Docker Swarm vs OpenFaas

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

Docker Swarm is a Development solution with tags like clustering, container-orchestration, docker.

It boasts features such as 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 pros including Easy clustering of Docker containers, Horizontal scaling, High availability, Load balancing out of the box, Rolling updates with zero downtime, Built-in service discovery.

On the other hand, OpenFaas is a Development product tagged with serverless, functions, autoscaling, automated-deployment.

Its standout features include 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 it shines with pros like 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.

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

Product Overview

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.

OpenFaas

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

Key Features Comparison

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

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

Pros & Cons Analysis

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

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

Pricing Comparison

Docker Swarm

• Open Source

OpenFaas

• Open Source