PostgreSQL

Automating Daily PostgreSQL Backups to AWS S3 in Under 50 Lines of Python

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Relying on manual database dumps is a recipe for disaster. I wrote a lightweight, self-contained Python script to dump a remote Postgres database, compress it with gzip, and upload it directly to an Amazon S3 bucket with date versioning. The Script import os import subprocess from datetime import datetime import boto3 DB_NAME = “production_db” DB_USER … Read more

Syncing Google Sheets to PostgreSQL in n8n Without Dropping Data

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Many clients use Google Sheets as a lightweight CRM. To build real analytics, I needed an automated pipeline in n8n that periodically syncs modified rows into an internal PostgreSQL database. The Problem: Duplicate Primary Key Collisions A naive sync workflow crashes whenever an existing row is re-saved, throwing duplicate key value violates unique constraint. Conversely, … Read more