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.

Feature	OpenFaas	Docker Swarm
Overall Score	N/A	N/A
Primary Category	Development	Development

Product Overview

OpenFaas

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

Docker Swarm

Description: 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.

Key Features Comparison

OpenFaas Features

• 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

Docker Swarm Features

• 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

Pros & Cons Analysis

OpenFaas

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

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

Pricing Comparison

OpenFaas

• Open Source

Docker Swarm

• Open Source