ADR-0110: OpenSearch instead of Loki

• Status: accepted
• Date: 2026-10-30
• French version: ../ADR-0110-opensearch.md

Context

Loki is AGPL-3.0-only.

Decision

Logs and SIEM go to OpenSearch (Apache-2.0); Loki carries replacement: opensearch.

Consequences

Removed from the ApplicationSet and compose.

Evidence

• catalog/components/loki.yaml
• catalog/components/opensearch.yaml
• deploy/observability/opensearch