Cloud Functions
Official docs outline
9 sections- Cloud Run functions overview
Event-driven functions as a service and the execution environment.
- Function types and triggers
HTTP triggers and event-driven triggers via Eventarc, Pub/Sub and Cloud Storage.
- Writing functions
Function signatures, HTTP and event handlers and the Functions Framework.
- Deploying functions
Deploying from source with gcloud and build configuration.
- Runtimes
Supported language runtimes and their version lifecycle.
- Environment variables and secrets
Configuring environment variables and Secret Manager secrets.
- Networking settings
Ingress and egress settings and VPC connectivity.
- Authenticating invocations
IAM invoker permissions and authenticating callers.
- Quotas and limits
Timeouts, memory, concurrency and rate limits.
Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.