OpenFaas vs Docker Swarm

Struggling to choose between OpenFaas and Docker Swarm? Both products offer unique advantages, making it a tough decision.

OpenFaas is a Development solution with tags like serverless, functions, autoscaling, automated-deployment.

It boasts features such as Serverless functions, Auto-scaling, Multiple language support (Node.js, Python, Ruby, C#, etc), Open source, CLI for easy deployment, Prometheus metrics, Works with Docker & Kubernetes and pros including Easy and fast to deploy functions, Scales automatically based on load, No servers to manage, Pay only for what you use, Integrates well with Docker and Kubernetes.

On the other hand, Docker Swarm is a Development product tagged with clustering, container-orchestration, docker.

Its standout features include Native clustering for Docker, Turns multiple Docker hosts into a single virtual host, Load balancing, Service discovery, Scaling services across hosts, Rolling updates, Health checks and failover, and it shines with pros like Easy clustering of Docker containers, Horizontal scaling, High availability, Load balancing out of the box, Rolling updates with zero downtime, Built-in service discovery.

To help you make an informed decision, we've compiled a comprehensive comparison of these two products, delving into their features, pros, cons, pricing, and more. Get ready to explore the nuances that set them apart and determine which one is the perfect fit for your requirements.

OpenFaas

OpenFaas

OpenFaas is an open source framework for building serverless functions. It has advanced functionality for auto-scaling and automated deployment of functions.

Categories:
Development Serverless Computing
serverless functions autoscaling automated-deployment

OpenFaas Features

  1. Serverless functions
  2. Auto-scaling
  3. Multiple language support (Node.js, Python, Ruby, C#, etc)
  4. Open source
  5. CLI for easy deployment
  6. Prometheus metrics
  7. Works with Docker & Kubernetes

Pricing

  • Open Source

Pros

Easy and fast to deploy functions

Scales automatically based on load

No servers to manage

Pay only for what you use

Integrates well with Docker and Kubernetes

Cons

Can have cold starts

Debugging can be tricky

Lock-in to framework if not using open standards

Monitoring/logging need additional work

Docker Swarm

Docker Swarm

Docker Swarm is a native clustering solution for Docker containers that turns a group of Docker engines into a single virtual Docker engine. It allows users to manage multiple Docker hosts as a cluster and deploy services across the cluster.

Categories:
Development Containerization
clustering container-orchestration docker

Docker Swarm Features

  1. Native clustering for Docker
  2. Turns multiple Docker hosts into a single virtual host
  3. Load balancing
  4. Service discovery
  5. Scaling services across hosts
  6. Rolling updates
  7. Health checks and failover

Pricing

  • Open Source

Pros

Easy clustering of Docker containers

Horizontal scaling

High availability

Load balancing out of the box

Rolling updates with zero downtime

Built-in service discovery

Cons

More complex than standalone Docker

Requires Docker Engine on each node

Not as feature rich as Kubernetes

Limited metrics and logging