Installing Graylog for production on packages, Docker or Kubernetes, with Data Node, MongoDB and load balancing set up the way Graylog documents.
Installing Graylog with the official Helm chart: the MongoDB operator or an external MongoDB, Data Node storage classes, the EKS provider option, exposing inputs and what to size before going live.
Taking a Graylog Docker Compose stack beyond a test install: persistent volumes for Graylog, Data Node and MongoDB, secrets, published input ports, resource limits and upgrade handling.
Installing Data Node as the managed OpenSearch backend: the preflight step, choosing the Graylog CA or your own certificates, renewing certificates and separating Data Nodes from Graylog servers.
Running MongoDB for Graylog reliably: replica set setup on the leader, authentication, the versions Graylog 7 supports, backups and keeping MongoDB on the same nodes as Graylog or separate.
Putting a load balancer in front of Graylog: http_external_uri, health checks, TCP and UDP inputs across nodes, global versus local inputs, and inputs such as IPFIX that should not be spread across nodes.
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