This is an AWS IAM policy to provide restricted access to Terraform to communicate with the backend resources -AWS S3 bucket and dynamoDB table

backend-policy.json

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "VisualEditor0",
            "Effect": "Allow",
            "Action": [
                "dynamodb:PutItem",
                "dynamodb:DeleteItem",
                "dynamodb:GetItem"
            ],
            "Resource": "arn:aws:dynamodb:$(Region):$(AWSAccountNumber):table/$(BackendLockTableName)"
        },
        {
            "Effect": "Allow",
            "Action": "s3:ListBucket",
            "Resource": "arn:aws:s3:::$(BackendBucketName)"
        },
        {
            "Effect": "Allow",
            "Action": [
                "s3:GetObject",
                "s3:PutObject"
            ],
            "Resource": "arn:aws:s3:::$(BackendBucketName)/$(PathToTFStateFile)"
        }
    ]
}