# Loki — single-binary, filesystem-backed, no auth (localhost-only; Alloy is the only writer).
# Tuned for an LXC: TSDB index, 15-day retention with the compactor enforcing deletes.
auth_enabled: false

server:
  http_listen_address: 127.0.0.1
  http_listen_port: 3100
  grpc_listen_port: 9096
  log_level: info

common:
  instance_addr: 127.0.0.1
  path_prefix: /var/lib/loki
  storage:
    filesystem:
      chunks_directory: /var/lib/loki/chunks
      rules_directory: /var/lib/loki/rules
  replication_factor: 1
  ring:
    kvstore:
      store: inmemory

schema_config:
  configs:
    - from: 2024-01-01
      store: tsdb
      object_store: filesystem
      schema: v13
      index:
        prefix: index_
        period: 24h

limits_config:
  retention_period: 360h          # 15 days
  reject_old_samples: true
  reject_old_samples_max_age: 168h
  # Required so OTLP resource/scope attributes (and trace_id/span_id) land as structured metadata.
  allow_structured_metadata: true
  volume_enabled: true

compactor:
  working_directory: /var/lib/loki/compactor
  compaction_interval: 10m
  retention_enabled: true
  retention_delete_delay: 2h
  delete_request_store: filesystem

query_range:
  results_cache:
    cache:
      embedded_cache:
        enabled: true
        max_size_mb: 100

ruler:
  storage:
    type: local
    local:
      directory: /var/lib/loki/rules