$ brew install python@3.9
$ npm install -g serverless
$ sls plugin install -n serverless-python-requirements
$ sls plugin install -n serverless-dotenv-plugin
$ pip3 install --upgrade -r requirements.txt$ cp .env.example .envRETENTION_DAYS="0"
SLACK_WEBHOOK_URL=""In order to deploy the example, you need to run the following command:
$ sls deploy --region ap-northeast-2