Rebuilding Fathom Analytics on Serverless Infrastructure with Jack Ellis

Jan 1, 2020

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Jack Ellis

Fathom Analytics

Laravel

Hosting Providers

AWS Services Used

Other Links

Timestamps

[00:00:58] What's Fathom Analytics and how is it different from Google Analytics?
[00:03:35] When was the project started?
[00:06:00] Limiting what we know about our users
[00:08:11] Tracking unique page views without cookies
[00:11:50] The original Open Source Golang version of Fathom
[00:14:06] The case for rewriting Fathom
[00:17:46] The process of rewriting Fathom
[00:20:49] Migrating from individual SQLite instances to multitenant MySQL
[00:24:10] Working with DNS Caching, running the old and new application simultaneously while migrating
[00:26:40] Moving from Digital Ocean, to Heroku, to AWS (using Laravel Vapor)
[00:34:07] What's Laravel Vapor? (Provisioning and deployment tool for AWS serverless offerings)
[00:37:06] Comparing how Fathom used Heroku vs AWS (Heroku Redis -> ElasticCache + SQS, Web/Worker Dynos -> SQS + Lambda functions)
[00:40:25] Moving from Heroku Web/Worker dynos to Lambda functions
[00:42:25] Using Elastic Load Balancer instead of API Gateway
[00:44:01] Tracking load, downtime, maintaining availability
[00:51:22] Walkthrough of what happens when a user visits a site running Fathom
[00:52:50] Dealing with the AWS lambda cold start problem
[00:54:04] Why serverless was a good fit and when to use it

Theme music is 12:30 AM by Crystal Cola.