Change from Elasticsearch to opensearch: Node ID problem

[schneich (Chris)]

Hi @gsmith,

thank you for your feedback. Yes, this was one of my errors.

• It started with Graylog not being able to reach Opensearch.
• Then, I realized that my graylog.conf was missing.
• Then, the environment variable for the node-id file did not work.
• In between, I had several issues with folder access permissions.
  …

Here is a brief summary of my findings and a working solution.

How to run Graylog 6, MongoDB and Opensearch in a Docker Stack

Dear community, I have spend the last two nights and a great part of today to figure out, how to run Graylog 6 in a Docker environment. The official Graylog documentation was partly helpful, partly misleading. I will summarize my findings here. Hopefully, this will benefit others as well. Background I usually run my docker container in different docker networks to separate them from each other. (-> increase security) My containers have a public facing network (-> macvlan), others have only an…

Please allow me a followup question: is there a guide on how to migrate from Elasticsearch to Opensearch? And MongoDB 5 to MongoDB 6?