docker-compose/loki/docker-compose.yml.j2

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+# https://github.com/DoTheEvo/selfhosted-apps-docker/tree/master/prometheus_grafana_loki#Loki
+services:
+  loki:
+    image: grafana/loki:v3.2.0
+    container_name: loki
+    restart: always
+    volumes:
+      - data:/loki
+      - ./loki-config.yml:/etc/loki-config.yml
+    command:
+      - '-config.file=/etc/loki-config.yml'
+    ports:
+      - "3100:3100"
+#    labels:
+#      org.label-schema.group: "monitoring"
+
+######## Networks ########
+networks:
+  loki:
+
+######## Volumes ########
+volumes:
+  data:

docker-compose/loki/loki-config.yml.j2

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+# https://github.com/DoTheEvo/selfhosted-apps-docker/tree/master/prometheus_grafana_loki#Loki
+
+auth_enabled: false
+
+server:
+  http_listen_port: 3100
+
+common:
+  instance_addr: 127.0.0.1
+  path_prefix: /loki
+  storage:
+    filesystem:
+      chunks_directory: /loki/chunks
+      rules_directory: /loki/rules
+  replication_factor: 1
+  ring:
+    kvstore:
+      store: inmemory
+
+# --- disable splitting to fix "too many outstanding requests"
+
+query_range:
+  parallelise_shardable_queries: false
+
+# ---  compactor to have control over length of data retention
+
+compactor:
+  working_directory: /loki/compactor
+  compaction_interval: 10m
+  retention_enabled: true
+  retention_delete_delay: 2h
+  retention_delete_worker_count: 150
+
+limits_config:
+  retention_period: 240h
+  split_queries_by_interval: 0  # part of disable splitting fix
+
+# -------------------------------------------------------
+
+schema_config:
+  configs:
+    - from: 2020-10-24
+      store: tsdb
+      object_store: filesystem
+      schema: v13
+      index:
+        prefix: index_
+        period: 24h
+
+# ruler:
+#   alertmanager_url: http://alertmanager:9093
+
+analytics:
+  reporting_enabled: false
+
+
+# TODO alertmanager