Example AWS Lambda C# .NET Core 3.1 with connect MySQL via not using any ORM Test and Deploy with AWS CLI Deploy $ cd src/aws-lambda-db $ dotnet lambda deploy-function {LAMBDA_FUNCTION_NAME} –-function-role {ROLE_NAME} Try to Run and Get result $ cd src/aws-lambda-db $ aws lambda invoke --function-name {LAMBDA_FUNCTION_NAME} output.txt