GitLab + AWS Lambda DevOps Hub

This template demonstrates deploying an AWS Lambda function with Terraform and automating the workflow using GitLab CI/CD.

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🚀 Features

• Package Python Lambda with dependencies
• Deploy Lambda via Terraform
• GitLab CI/CD pipeline with stages:
  • package → build Lambda zip
  • validate → Terraform syntax check
  • plan → preview changes
  • apply → manual approval for deployment
• CloudWatch log group created automatically

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🔐 Setup

1. Create an AWS IAM user with programmatic access.
2. Store credentials in GitLab CI/CD Variables:
   • AWS_ACCESS_KEY_ID
   • AWS_SECRET_ACCESS_KEY
   • AWS_DEFAULT_REGION
3. Optional variables:
   • TF_VAR_project_name
   • TF_VAR_env

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🧪 Usage

Run pipeline

• Push to GitLab → pipeline packages Lambda and runs Terraform plan.
• Manual approval needed for apply to deploy Lambda.

Run locally

cd lambda
pip install -r requirements.txt -t .
zip -r ../lambda_package.zip .

cd ../terraform
terraform init
terraform plan
terraform apply