Stream Postgres WAL to Redis: Real-Time Read Models with pg2redis (opens in new tab)

Real-time data pipelines are becoming a normal part of application architecture. Product pages need fresh stock counts, order status screens need fast reads, dashboards need recent transactional state, and background services often need to react as soon as data changes. Postgres is usually the source of truth, but many applications still keep a second read model in Redis for low-latency access. The hard part is keeping Redis in sync without pushing cache update logic into every write path. Th...