GCP Cloud Functions

Build serverless applications with Cloud Functions.

Deploy Function

Deploy HTTP function

gcloud functions deploy hello
--runtime=python311
--trigger-http
--allow-unauthenticated
--entry-point=hello_http

Deploy Pub/Sub triggered function

gcloud functions deploy process-message
--runtime=python311
--trigger-topic=my-topic
--entry-point=process

Function Code

main.py

def hello_http(request): return 'Hello, World!'

def process(event, context): import base64 data = base64.b64decode(event['data']).decode('utf-8') print(f"Received: {data}")

Best Practices

• Use 2nd gen functions for better performance

• Implement proper error handling

• Use environment variables for configuration

• Monitor with Cloud Logging