfstate.*
+
+# Crash log files
+crash.log
+
+# Ignore any .tfvars files that are generated automatically for each Terraform run. Most
+# .tfvars files are managed as part of configuration and so should be included in
+# version control.
+#
+# example.tfvars
+
+# Ignore override files as they are usually used to override resources locally and so
+# are not checked in
+override.tf
+override.tf.json
+*_override.tf
+*_override.tf.json
+
+# Include override files you do wish to add to version control using negated pattern
+#
+# !example_override.tf
+
+# Include tfplan files to ignore the plan output of command: terraform plan -out=tfplan
+# example: *tfplan*
diff --git a/ec2.tf b/ec2.tf
index f55bdd8..e69de29 100644
--- a/ec2.tf
+++ b/ec2.tf
@@ -1,24 +0,0 @@
-terraform {
-  required_providers {
-    aws = {
-      source  = "hashicorp/aws"
-      version = "~> 3.27"
-    }
-  }
-
-  required_version = ">= 0.14.9"
-}
-
-provider "aws" {
-  profile = "default"
-  region  = "us-west-2"
-}
-
-resource "aws_instance" "app_server" {
-  ami           = "ami-830c94e3"
-  instance_type = "t2.micro"
-
-  tags = {
-    Name = "ExampleAppServerInstance"
-  }
-}
diff --git a/ec2_child_module/.terraform.lock.hcl b/ec2_child_module/.terraform.lock.hcl
new file mode 100644
index 0000000..e7a7344
--- /dev/null
+++ b/ec2_child_module/.terraform.lock.hcl
@@ -0,0 +1,24 @@
+# This file is maintained automatically by "terraform init".
+# Manual edits may be lost in future updates.
+
+provider "registry.terraform.io/hashicorp/aws" {
+  version = "4.45.0"
+  hashes = [
+    "h1:J/XjRsEJIpxi+mczXQfnH3nvfACv3LRDtrthQJCIibY=",
+    "zh:22da03786f25658a000d1bcc28c780816a97e7e8a1f59fff6eee7d452830e95e",
+    "zh:2543be56eee0491eb0c79ca1c901dcbf71da26625961fe719f088263fef062f4",
+    "zh:31a1da1e3beedfd88c3c152ab505bdcf330427f26b75835885526f7bb75c4857",
+    "zh:4409afe50f225659d5f378fe9303a45052953a1219f7f1acc82b69d07528b7ba",
+    "zh:4dadec3b783f10d2f8eef3dab5e817baae9c932a7967d45fe3d77fcbcbdaa438",
+    "zh:55be80d6e24828dcb0db7a0226fb275415c1c0ad63dd2f33b76f3ac0cd64e6a6",
+    "zh:560bba29efb7dbe0bfcc937369d88817aa31a8d18aa25395b1afe2576cb04495",
+    "zh:6caacc202e83438ff63d5d96733e283f44e349668d96c6b1c5c7df463ebf85cc",
+    "zh:6cabab83a61d5b4ac801c5a5d57556a0e76ec8dc879d28cf777509db5f6a657e",
+    "zh:96c4528bf9c16edb8841b68479ec51c499ed7fa680462fa28caeab3fc168bb43",
+    "zh:9b12af85486a96aedd8d7984b0ff811a4b42e3d88dad1a3fb4c0b580d04fa425",
+    "zh:cdc0b47ff840d708fbf75abfe86d23dc7f1dffdd233a771822a17b5c637f4769",
+    "zh:d9a9583e82776d1ebb6cf6c3d47acc2b302f8778f470ceffe7579dc794eb1feb",
+    "zh:e9367ca9f6f6418a23cdf8d01f29dd0c4f614e78499f52a767a422e4c334b915",
+    "zh:f6d355a2fb3bcebb597f68bbca4fa2aaa364efd29240236c582375e219d77656",
+  ]
+}
diff --git a/ec2_child_module/child_main.tf b/ec2_child_module/child_main.tf
new file mode 100644
index 0000000..e87a317
--- /dev/null
+++ b/ec2_child_module/child_main.tf
@@ -0,0 +1,8 @@
+resource "aws_instance" "wk21" {
+  ami           = "ami-0b0dcb5067f052a63"
+  instance_type = "t2.micro"
+
+  tags = {
+    Name = "MyInstance"
+  }
+}
diff --git a/ec2_child_module/child_variables.tf b/ec2_child_module/child_variables.tf
new file mode 100644
index 0000000..01adde2
--- /dev/null
+++ b/ec2_child_module/child_variables.tf
@@ -0,0 +1,10 @@
+variable "ami" {
+  type    = string
+  default = "ami-0b0dcb5067f052a63"
+}
+
+variable "instance_type" {
+  type    = string
+  default = "t2.micro"
+}
+
diff --git a/main.tf b/main.tf
new file mode 100644
index 0000000..ca8223e
--- /dev/null
+++ b/main.tf
@@ -0,0 +1,3 @@
+module "ec2_child_module" {
+    source = "./ec2_child_module"
+}
diff --git a/providers.tf b/providers.tf
new file mode 100644
index 0000000..208412c
--- /dev/null
+++ b/providers.tf
@@ -0,0 +1,13 @@
+terraform {
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = "~> 4.0"
+    }
+  }
+}
+
+provider "aws" {
+  profile = "default"
+  region  = "us-east-1"
+}