Learn Openfaas - 10 Code Examples & CST Typing Practice Test
OpenFaaS (Functions as a Service) is an open-source serverless framework for building and deploying functions or microservices with Docker and Kubernetes. It focuses on simplicity, portability, and scaling workloads automatically.
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Learn OPENFAAS with Real Code Examples
Updated Nov 25, 2025
Learning Path
Learn Docker basics
Understand Kubernetes fundamentals
Learn OpenFaaS CLI and template system
Practice deploying simple functions
Build complex event-driven microservices
Skill Improvement Plan
Week 1: Docker and Kubernetes setup
Week 2: Deploy first function with OpenFaaS
Week 3: Use triggers like HTTP, queue, or cron
Week 4: Implement autoscaling and monitoring
Week 5: Build multi-function workflows and CI/CD pipelines
Interview Questions
What is OpenFaaS and why use it?
How do functions scale in OpenFaaS?
What triggers can invoke functions?
Explain the architecture of OpenFaaS.
How does OpenFaaS achieve vendor neutrality?
Cheat Sheet
faas-cli new <func> --lang python3 -> create function
faas-cli build -> build function container
faas-cli push -> push to registry
faas-cli deploy -> deploy function
faas-cli invoke <func> -> invoke function
Books
Serverless Functions with OpenFaaS
OpenFaaS in Action
Building Cloud-Native Applications with OpenFaaS
Event-Driven Microservices with OpenFaaS
Mastering OpenFaaS for DevOps
Tutorials
Deploy first function on OpenFaaS
Build HTTP-triggered serverless functions
Implement queue-triggered functions
Autoscale functions and monitor metrics
Integrate OpenFaaS in CI/CD pipelines
Official Docs
https://www.openfaas.com/
https://docs.openfaas.com/
Community Links
OpenFaaS GitHub
OpenFaaS Slack
StackOverflow OpenFaaS questions
Twitter @openfaas
OpenFaaS Summit
Community Support
OpenFaaS GitHub
OpenFaaS Slack
StackOverflow OpenFaaS questions
Twitter @openfaas
OpenFaaS Summit and community meetups
Frequently Asked Questions about Openfaas
What is Openfaas?
OpenFaaS (Functions as a Service) is an open-source serverless framework for building and deploying functions or microservices with Docker and Kubernetes. It focuses on simplicity, portability, and scaling workloads automatically.
What are the primary use cases for Openfaas?
Deploying event-driven serverless functions. Microservices backends. Automating DevOps and CI/CD pipelines. Edge computing and IoT workloads. Data processing tasks and cron jobs
What are the strengths of Openfaas?
Easy to deploy functions in Docker/Kubernetes. Vendor-neutral serverless solution. Rapid scaling and scale-to-zero for cost savings. Supports multiple programming languages. Simplifies CI/CD automation and event-driven workflows
What are the limitations of Openfaas?
Requires containerization knowledge. Less mature ecosystem compared to AWS Lambda. Performance depends on container startup time. Complex orchestration for large-scale deployments. Monitoring and debugging can be challenging for many functions
How can I practice Openfaas typing speed?
CodeSpeedTest offers 10+ real Openfaas code examples for typing practice. You can measure your WPM, track accuracy, and improve your coding speed with guided exercises.