Contributed a new blog post to the ScottLogic/blog repository, focusing on lightweight open-source alternatives to traditional SaaS data engineering platforms. The work involved researching and articulating practical guidance for data engineering teams, with an emphasis on tools such as Docker, Kafka, and Postgres. The post was developed and refined using Markdown and YAML, with careful attention to formatting and copy edits to ensure clarity and consistency. By updating publication details and improving readability, the contribution expanded the content catalog and supported thought leadership in data engineering, offering actionable insights for readers evaluating open-source solutions for their data workflows.