AWS Lambda now supports GitHub Actions for direct deployment of functions using declarative GitHub Actions workflows. The integration accepts both .zip packages and container images and supports Amazon S3-based deployment for large .zip files. GitHub Actions workflows can use OpenID Connect (OIDC) to assume IAM roles without long-lived AWS credentials. The action allows configuring runtime, memory, timeout, environment variables, and dry-run mode. The setup reduces the need for custom scripts by providing a declarative YAML interface and simplifies CI/CD pipelines for serverless applications. A sample workflow demonstrates checkout and aws-actions/configure-aws-credentials with role-to-assume for OIDC authentication.
GitHub Actions is a tool that automatically runs tasks like building, testing, and deploying code whenever changes are made to a GitHub repository. The new action for AWS Lambda integrates with IAM using OpenID Connect (OIDC) authentication. It supports configuring function settings, including runtime, memory size, timeout, and environment variables, as well as dry-run mode, and Amazon S3-based deployment for larger .zip file packages.
Development teams previously had to write custom scripts and manually handle packaging, permissions, and error handling to deploy Lambda functions from GitHub Actions, resulting in repetitive work and increased risk of errors. The new option provides a declarative, YAML interface that eliminates the complexity of manual deployment steps. Remember writing custom scripts to deploy Lambda functions from GitHub? Those days are over!
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