Aws Cost Notifier

Daily slack notifications of AWS monthly costs.

Overview

This application automatically notifies your Slack channel about AWS monthly costs on a daily basis, helping you track and monitor your AWS spending efficiently.

Prerequisites

• Go 1.21.7 or later
• Terraform 1.9.8 or later
• AWS CLI 2.19.1 or later
• Docker (for Lambda container image)
• AWS Account with appropriate permissions

Setup

1. Configure AWS Profile

export AWS_PROFILE={YOUR_PROFILE}

2. Configure Slack Webhook

Store your Slack webhook URL in AWS Parameter Store.

Parameter name: SLACK_WEBHOOK_URL_COST_NOTIFIER Type: SecureString Value: Your Slack webhook URL

Deployment

cd infra

Initialize Terraform (First time only)

terraform init

Preview Changes

terraform plan -var-file=terraform.tfvars.{env}

Apply Changes

terraform apply -var-file=terraform.tfvars.{env}

Replace {env} with your target environment (stg/prod)