How to Migrate Mongoid to PostgreSQL in Rails
Escape NoSQL legacy debt. A technical blueprint to migrate Mongoid to PostgreSQL in Rails using JSONB and relational mapping.
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Rails Database & Data Migrations
Playbooks for Paperclip to Active Storage, Carrierwave to Shrine, Mongoid to PostgreSQL, pglogical replication, concurrent index creation, and schema.rb to structure.sql transitions.
Migrating structure.sql in Complex Rails Apps
Leverage advanced database features. Learn how and why to transition from rails schema rb to structure sql migration in legacy systems.
Concurrent Index Creation in Large Rails Migrations
Prevent table locks and application crashes. A technical guide to concurrent index creation in large Rails migrations for legacy databases.
Using pglogical Replication for Rails Upgrades
Upgrade legacy PostgreSQL databases with zero downtime. A guide to pglogical replication for Rails upgrades using publisher/subscriber models.
Rails Zero Downtime Database Deployment Tactics
Execute safe migrations on legacy apps. Learn Rails zero downtime database deployment tactics using the expand and contract pattern.
Resolving Rails Active Storage Missing Attachments Migration
Fix orphan records and data consistency errors caused by a flawed Rails Active Storage missing attachments migration.
CarrierWave to Shrine Migration in Legacy Rails
Learn why and how to execute a CarrierWave to Shrine migration in Rails. Improve memory performance with Shrine plugins and direct uploads.
Safe Paperclip to Active Storage Migration Script
A secure script to migrate legacy Rails attachments from Paperclip to Active Storage without losing data or re-uploading to S3.