docker-compose.yml

version: "3.9"

services:
  mimir:
    image: grafana/mimir:2.6.0
    networks:
      - prometheus
    volumes:
      - tsdb:/tsdb:rw
    command:
      - '--config.file=/etc/mimir/config.yml'
      - '--config.expand-env'
      # the stack name is "monitoring"
      - '--memberlist.join=dns+tasks.monitoring_mimir:7946'
    configs:
      - source: mimir
        target: /etc/mimir/config.yml
        mode: 0644
    ports:
    - target: 9009
      published: 9009
      protocol: tcp
    deploy:
      mode: replicated
      replicas: 2
      # neither vip nor dnsrr works, the dns query works in both cases just fine anyway
      endpoint_mode: vip

networks:
  prometheus:
    name: prometheus
    # I tried this with both replication over multiple physical hosts and replication on that single machine, neither works
    # driver: overlay
    attachable: true

mimir.yml

multitenancy_enabled: false

common:
  storage:
    backend: s3
    s3:
      endpoint: my-domain.com
      secret_access_key: key
      access_key_id: key
 
blocks_storage:
  storage_prefix: blocks
  s3:
    bucket_name: prometheus
 
alertmanager_storage:
  storage_prefix: alertmanager
  s3:
    bucket_name: prometheus
 
ruler_storage:
  storage_prefix: ruler
  s3:
    bucket_name: prometheus
      
compactor:
  data_dir: /tmp/mimir/compactor
  sharding_ring:
    instance_addr: 127.0.0.1
    kvstore:
      store: memberlist
 
distributor:
  ring:
    instance_addr: 127.0.0.1
    kvstore:
      store: memberlist
 
ingester:
  ring:
    instance_addr: 127.0.0.1
    kvstore:
      store: memberlist
    replication_factor: 2
 
server:
  http_listen_port: 9009
  log_level: info
 
store_gateway:
  sharding_ring:
    instance_addr: 127.0.0.1
    replication_factor: 2
    
memberlist:
  max_join_backoff: 1m
  max_join_retries: 5
  min_join_backoff: 1s

frontend:
  parallelize_shardable_queries: true