compose.yaml

# ============================================================================ #
#                  Read-Write Mode - Metrics
# ============================================================================ #

# Note: 
# include is available in Docker Compose version 2.20 and later, and Docker Desktop version 4.22 and later.
include:
  - path: ../../common/compose-include/minio.yaml
  - path: ../../common/compose-include/memcached.yaml
  - path: ../../common/compose-include/grafana.yaml
  - path: ../../common/compose-include/alloy.yaml

# Configure a check that's run to determine whether or not containers for this service are "healthy".
# docs: https://docs.docker.com/compose/compose-file/compose-file-v3/#healthcheck
x-healthcheck: &status-healthcheck
  interval: 5s
  timeout: 2s
  retries: 10

configs:
  alloy_config_file:
    file: ../../common/config/alloy/metrics.alloy
  mimir_config_file:
    file: ../../common/config/mimir/read-write-mode-metrics.yaml

services:
  gateway:
    # https://github.com/qclaogui/codelab-monitoring/blob/main/alloy-modules/compose/README.md
    labels:
      metrics.grafana.com/scrape: false
    depends_on: { mimir-write: { condition: service_healthy }, mimir-backend: { condition: service_healthy } }
    image: ${NGINX_IMAGE:-docker.io/nginxinc/nginx-unprivileged:1.27-alpine}
    volumes:
      - ../../common/config/nginx/10-default-lgtmp.envsh:/docker-entrypoint.d/10-default-lgtmp.envsh
      - ../../common/config/nginx/nginx.conf:/etc/nginx/templates/nginx.conf.template
      - ../../common/config/mimir/gateway_mimir.conf:/etc/nginx/templates/gateway_mimir.conf.template
    environment:
      - MIMIR_DISTRIBUTOR_HOST=mimir-write
      - MIMIR_QUERY_FRONTEND_HOST=mimir-read
      - MIMIR_ALERT_MANAGER_HOST=mimir-backend
      - MIMIR_RULER_HOST=mimir-backend
      - MIMIR_COMPACTOR_HOST=mimir-backend
    healthcheck:
      test: [ "CMD", "/usr/bin/wget", "--no-verbose", "--tries=1", "--spider", "http://localhost:8080/" ]
      interval: 3s
      timeout: 1s
      retries: 20
    ports:
      - "38080:8080"

  mimir-backend:
    depends_on: { minio: { condition: service_healthy } }
    image: &mimirImage ${MIMIR_IMAGE:-docker.io/grafana/mimir-alpine:2.14.0}
    configs:
      - source: mimir_config_file
        target: /etc/mimir/config.yaml
    volumes:
      - ../../common/config/mimir:/etc/mimir/configs
    command:
      - -config.file=/etc/mimir/config.yaml
      - -target=backend
      - -config.expand-env=true
    healthcheck:
      test: [ "CMD", "/usr/bin/wget", "--no-verbose", "--tries=1", "--spider", "http://localhost:8080/ready" ]
      <<: *status-healthcheck
    deploy:
      replicas: 2

  mimir-read:
    depends_on: { minio: { condition: service_healthy } }
    image: *mimirImage
    configs:
      - source: mimir_config_file
        target: /etc/mimir/config.yaml
    volumes:
      - ../../common/config/mimir:/etc/mimir/configs
    command:
      - -config.file=/etc/mimir/config.yaml
      - -target=read
      - -config.expand-env=true
    deploy:
      replicas: 2


  mimir-write:
    depends_on: { minio: { condition: service_healthy } }
    image: *mimirImage
    configs:
      - source: mimir_config_file
        target: /etc/mimir/config.yaml
    volumes:
      - ../../common/config/mimir:/etc/mimir/configs
    command:
      - -config.file=/etc/mimir/config.yaml
      - -target=write
      - -config.expand-env=true
    healthcheck:
      test: [ "CMD", "/usr/bin/wget", "--no-verbose", "--tries=1", "--spider", "http://localhost:8080/ready" ]
      <<: *status-healthcheck
    deploy:
      replicas: 3
    networks:
      default:
        aliases:
          - mimir-memberlist

  mimirtool:
    labels:
      metrics.grafana.com/scrape: false
    image: ${MIMIRTOOL_IMAGE:-docker.io/grafana/mimirtool:2.14.0}
    volumes:
      - ../../../monitoring-mixins/crontab:/etc/crontabs/root
      - ../../../monitoring-mixins/alloy-mixin/deploy/alloy-mixin-alerts.yaml:/rules/alloy-mixin-alerts.yaml
      - ../../../monitoring-mixins/memcached-mixin/deploy/memcached-mixin-alerts.yaml:/rules/memcached-mixin-alerts.yaml
      - ../../../monitoring-mixins/mimir-mixin/deploy/mimir-mixin-rules.yaml:/rules/mimir-mixin-rules.yaml
      - ../../../monitoring-mixins/mimir-mixin/deploy/mimir-mixin-alerts.yaml:/rules/mimir-mixin-alerts.yaml
    environment:
      - MIMIR_ADDRESS=http://gateway:8080
      - MIMIR_TENANT_ID=anonymous
    entrypoint: crond -f
    restart: always