To run a function on your local

$ serverless invoke local --function hello

To simulate API Gateway locally using serverless-offline

$ serverless offline start

Deploy your project

$ serverless deploy

Deploy a single function

$ serverless deploy function --function hello

To add environment variables to your project

1. Rename env.example to .env.
2. Add environment variables for your local stage to .env.
3. Uncomment environment: block in the serverless.yml and reference the environment variable as ${env:MY_ENV_VAR}. Where MY_ENV_VAR is added to your .env file.
4. Make sure to not commit your .env.