docker-compose.camunda8.yaml

services:
  zeebe: # https://docs.camunda.io/docs/self-managed/platform-deployment/docker/#zeebe
    image: camunda/zeebe:${CAMUNDA8_PLATFORM_VERSION}
    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
      # default is 1000, see here: https://github.com/camunda/zeebe/blob/main/exporters/elasticsearch-exporter/src/main/java/io/camunda/zeebe/exporter/ElasticsearchExporterConfiguration.java#L259
      - 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: unless-stopped
    healthcheck:
      test:
        [
          "CMD-SHELL",
          "timeout 10s bash -c ':> /dev/tcp/127.0.0.1/9600' || exit 1",
        ]
      interval: 30s
      timeout: 5s
      retries: 5
      start_period: 30s
    volumes:
      - zeebe:/usr/local/zeebe/data
    depends_on:
      - elasticsearch

  operate: # https://docs.camunda.io/docs/self-managed/platform-deployment/docker/#operate
    image: camunda/operate:${CAMUNDA8_PLATFORM_VERSION}
    container_name: operate
    ports:
      - "8281:8080"
    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
      - management.endpoints.web.exposure.include=health
      - management.endpoint.health.probes.enabled=true
    healthcheck:
      test:
        [
          "CMD-SHELL",
          "wget -O - -q 'http://localhost:8080/actuator/health/readiness'",
        ]
      interval: 30s
      timeout: 1s
      retries: 5
      start_period: 30s
    depends_on:
      - zeebe
      - elasticsearch

  tasklist: # https://docs.camunda.io/docs/self-managed/platform-deployment/docker/#tasklist
    image: camunda/tasklist:${CAMUNDA8_PLATFORM_VERSION}
    container_name: tasklist
    ports:
      - "8182:8080"
    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
      - management.endpoints.web.exposure.include=health
      - management.endpoint.health.probes.enabled=true
    healthcheck:
      test:
        [
          "CMD-SHELL",
          "wget -O - -q 'http://localhost:8080/actuator/health/readiness'",
        ]
      interval: 30s
      timeout: 1s
      retries: 5
      start_period: 30s
    depends_on:
      - zeebe
      - elasticsearch

  connectors: # https://docs.camunda.io/docs/components/integration-framework/connectors/out-of-the-box-connectors/available-connectors-overview/
    image: camunda/connectors-bundle:${CAMUNDA8_CONNECTORS_VERSION}
    container_name: connectors
    ports:
      - "8185:8080"
    environment:
      - ZEEBE_CLIENT_BROKER_GATEWAY-ADDRESS=zeebe:26500
      - ZEEBE_CLIENT_SECURITY_PLAINTEXT=true
      - CAMUNDA_OPERATE_CLIENT_URL=http://operate:8080
      - CAMUNDA_OPERATE_CLIENT_USERNAME=demo
      - CAMUNDA_OPERATE_CLIENT_PASSWORD=demo
      - management.endpoints.web.exposure.include=health
      - management.endpoint.health.probes.enabled=true
    healthcheck:
      test:
        ["CMD-SHELL", "curl -f http://localhost:8080/actuator/health/readiness"]
      interval: 30s
      timeout: 1s
      retries: 5
      start_period: 30s
    depends_on:
      - zeebe
      - operate

  elasticsearch: # https://hub.docker.com/_/elasticsearch
    image: docker.elastic.co/elasticsearch/elasticsearch:${CAMUNDA8_ELASTIC_VERSION}
    container_name: elasticsearch
    ports:
      - "9200:9200"
      - "9300:9300"
    environment:
      - bootstrap.memory_lock=true
      - discovery.type=single-node
      - xpack.security.enabled=false
      # 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: unless-stopped
    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

  kibana:
    image: docker.elastic.co/kibana/kibana:${CAMUNDA8_ELASTIC_VERSION}
    container_name: kibana
    ports:
      - 5601:5601
    volumes:
      - kibana:/usr/share/kibana/data
    depends_on:
      - elasticsearch
    profiles:
      - kibana

  case-engine-rest-api:
    build:
      context: apps/java/services/case-engine-rest-api
    ports:
      - 8081:8081
    links:
      - mongodb
      - zeebe
      - operate
      - tasklist
    environment:
      - MONGO_DATABASE=${MONGO_WKS_DATABASE}
      - MONGO_CONN=${MONGO_CONNECTION_URL}
      - KEYCLOAK_URL=${KEYCLOAK_URL}
      - OPA_URL=${OPA_URL}
      - CAMUNDA_VERSION=camunda8
      - CAMUNDA8_ZEEBE_GATEWAY_ADDRESS=${CAMUNDA8_ZEEBE_GATEWAY_ADDRESS}
      - CAMUNDA8_OPERATE_URL=${CAMUNDA8_OPERATE_URL}
      - CAMUNDA8_OPERATE_USERNAME=${CAMUNDA8_OPERATE_USERNAME}
      - CAMUNDA8_OPERATE_PASSWORD=${CAMUNDA8_OPERATE_PASSWORD}
      - CAMUNDA8_TASKLIST_URL=${CAMUNDA8_TASKLIST_URL}
      - CAMUNDA8_TASKLIST_USERNAME=${CAMUNDA8_TASKLIST_USERNAME}
      - CAMUNDA8_TASKLIST_PASSWORD=${CAMUNDA8_TASKLIST_PASSWORD}
    depends_on:
      mongodb:
        condition: service_healthy
      zeebe:
        condition: service_healthy
      operate:
        condition: service_healthy
      tasklist:
        condition: service_healthy

  c8-external-tasks:
    build:
      context: apps/java/services/c8-external-tasks
    links:
      - zeebe
      - case-engine-rest-api
    environment:
      - CAMUNDA8_ZEEBE_GATEWAY_ADDRESS=${CAMUNDA8_ZEEBE_GATEWAY_ADDRESS}
      - KEYCLOAK_URL=${KEYCLOAK_TOKEN_URL}
      - WKS_CASE_API_URL=${WKS_CASE_API_URL}
      - WEBSOCKET_ENABLED=${WEBSOCKET_ENABLED}
    depends_on:
      zeebe:
        condition: service_healthy

volumes:
  zeebe:
  elastic:
  kibana: