Series

Laravel Migrations in Production: A Zero-Downtime Guide

Laravel migrations can lock your production database for minutes without warning. This series shows the exact code to add indexes, columns, and constraints without downtime.

3 parts · about 17 min to read

Laravel
Adding Indexes to Large Tables in Laravel Without Locking Them

Online index builds let you add an index to a 40-million-row table without freezing writes, but only if you ask the database for them explicitly and guard against the locks...

Dasun Kalupahana September 27, 2026 6 min read
Laravel
Laravel Migrations: Add & Change Columns Without Downtime

Part 1 covered indexes. The next place teams get surprised in production is the up() method sitting right above the index migration: adding a column, backfilling it, and eventually making...

Dasun Kalupahana October 1, 2026 7 min read
Laravel
Laravel Migrations: Add Foreign Keys Without Locking

Part 1 covered indexes and Part 2 covered columns. The next Laravel migrations most teams get wrong are the ones that tie two tables together: foreign keys and check constraints.A...

Dasun Kalupahana October 2, 2026 4 min read

Adding Indexes to Large Tables in Laravel Without Locking Them

Laravel Migrations: Add & Change Columns Without Downtime

Laravel Migrations: Add Foreign Keys Without Locking