Terraform 0.15 compatibility

• Update syntax for Terraform 0.15. Pre-commit and CircleCI updates.

Add health_check_grace_period_seconds

• feature: add health_check_grace_period_seconds

Remove workaround for Terraform bug

This removes a workaround (#183) for a Terraform bug (hashicorp/terraform#16856) that is now fixed.

The upgrade path and recommendations are detailed in the Readme.

Example hello world container logs to stdout when it comes online

Merge pull request #180 from trussworks/rd-add-log-to-default-cont

log to stdout when default hello world go container spins up

Fix cloudwatch arn 3.x provider issue in 3.3.0

• Fix cloudwatch arn 3.x provider issue in 3.3.0

Loosens TF and Provider version constraints

Merge pull request #169 from trussworks/ee-cleanup

Cleanup

Relax AWS provider for TF0.12

• Relax AWS provider for TF0.12: 3.x is out and works just fine

Support for Fargate platform_version

• #163

Support for Fargate platform_version

• #162

Fix CloudWatch alarm enable flag

This release incorporates:

• dependency updates
• documentation updates
• #158: fix the memory alert