Springboot application cannot connect to zeebe when starting everything from docker compose

[ksushant881]

Error: Connection refused: /0.0.0.0:26500 when connecting spring boot starter to Zeebe docker compose simple monitor

If you run everything in docker, you should use docker-compose to bring everything up, and then you get container resolution via DNS by service name. Otherwise, if you bring up your Springboot application in its own container, it will be trying to connect with itself on 0.0.0.0, whereas you want it connecting to the container that is running the Zeebe Gateway:

This post recommends to use container name when using docker compose