Rancher is a powerful Kubernetes management platform that simplifies container orchestration. After setting up Rancher, here are the key features you should absolutely try to experience its full power and usefulness.
Today, we faced a classic example of the hidden complexity in Dokku's networking model. What seemed like a simple task - connecting a NestJS application to Redis - turned into an adventure through container networking, DNS resolution, and service discovery.
Our Mercury Bot service needed to communicate with both Redis and ChromaDB on the same network. Simple, right? Not quite. The initial setup led to DNS resolution errors:
Error: getaddrinfo EAI_AGAIN dokku-redis-mercury
This cryptic error message was just the beginning of our journey into Dokku's networking internals.