Starting with Google Cloud Functions

Using Cloud Functions native, without any framework like serverless to do this. it will initially run a express server in the future, whe will see.

Local debug

To run the project locally you will need to use the the functions-framework from the google team, to install it execute the following command.

npm install @google-cloud/functions-framework

To use it

FUNCTION_TARGET=helloHttp npx @google-cloud/functions-framework

or just run

npm start

to run with hot reload use

npm run start:watch

It will probably run on port 8080, after that just be happy, target it with postman or your app.

Local use with docker (recommended)

With docker installed in the machine, just run the following command

docker-compose up dev

Deploying

To deploy it use the following command

gcloud functions deploy helloHttp --runtime nodejs10 --trigger-http --allow-unauthenticated

To consult the others flag and options just go to official documentation