Tag · 424 articles · 1 interview series

#DevOps

Practical DevOps articles, guides and code examples from the Expona engineering blog.

Articles

424 articles

Monitoring data pipelines: practical tips and trade-offs

APACHE SPARK & DATA ENGINEERING · DAY 059

Monitoring data pipelines: practical tips and trade-offs

Expona Admin · Oct 27, 2026 · 8 min read

Spark MLlib basics: a practical Spark & Data Eng guide

APACHE SPARK & DATA ENGINEERING · DAY 063

Spark MLlib basics: a practical Spark & Data Eng guide

Expona Admin · Oct 27, 2026 · 6 min read

Handling PII in pipelines: practical tips and trade-offs

APACHE SPARK & DATA ENGINEERING · DAY 069

Handling PII in pipelines: practical tips and trade-offs

Expona Admin · Oct 27, 2026 · 9 min read

Schema evolution: a Spark & Data Eng guide for developers

APACHE SPARK & DATA ENGINEERING · DAY 070

Schema evolution: a Spark & Data Eng guide for developers

Expona Admin · Oct 27, 2026 · 9 min read

Building a clickstream pipeline: lessons from production

APACHE SPARK & DATA ENGINEERING · DAY 071

Building a clickstream pipeline: lessons from production

Expona Admin · Oct 27, 2026 · 8 min read

Building a sales analytics pipeline in Spark & Data Eng

APACHE SPARK & DATA ENGINEERING · DAY 072

Building a sales analytics pipeline in Spark & Data Eng

Expona Admin · Oct 27, 2026 · 7 min read

Common Spark mistakes in Apache Spark & Data Engineering

APACHE SPARK & DATA ENGINEERING · DAY 075

Common Spark mistakes in Apache Spark & Data Engineering

Expona Admin · Oct 27, 2026 · 8 min read

Common data pipeline mistakes: best practices explained

APACHE SPARK & DATA ENGINEERING · DAY 076

Common data pipeline mistakes: best practices explained

Expona Admin · Oct 27, 2026 · 7 min read

Data engineering interview questions in Spark & Data Eng

APACHE SPARK & DATA ENGINEERING · DAY 078

Data engineering interview questions in Spark & Data Eng

Expona Admin · Oct 27, 2026 · 6 min read

Spark 4 highlights: a practical Spark & Data Eng guide

APACHE SPARK & DATA ENGINEERING · DAY 079

Spark 4 highlights: a practical Spark & Data Eng guide

Expona Admin · Oct 27, 2026 · 8 min read

Time travel and auditing for Spark & Data Eng developers

APACHE SPARK & DATA ENGINEERING · DAY 089

Time travel and auditing for Spark & Data Eng developers

Expona Admin · Oct 27, 2026 · 6 min read

Sampling data in Spark: a practical guide for developers

APACHE SPARK & DATA ENGINEERING · DAY 093

Sampling data in Spark: a practical guide for developers

Expona Admin · Oct 27, 2026 · 6 min read

100 days of Apache Spark and data engineering: the recap

APACHE SPARK & DATA ENGINEERING · DAY 100

100 days of Apache Spark and data engineering: the recap

Expona Admin · Oct 27, 2026 · 7 min read

Rails environments and configuration: a practical guide

RUBY ON RAILS · DAY 037

Rails environments and configuration: a practical guide

Expona Admin · Oct 27, 2026 · 6 min read

Deploying Rails with Kamal: patterns, pitfalls and fixes

RUBY ON RAILS · DAY 051

Deploying Rails with Kamal: patterns, pitfalls and fixes

Expona Admin · Oct 27, 2026 · 6 min read

Rails in Docker: Ruby on Rails best practices explained

RUBY ON RAILS · DAY 052

Rails in Docker: Ruby on Rails best practices explained

Expona Admin · Oct 27, 2026 · 6 min read

Rails on Heroku, Render and Fly: lessons from production

RUBY ON RAILS · DAY 053

Rails on Heroku, Render and Fly: lessons from production

Expona Admin · Oct 27, 2026 · 7 min read

Rails on AWS: concepts, trade-offs and production lessons

RUBY ON RAILS · DAY 054

Rails on AWS: concepts, trade-offs and production lessons

Expona Admin · Oct 27, 2026 · 7 min read

Asset pipeline with Propshaft: best practices explained

RUBY ON RAILS · DAY 055

Asset pipeline with Propshaft: best practices explained

Expona Admin · Oct 27, 2026 · 6 min read

Building a SaaS with Rails 8 for Ruby on Rails developers

RUBY ON RAILS · DAY 072

Building a SaaS with Rails 8 for Ruby on Rails developers

Expona Admin · Oct 27, 2026 · 6 min read