AWS Amazon S3 Bucket Object

This page shows how to write Terraform and CloudFormation for Amazon S3 Bucket Object and write them securely.

aws_s3_bucket_object (Terraform)

The Bucket Object in Amazon S3 can be configured in Terraform with the resource name aws_s3_bucket_object. The following sections describe 1 example of how to use the resource and its parameters.

Example Usage from GitHub
resource "aws_s3_bucket_object" "assassinatos" {
  bucket =
  key    = "data/assassinatos.csv"
  acl    = "private"
  source = "../data/assassinatos.csv"
  etag   = filemd5("../data/assassinatos.csv")

Review your Terraform file for AWS best practices

Shisho Cloud, our free checker to make sure your Terraform configuration follows best practices, is available (beta).


Explanation in Terraform Registry

Provides a S3 bucket object resource.

Tips: Best Practices for The Other AWS Amazon S3 Resources

In addition to the aws_s3_bucket_public_access_block, AWS Amazon S3 has the other resources that should be configured for security reasons. Please check some examples of those resources and precautions.



Ensure S3 bucket-level Public Access Block restricts public bucket policies

It is better to enable S3 bucket-level Public Access Block if you don't need public buckets.



Ensure S3 bucket access policy is well configured

It is better to configure the S3 bucket access policy properly to limit it unless explicitly required.

Review your AWS Amazon S3 settings

In addition to the above, there are other security points you should be aware of making sure that your .tf files are protected in Shisho Cloud.

AWS::S3::Bucket ObjectLockConfiguration (CloudFormation)

The Bucket ObjectLockConfiguration in S3 can be configured in CloudFormation with the resource name AWS::S3::Bucket ObjectLockConfiguration. The following sections describe how to use the resource and its parameters.

Example Usage from GitHub

An example could not be found in GitHub.


ObjectLockEnabled Indicates whether this bucket has an Object Lock configuration enabled. Enable ObjectLockEnabled when you apply ObjectLockConfiguration to a bucket.
Required: No
Type: String
Allowed values: Enabled
Update requires: No interruption

Rule Specifies the Object Lock rule for the specified object. Enable the this rule when you apply ObjectLockConfiguration to a bucket. If Object Lock is turned on, bucket settings require both Mode and a period of either Days or Years. You cannot specify Days and Years at the same time. For more information, see ObjectLockRule and DefaultRetention.
Required: Conditional
Type: ObjectLockRule
Update requires: No interruption

Explanation in CloudFormation Registry

Places an Object Lock configuration on the specified bucket. The rule specified in the Object Lock configuration will be applied by default to every new object placed in the specified bucket. For more information, see Locking Objects.

Frequently asked questions

What is AWS Amazon S3 Bucket Object?

AWS Amazon S3 Bucket Object is a resource for Amazon S3 of Amazon Web Service. Settings can be wrote in Terraform and CloudFormation.

Where can I find the example code for the AWS Amazon S3 Bucket Object?

For Terraform, the batestin1/AWS source code example is useful. See the Terraform Example section for further details.