mkdir serverless_express
cd serverless_express
npx serverless create --template aws-nodejs-typescript
npm install -D serverless-offline
npm install aws-lambda serverless-http express @types/express
npx sls offline
curl -X GET -H 'Content-Type:application/json' 'http://localhost:3000/dev/hello
curl -X POST -H 'Content-Type:application/json' 'http://localhost:3000/dev/hello/100'
npx sls deploy