Ⅲ camunda8 本地环境部署

camunda8 主要分saas版本和本地版本。saas 有30天的试用期。这里我们主要是本地环境部署。
根据官网指引，我们使用docker部署。

https://github.com/camunda/camunda-platform/blob/8.0.0/docker-compose-core.yaml

services:

  zeebe: # https://docs.camunda.io/docs/self-managed/platform-deployment/docker/#zeebe
    image: camunda/zeebe:${CAMUNDA_PLATFORM_VERSION:-8.0.0}
    container_name: zeebe
    ports:
      - "26500:26500"
      - "9600:9600"
    environment: # https://docs.camunda.io/docs/self-managed/zeebe-deployment/configuration/environment-variables/
      - ZEEBE_BROKER_EXPORTERS_ELASTICSEARCH_CLASSNAME=io.camunda.zeebe.exporter.ElasticsearchExporter
      - ZEEBE_BROKER_EXPORTERS_ELASTICSEARCH_ARGS_URL=http://elasticsearch:9200
      - ZEEBE_BROKER_EXPORTERS_ELASTICSEARCH_ARGS_BULK_SIZE=1
      # allow running with low disk space
      - ZEEBE_BROKER_DATA_DISKUSAGECOMMANDWATERMARK=0.998
      - ZEEBE_BROKER_DATA_DISKUSAGEREPLICATIONWATERMARK=0.999
      - "JAVA_TOOL_OPTIONS=-Xms512m -Xmx512m"
    restart: always
    volumes:
      - zeebe:/usr/local/zeebe/data
    networks:
      - camunda-platform
    depends_on:
      - elasticsearch

  operate: # https://docs.camunda.io/docs/self-managed/platform-deployment/docker/#operate
    image: camunda/operate:${CAMUNDA_PLATFORM_VERSION:-8.0.0}
    container_name: operate
    ports:
      - "8081:8080"
    environment: # https://docs.camunda.io/docs/self-managed/operate-deployment/configuration/
      - CAMUNDA_OPERATE_ZEEBE_GATEWAYADDRESS=zeebe:26500
      - CAMUNDA_OPERATE_ELASTICSEARCH_URL=http://elasticsearch:9200
      - CAMUNDA_OPERATE_ZEEBEELASTICSEARCH_URL=http://elasticsearch:9200
    networks:
      - camunda-platform
    depends_on:
      - zeebe
      - elasticsearch

  tasklist: # https://docs.camunda.io/docs/self-managed/platform-deployment/docker/#tasklist
    image: camunda/tasklist:${CAMUNDA_PLATFORM_VERSION:-8.0.0}
    container_name: tasklist
    ports:
      - "8082:8080"
    environment: # https://docs.camunda.io/docs/self-managed/tasklist-deployment/configuration/
      - CAMUNDA_TASKLIST_ZEEBE_GATEWAYADDRESS=zeebe:26500
      - CAMUNDA_TASKLIST_ELASTICSEARCH_URL=http://elasticsearch:9200
      - CAMUNDA_TASKLIST_ZEEBEELASTICSEARCH_URL=http://elasticsearch:9200
    networks:
      - camunda-platform
    depends_on:
      - zeebe
      - elasticsearch

  elasticsearch: # https://hub.docker.com/_/elasticsearch
    image: docker.elastic.co/elasticsearch/elasticsearch:${ELASTIC_VERSION:-7.17.0}
    container_name: elasticsearch
    ports:
      - "9200:9200"
      - "9300:9300"
    environment:
      - bootstrap.memory_lock=true
      - discovery.type=single-node
      # allow running with low disk space
      - cluster.routing.allocation.disk.threshold_enabled=false
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    restart: always
    healthcheck:
      test: [ "CMD-SHELL", "curl -f http://localhost:9200/_cat/health | grep -q green" ]
      interval: 30s
      timeout: 5s
      retries: 3
    volumes:
      - elastic:/usr/share/elasticsearch/data
    networks:
      - camunda-platform

volumes:
  zeebe:
  elastic:

networks:
  camunda-platform:

从compose文件可以看出有如下几个模块