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Functions

1 tutorials · 16 guides

Tutorials

Beginner

Deploy an HTTP Function on Raff: Step-by-Step

Deploy a Node.js HTTP Function on Raff, verify the live HTTPS URL, inspect logs, add environment variables, and confirm scale-to-zero and cost controls.

12 min read
serverless-functionshttp-apinode-js

Guides

For: Developers and small teams operating event-driven functions in production

Operating Serverless Functions in Production: Security, Observability & Recovery

Production serverless operations guide covering triggers, scoped bindings, retries, observability, spend controls, revisions, rollback, and incident recovery.

13 min read
ServerlessFunctionsSecurity
For: Developers and small teams migrating HTTP workloads from AWS Lambda Function URLs or API Gateway to a standard serverless runtime

Migrate an AWS Lambda HTTP Handler to Raff Functions

Migrate an AWS Lambda HTTP handler to Raff Functions by removing event/context coupling, mapping request/response behavior, replacing AWS-specific dependencies, and staging a safe cutover.

16 min read
AWS LambdaServerless MigrationRaff Functions
For: Developers securing serverless HTTP APIs, browser endpoints, webhooks, and service-to-service Functions

Serverless API Security: Authentication, CORS & Rate Limiting

Learn how to secure serverless APIs with authentication, authorization, CORS, rate limiting, validation, scoped secrets, and safe HTTP Function boundaries.

15 min read
Serverless FunctionsAPI SecurityAuthentication
For: Developers choosing serverless HTTP Functions for APIs, webhooks, callbacks, and event-driven endpoints

Serverless APIs and Webhooks: HTTP Functions for Small Teams

Learn when serverless APIs and HTTP Functions fit webhooks, callbacks, small APIs, and event-driven endpoints, and when a persistent app runtime fits better.

14 min read
Serverless FunctionsAPIsHTTP
For: Developers choosing between direct serverless HTTP endpoints and a managed App Platform API service

Serverless API Endpoint vs App Platform: Which HTTP Runtime Fits?

Learn when a serverless API endpoint or App Platform API fits better based on workload coupling, routing, process lifecycle, deployment workflow, scaling, and cost.

14 min read
Serverless FunctionsApp PlatformAPIs
For: Developers and small teams choosing between serverless, containers, app platforms, VMs, and Kubernetes.

Serverless vs Containers: Differences, Cost & When to Use Each

Compare serverless vs containers across architecture, scaling, cost, portability, runtime control, serverless containers, Kubernetes, and common use cases.

16 min read
ServerlessContainersServerless Functions
For: Developers and platform teams planning serverless timeout, memory, storage, and concurrency limits

Serverless Function Timeout, Memory & Concurrency Limits

Learn how serverless function timeout, memory, temporary storage, and concurrency limits affect workload design and when to choose another compute model.

15 min read
Serverless FunctionsRuntime LimitsTimeouts
For: Developers and platform teams tuning serverless latency, concurrency, autoscaling, and scale-to-zero behavior

Serverless Cold Starts, Concurrency, and Scale-to-Zero

Learn how serverless cold starts, concurrency, scale-to-zero, warm capacity, and traffic bursts affect latency, autoscaling, and production function design.

14 min read
Serverless FunctionsCold StartsConcurrency
For: Developers and small teams setting serverless budgets, spend caps, warm capacity, and production usage guardrails

Serverless Cost Controls: Spend Caps, Warm Instances & Usage Limits

Learn how serverless cost controls, spend caps, warm instances, usage limits, and anomaly reviews help small teams prevent unexpected function spend.

14 min read
Serverless FunctionsCost ControlSpend Caps
For: Founders and developers designing upload, file-processing, and object-storage event workflows

Object Storage Events on Serverless Functions: File Processing Without Workers

Learn how object storage events trigger serverless file processing, with prefix filters, idempotency, retries, status tracking, security, and worker trade-offs.

15 min read
Serverless FunctionsObject StorageFile Processing
For: Founders and developers deciding where to run AI, ETL, file processing, and batch workloads

Long-Running Serverless Functions for AI, ETL, and Batch Jobs

Learn when to use long-running serverless functions for AI, ETL, batch, cron, and storage events, and when Raff VM is a better fit.

17 min read
Serverless FunctionsAIETL
For: Founders and developers deciding where scheduled jobs should run in production infrastructure

Cron Jobs on Serverless Functions vs Cron on a VM

Learn when to run cron jobs on serverless functions or VMs, with examples for scheduled tasks, reports, syncs, retries, and Raff Functions.

17 min read
Serverless FunctionsCloud VMCron Jobs
For: Founders and developers who want serverless functions that stay portable across functions, VMs, containers, and Kubernetes

Portable Serverless Handlers: Avoiding Lambda Lock-In

Learn how portable serverless handlers reduce Lambda lock-in, keep functions easier to move, and support standard runtimes on Raff Functions.

16 min read
Serverless FunctionsPortabilityCloud VM
For: Founders and developers deciding where public webhook endpoints should run in production

Webhooks on Serverless Functions: When to Use Functions Instead of VMs

Learn when to use serverless functions for webhooks, when VMs are better, and how to design webhook retries, logs, security, and storage.

17 min read
Serverless FunctionsWebhooksCloud VM
For: Founders, developers, and small infrastructure teams estimating serverless function cost before production deployment.

Serverless Function Pricing: CPU, Memory, Requests, and Egress

Learn serverless function pricing: memory GB-seconds, active CPU, requests, egress, free tiers, warm capacity, cost estimation, and when a VM may be cheaper.

15 min read
Serverless FunctionsPricingFaaS
For: Developers, founders, and small infrastructure teams deciding between serverless functions, virtual machines, or a mixed architecture.

Serverless Functions vs VMs: What Small Teams Should Choose

Compare serverless functions vs VMs for small teams: workload fit, cost shape, state, scaling, operations, recovery, and when a mixed architecture works best.

16 min read
Serverless FunctionsCloud VMSaaS

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