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README.md

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+# Lambda Node.js + yarn
+
+Lambda Module with the best security practice prebuilt with yarn installing to add custom modules and libreries from npmjs.com, ideally to integrate to CI/CD pipeline. Some features:
+
+- Integrated with S3 bucket to deploy latest version and compare if a lambda require update.
+- Best security best practices witn encryption features.
+- Easy handle to packaging zip + node_modules folder.
+- Terraform `0.12.+`
+
+## How to use
+
+```hcl
+module "my-lambda" {
+  source       = "hendrixroa/lambda-nodejs-yarn/aws"
+  code_location        = "../mylambdas/lambda"
+  key_s3_bucket        = "lambda.zip"
+  s3_bucket_id         = aws_s3_bucket.lambdas.id
+  lambda_iam_role      = aws_iam_role.lambda_basic_role.arn
+  lambda_function_name = "lambda"
+  lambda_runtime       = "nodejs10.x"
+  kms_key_logs         = "kms key arn for logs"
+  kms_key_lambda       = "kms key arn for lambda"
+
+  environment_variables = {
+    myAwesomeEnv = "my awesome value"
+  }
+}
+```
+
+- Basic IAM Role and Policy:
+
+```hcl
+resource "aws_iam_role" "lambda_basic_role" {
+  name = "lambda_basic_role"
+
+  assume_role_policy = <<EOF
+{
+  "Version": "2012-10-17",
+  "Statement": [
+    {
+      "Action": "sts:AssumeRole",
+      "Principal": {
+        "Service": "lambda.amazonaws.com"
+      },
+      "Effect": "Allow"
+    }
+  ]
+}
+EOF
+}
+
+resource "aws_iam_role_policy" "lambda_basic_policy" {
+  name = "lambda_basic_policy"
+  role = aws_iam_role.lambda_basic_role.id
+
+  policy = <<EOF
+{
+  "Version": "2012-10-17",
+  "Statement": [
+    {
+      "Effect": "Allow",
+      "Action": [
+        "logs:CreateLogGroup",
+        "logs:CreateLogStream",
+        "logs:PutLogEvents"
+      ],
+      "Resource": [
+        "arn:aws:logs:*:*:*"
+      ]
+    }
+  ]
+}
+EOF
+}
+
+```