Frontend: Angular or Vue, deployed on AWS S3 bucket + cloudfront (for https)
Backend: AWS Appsync (or AWS API Gateway) integrated with AWS Lambdas written in Golang. Authentication through AWS Cognito.
DB: anything serverless from AWS (Dynamodb, Aurora etc.)
This way the app would be 100% serverless, no need for effort to scale it or to maintain the infrastructure (apart from automating the ifrastructure through AWS CDK).
Backend: AWS Appsync (or AWS API Gateway) integrated with AWS Lambdas written in Golang. Authentication through AWS Cognito. DB: anything serverless from AWS (Dynamodb, Aurora etc.)
This way the app would be 100% serverless, no need for effort to scale it or to maintain the infrastructure (apart from automating the ifrastructure through AWS CDK).