Tag: postgresql
All the articles with the tag "postgresql".
Migrating Apache Airflow 2.x to 3.2 — A Real Project Walkthrough
Posted on:April 19, 2026 at 10:00 AMAirflow 3.x is a genuine architectural upgrade, not a version bump. This post walks through migrating the ECB exchange-rate ETL from 2.9 to 3.2 — new services, JWT-signed inter-service auth, provider installation changes, and every gotcha surfaced while actually running it.
Apache Airflow ETL Demo — Scheduling Real Pipelines with PostgreSQL and No Abstractions
Posted on:April 19, 2026 at 10:00 AMA practical Apache Airflow tutorial using Docker Compose and the TaskFlow API. Builds a complete ETL pipeline that fetches ECB exchange rates from a public API, transforms them, and loads them into PostgreSQL — without Astronomer or any managed wrapper.
Apache Superset — Visualizing Your Airflow + PostgreSQL Pipeline in a Live Dashboard
Posted on:April 19, 2026 at 10:00 AMApache Superset sits at the top of the data platform stack — Airflow loads, PostgreSQL stores, Superset visualizes. This post adds Superset to the Docker Compose from the Airflow ETL demo and builds exchange rate dashboards over the same PostgreSQL data warehouse.