The complete application is deployed locally using DynamoDB Local and the sam local command. To enable automated packaging and deployment, use AWS Serverless Application Model (AWS SAM) and the AWS SAM CLI.
Another microservice making API calls to the above-mentioned name and greeting services, and provide a personalized greeting (microservice-webapp), is written in Java.Īll of these microservices are deployed as serverless functions in AWS Lambda and front-ended by an API interface using Amazon API Gateway. A microservice obtaining users’ details (microservice-name) from an Amazon DynamoDB table is written using Node.js. A microservice providing a greeting message (microservice-greeting) is written in Python. The complete code is available in the GitHub repository aws-codebuild-polyglot-application. This post provides an example of a microservices application comprised of three different microservices written using different programming languages. For a complete list of supported runtime versions and how they must be specified in the buildspec file, see the build specification reference for CodeBuild. Runtimes can be composed of different major versions of the same programming language, or different programming languages altogether. #Multispec lan file description install
With CodeBuild, it is possible to specify multiple runtimes in the buildspec file as part of the install phase. This blog post explains how easy it is to build polyglot applications, test them, and package them for deployment using a single AWS CodeBuild project.ĬodeBuild adds support for Polyglot builds using runtime-versions.
Microservices are becoming the new normal, and it’s natural to use multiple different programming languages for different microservices in the same application. Post Syndicated from Prakash Palanisamy original
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