FaaS (Functions as a Service) or Serverless

Pros:

• DevOps is not required

• Reduce security footprint

• Isolated

• Pay for what you use

Cons:

• Harder debugging

• Increased complexity on infrastructure

Good for:

• Teams with poor devops

When to use FaaS?

• Unpredictable demands

  • Competing products (Ec2) can leveraged auto scaling

• Small work loads that don’t require an always on machine

• Isolated processes

Examples:

• Low traffic url shortener https://github.com/aizatto/url-shortener/