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Infrastructure prerequisites

Before installing the FlowX.AI Engine, verify that the following infrastructure components are installed and configured:
  • Kafka
  • Elasticsearch
  • PostgreSQL
  • MongoDB

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Dependencies

The FlowX Engine requires the following components: For a microservices architecture, services typically manage their data via dedicated databases.

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Required external services

  • Redis Cluster: Caches process definitions, compiled scripts, and Kafka responses
  • Kafka Cluster: Enables communication with external plugins and integrations

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Configuration setup

FlowX.AI Engine uses environment variables for configuration. This section covers key configuration areas:

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Database configuration

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PostgreSQL

Environment variableDescription
SPRING_DATASOURCE_URLDatabase URL for PostgreSQL
SPRING_DATASOURCE_USERNAMEUsername for PostgreSQL
SPRING_DATASOURCE_PASSWORDPassword for PostgreSQL
SPRING_DATASOURCE_DRIVERCLASSNAMEDriver class for PostgreSQL

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MongoDB configuration

Configure connection to the Runtime MongoDB instance:
Environment variableDescriptionDefault value
SPRING_DATA_MONGODB_RUNTIME_URIURI for connecting to MongoDBFormat: mongodb://${RUNTIME_DB_USERNAME}:${DB_PASSWORD}@<host1>,<host2>,<arbiter-host>:<port>/${DB_NAME}?retryWrites=false
RUNTIME_DB_USERNAMEMongoDB usernameapp-runtime
DB_NAMEMongoDB database nameapp-runtime

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Configuration parameters

There are two types of Config Params that can be read from the environment: variables and secrets. There is one provider for variables and secrets extracted from the environment variables, and two providers for the ones extracted from Kubernetes. By default, the variables and secrets are extracted from environment variables (env provider).

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Configuration parameters from environment variables (default)

The env provider used for variables and secrets extracts them from environment variables. For security reasons, the env provider uses an allow list regex which defaults to FLOWX_CONFIGPARAM_.*. This means only environment variables that match this naming pattern can be read at runtime into configuration params (either as variables or secrets). Feel free to edit it to match the environment variables that you use in your deployment.
Environment variableDescriptionDefault value
FLOWX_CONFIGPARAMS_VARS_PROVIDERProvider type for variablesenv
FLOWX_CONFIGPARAMS_VARS_ALLOWLISTREGEXRegular expression to match allowed env variables for variablesFLOWX_CONFIGPARAM_.*
FLOWX_CONFIGPARAMS_SECRETS_PROVIDERProvider type for secretsenv
FLOWX_CONFIGPARAMS_SECRETS_ALLOWLISTREGEXRegular expression to match allowed env variables for secretsFLOWX_CONFIGPARAM_.*

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Configuration parameters from Kubernetes Secrets and ConfigMaps

Use the following configuration to read Config Params from Kubernetes Secrets and ConfigMaps:
Environment variableDescriptionValues
FLOWX_CONFIGPARAMS_VARS_PROVIDERProvider type for variablesk8s-configmaps
FLOWX_CONFIGPARAMS_SECRETS_PROVIDERProvider type for secretsk8s-secrets
These providers can be configured as follows:
Environment variableDescriptionValues
FLOWX_CONFIGPARAMS_PROVIDERS_K8SCONFIGMAPS_CONFIGMAPSLIST_0_Name of the ConfigMap to use for variablesflowx-configparams
FLOWX_CONFIGPARAMS_PROVIDERS_K8SSECRETS_SECRETSLIST_0_Name of the Secret to use for secretsflowx-configparams
You can configure multiple secrets and ConfigMaps by incrementing the index number (e.g., FLOWX_CONFIGPARAMS_PROVIDERS_K8SSECRETS_SECRETSLIST_1, FLOWX_CONFIGPARAMS_PROVIDERS_K8SCONFIGMAPS_CONFIGMAPSLIST_1). Values are overridden based on the order in which the maps are defined.The default provider is env, but there is a built-in allowlist with the regex pattern FLOWX_CONFIGPARAM_.*. This means only configuration parameters that match this naming pattern can be read at runtime, whether they are environment variables or secret variables.

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Configuring script engine

FlowX.AI Engine supports multiple scripting languages for business rules and actions.
You must also enable these environment variables on the AI Developer agent, if you have it set up.

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Python runtime configuration

By default, FlowX.AI 4.7.1 uses Python 2.7 (Jython) as the Python runtime. To enable Python 3 via GraalPy with its 3x performance improvements and JavaScript with GraalJS, you must explicitly set the feature toggle.
Environment variableDescriptionDefault valuePossible values
FLOWX_SCRIPTENGINE_USEGRAALVMDetermines which Python and JavaScript runtime to usefalsetrue, false
Python 2.7 support will be deprecated in FlowX.AI 5.0. We recommend migrating your Python scripts to Python 3 to take advantage of improved performance and modern language features.

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GraalVM cache configuration

When using GraalVM (FLOWX_SCRIPTENGINE_USEGRAALVM=true), ensure the engine has proper access to a cache directory within the container. By default, this is configured in the /tmp directory.
For environments with filesystem restrictions or custom configurations, you need to properly configure the GraalVM cache.
There are two methods to configure the GraalVM cache location:
Option 1: Using Java options (Preferred)
Add the following Java option to your deployment configuration: 
-Dpolyglot.engine.userResourceCache=/tmp
This option is set by default in the standard Docker image but might need to be included if you’re overriding the Java options.
Option 2: Using environment variables
Alternatively, set the following environment variable: 
XDG_CACHE_HOME=/tmp
If you encounter errors related to Python script execution when using GraalVM, verify that the cache directory is properly configured and accessible.
For more details about supported scripting languages and their capabilities, see the Supported scripts documentation.

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Authorization & access roles

This section covers OAuth2 configuration settings for securing the Spring application.

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Resource server settings (OAuth2 configuration)

The following configuration from versions before 4.1 will be deprecated in version 5.0:
  • SECURITY_OAUTH2_BASE_SERVER_URL: Base URL for the OAuth 2.0 Authorization Server
  • SECURITY_OAUTH2_CLIENT_CLIENT_ID: Client identifier registered with the OAuth 2.0 Authorization Server
  • SECURITY_OAUTH2_CLIENT_CLIENT_SECRET: Secret key for authenticating client requests
  • SECURITY_OAUTH2_REALM: Realm name used for OAuth2 authentication
Starting from version 4.1, use the following configuration instead. This setup is backwards compatible until version 4.5.
Environment variableDescriptionDefault value
SPRING_SECURITY_OAUTH2_RESOURCE_SERVER_OPAQUE_TOKEN_INTROSPECTION_URIURI for token introspection${security.oauth2.base-server-url}/realms/${security.oauth2.realm}/protocol/openid-connect/token/introspect
SPRING_SECURITY_OAUTH2_RESOURCE_SERVER_OPAQUE_TOKEN_CLIENT_IDClient ID for token introspection${security.oauth2.client.client-id}
SPRING_SECURITY_OAUTH2_RESOURCE_SERVER_OPAQUE_TOKEN_CLIENT_SECRETClient secret for token introspection${security.oauth2.client.client-secret}

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Service account settings

Configure the process engine service account:
Environment variableDescriptionDefault value
SECURITY_OAUTH2_SERVICE_ACCOUNT_ADMIN_CLIENT_IDClient ID for the service accountflowx-${SPRING_APPLICATION_NAME}-sa
SECURITY_OAUTH2_SERVICE_ACCOUNT_ADMIN_CLIENT_SECRETClient secret for the service account
For more information about the necessary service account, see Process Engine Service Account.

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Security configuration

Environment variableDescriptionDefault value
SECURITY_TYPEType of security mechanismoauth2
SECURITY_BASIC_ENABLEDEnable basic authenticationfalse
SECURITY_PUBLIC_PATHS_0Public path not requiring authentication/api/platform/components-versions
SECURITY_PUBLIC_PATHS_1Public path not requiring authentication/manage/actuator/health
SECURITY_PATH_AUTHORIZATIONS_0_PATHSecurity path pattern"/api/**"
SECURITY_PATH_AUTHORIZATIONS_0_ROLES_ALLOWEDRoles allowed for path access"ANY_AUTHENTICATED_USER"

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Configuring Kafka

Kafka handles all communication between the FlowX.AI Engine, external plugins, and integrations. It also notifies running process instances when certain events occur.

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Kafka connection settings

Environment variableDescriptionDefault value
SPRING_KAFKA_BOOTSTRAPSERVERSKafka bootstrap serverslocalhost:9092
SPRING_KAFKA_SECURITY_PROTOCOLSecurity protocol for Kafka"PLAINTEXT"

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Message routing configuration

Environment variableDescriptionDefault value
KAFKA_DEFAULTFXCONTEXTDefault context value for message routing when no context is provided"" (empty string)
When KAFKA_DEFAULTFXCONTEXT is set and an event is received on Kafka without an fxContext header, the system will automatically apply the default context value to the message.

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Kafka consumer retry settings

Environment variableDescriptionDefault value
KAFKA_AUTHEXCEPTIONRETRYINTERVALInterval between retries after AuthorizationException (seconds)10

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Consumer groups & consumer threads configuration

Both a producer and a consumer must be configured:

Configuring a Kafka Producer

Configuring a Kafka Consumer

About consumer groups and threads
A consumer group is a set of consumers that jointly consume messages from one or more Kafka topics. Each consumer group has a unique identifier (group ID) that Kafka uses to manage message distribution. Thread numbers refer to the number of threads a consumer application uses to process messages. Increasing thread count can improve parallelism and efficiency, especially with high message volumes.
Consumer group configuration
Environment variableDescriptionDefault value
KAFKA_CONSUMER_GROUPID_NOTIFYADVANCEGroup ID for notifying advance actionsnotif123-preview
KAFKA_CONSUMER_GROUPID_NOTIFYPARENTGroup ID for notifying when a subprocess is blockednotif123-preview
KAFKA_CONSUMER_GROUPID_ADAPTERSGroup ID for messages related to adaptersnotif123-preview
KAFKA_CONSUMER_GROUPID_SCHEDULERRUNACTIONGroup ID for running scheduled actionsnotif123-preview
KAFKA_CONSUMER_GROUPID_SCHEDULERADVANCINGGroup ID for messages indicating continuing advancementnotif123-preview
KAFKA_CONSUMER_GROUPID_MESSAGEEVENTSGroup ID for message eventsnotif123-preview
KAFKA_CONSUMER_GROUPID_PROCESS_STARTGroup ID for starting processesnotif123-preview
KAFKA_CONSUMER_GROUPID_PROCESS_STARTFOREVENTGroup ID for starting processes for an eventnotif123-preview
KAFKA_CONSUMER_GROUPID_PROCESS_EXPIREGroup ID for expiring processesnotif123-preview
KAFKA_CONSUMER_GROUPID_PROCESS_OPERATIONSGroup ID for processing operations from Task Management pluginnotif123-preview
KAFKA_CONSUMER_GROUPID_PROCESS_BATCHPROCESSINGGroup ID for processing bulk operations from Task Management pluginnotif123-preview
Consumer thread configuration
Environment variableDescriptionDefault value
KAFKA_CONSUMER_THREADS_NOTIFYADVANCENumber of threads for notifying advance actions6
KAFKA_CONSUMER_THREADS_NOTIFYPARENTNumber of threads for notifying when a subprocess is blocked6
KAFKA_CONSUMER_THREADS_ADAPTERSNumber of threads for processing messages related to adapters6
KAFKA_CONSUMER_THREADS_SCHEDULERADVANCINGNumber of threads for continuing advancement6
KAFKA_CONSUMER_THREADS_SCHEDULERRUNACTIONNumber of threads for running scheduled actions6
KAFKA_CONSUMER_THREADS_MESSAGEEVENTSNumber of threads for message events6
KAFKA_CONSUMER_THREADS_PROCESS_STARTNumber of threads for starting processes6
KAFKA_CONSUMER_THREADS_PROCESS_STARTFOREVENTNumber of threads for starting processes for an event2
KAFKA_CONSUMER_THREADS_PROCESS_EXPIRENumber of threads for expiring processes6
KAFKA_CONSUMER_THREADS_PROCESS_OPERATIONSNumber of threads for processing operations from task management6
KAFKA_CONSUMER_THREADS_PROCESS_BATCHPROCESSINGNumber of threads for processing bulk operations from task management6
All events that start with a configured pattern will be consumed by the Engine. This enables you to create new integrations and connect them to the engine without changing the configuration.

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Configuring Kafka topics

Recommended topic naming convention:
  • KAFKA_TOPIC_NAMING_PACKAGE: ai.flowx.dev
  • KAFKA_TOPIC_NAMING_ENVIRONMENT: dev
  • KAFKA_TOPIC_NAMING_VERSION: v1
  • KAFKA_TOPIC_NAMING_SEPARATOR: .
  • KAFKA_TOPIC_NAMING_SEPARATOR2: -
  • KAFKA_TOPIC_NAMING_PREFIX: ${KAFKA_TOPIC_NAMING_PACKAGE}${KAFKA_TOPIC_NAMING_ENVIRONMENT}
  • KAFKA_TOPIC_NAMING_SUFFIX: ${KAFKA_TOPIC_NAMING_VERSION}
  • KAFKA_TOPIC_NAMING_ENGINERECEIVEPATTERN: engine.receive.
  • KAFKA_TOPIC_NAMING_INTEGRATIONRECEIVEPATTERN: integration.receive.
  • KAFKA_TOPIC_PATTERN: ${KAFKA_TOPIC_NAMING_PREFIX}${KAFKA_TOPIC_NAMING_ENGINERECEIVEPATTERN}*
  • KAFKA_TOPIC_INTEGRATIONPATTERN: ${KAFKA_TOPIC_NAMING_PREFIX}${KAFKA_TOPIC_NAMING_INTEGRATIONRECEIVEPATTERN}*
Core engine topics
Environment variableDescriptionDefault value
KAFKA_TOPIC_PROCESS_NOTIFY_ADVANCETopic used internally for advancing processesai.flowx.dev.core.notify.advance.process.v1
KAFKA_TOPIC_PROCESS_NOTIFY_PARENTTopic used for sub-processes to notify the parent processai.flowx.dev.core.notify.parent.process.v1
KAFKA_TOPIC_PATTERNPattern the Engine listens on for incoming eventsai.flowx.dev.engine.receive.*
KAFKA_TOPIC_PROCESS_EVENT_MESSAGETopic for process message eventsai.flowx.dev.core.message.event.process.v1
Topics related to the Task Management plugin
Environment variableDescriptionDefault value
KAFKA_TOPIC_TASK_OUTTopic used for sending notifications to the pluginai.flowx.dev.plugin.tasks.trigger.save.task.v1
KAFKA_TOPIC_PROCESS_OPERATIONS_INTopic for receiving information about operations performedai.flowx.dev.core.trigger.operations.v1
KAFKA_TOPIC_PROCESS_OPERATIONS_BULKINTopic where operations can be performed in bulkai.flowx.core.trigger.operations.bulk.v1
OPERATIONS_IN request example
{
  "operationType": "UNASSIGN", //type of operation performed in Task Management plugin
  "taskId": "some task id",
  "processInstanceUuid": "1cff0b7d-966b-4b35-9e9b-63b1d6757ec6",
  "swimlaneName": "Default",
  "swimlaneId": "51ec1241-fe06-4576-9c84-31598c05c527",
  "owner": {
    "firstName": null,
    "lastName": null,
    "username": "service-account-flowx-process-engine-account",
    "enabled": false
  },
  "author": "admin@flowx.ai"
}
BULK_IN request example
{
  "operations": [
    {
      "operationType": "HOLD",
      "taskId": "some task id",
      "processInstanceUuid": "d3aabfd8-d041-4c62-892f-22d17923b223", // the id of the process instance
      "swimlaneName": "Default", //name of the swimlane
      "owner": null,
      "author": "john.doe@flowx.ai"
    },
    {
      "operationType": "HOLD",
      "taskId": "some task id",
      "processInstanceUuid": "d3aabfd8-d041-4c62-892f-22d17923b223",
      "swimlaneName": "Default", //name of the swimlane
      "owner": null,
      "author": "john.doe@flowx.ai"
    }
  ]
}
To send additional keys in the response, attach them in the header. For example, you can use a requestID key.
A response should be sent on a callbackTopic if it is mentioned in the headers:
{"processInstanceId": ${processInstanceId}, "callbackTopic": "test.operations.out", "requestID":"1234567890"}
Task manager operations include: assignment, unassignment, hold, unhold, terminate. These are matched with the ...operations.out topic on the engine side. For more information, see the Task Management plugin documentation:📄 Task management plugin
Topics related to the scheduler extension
Environment variableDescriptionDefault value
KAFKA_TOPIC_PROCESS_EXPIRE_INTopic for requests to expire processesai.flowx.dev.core.trigger.expire.process.v1
KAFKA_TOPIC_PROCESS_SCHEDULE_OUT_SETTopic used for scheduling process expirationai.flowx.dev.core.trigger.set.schedule.v1
KAFKA_TOPIC_PROCESS_SCHEDULE_OUT_STOPTopic used for stopping process expirationai.flowx.dev.core.trigger.stop.schedule.v1
KAFKA_TOPIC_PROCESS_SCHEDULE_IN_RUN_ACTIONTopic for requests to run scheduled actionsai.flowx.dev.core.trigger.run.action.v1
KAFKA_TOPIC_PROCESS_SCHEDULE_IN_ADVANCETopic for events related to advancing through a databaseai.flowx.dev.core.trigger.advance.process.v1
Topics related to Timer Events
Environment variableDescriptionDefault value
KAFKA_TOPIC_PROCESS_SCHEDULEDTIMEREVENTS_OUT_SETUsed to communicate with Scheduler microserviceai.flowx.dev.core.trigger.set.timer-event-schedule.v1
KAFKA_TOPIC_PROCESS_SCHEDULEDTIMEREVENTS_OUT_STOPUsed to communicate with Scheduler microserviceai.flowx.dev.core.trigger.stop.timer-event-schedule.v1
Topics related to the Search Data service
Environment variableDescriptionDefault value
KAFKA_TOPIC_DATA_SEARCH_INTopic that the Engine listens on for search requestsai.flowx.dev.core.trigger.search.data.v1
KAFKA_TOPIC_DATA_SEARCH_OUTTopic used by the Engine to reply after finding a processai.flowx.dev.engine.receive.core.search.data.results.v1
Topics related to the Audit service
Environment variableDescriptionDefault value
KAFKA_TOPIC_AUDIT_OUTTopic for sending audit logsai.flowx.dev.core.trigger.save.audit.v1
Topics related to ES indexing
Environment variableDefault value
KAFKA_TOPIC_PROCESS_INDEX_OUTai.flowx.dev.core.index.process.v1
Processes that can be started by sending messages to a Kafka topic
Environment variableDescriptionDefault value
KAFKA_TOPIC_PROCESS_START_INTopic for requests to start a new process instanceai.flowx.dev.core.trigger.start.process.v1
KAFKA_TOPIC_PROCESS_START_OUTTopic for sending the reply after starting a new process instanceai.flowx.dev.core.confirm.start.process.v1
Topics related to Message Events
Environment variableDefault value
KAFKA_TOPIC_PROCESS_STARTFOREVENTai.flowx.dev.core.trigger.start-for-event.process.v1
Topics related to Events-gateway microservice
Environment variableDescriptionDefault value
KAFKA_TOPIC_EVENTSGATEWAY_OUT_MESSAGEOutgoing messages from process-engine to events-gatewayai.flowx.eventsgateway.engine.commands.message.v1
KAFKA_TOPIC_EVENTSGATEWAY_OUT_DISCONNECTDisconnect commands from process-engine to events-gatewayai.flowx.eventsgateway.engine.commands.disconnect.v1
KAFKA_TOPIC_EVENTSGATEWAY_OUT_CONNECTConnect commands from process-engine to events-gatewayai.flowx.eventsgateway.engine.commands.connect.v1
Topics related to platform components
Environment variableDescriptionDefault value
KAFKA_TOPIC_PLATFORM_COMPONENTS_VERSIONS_OUTTopic for platform version cachingai.flowx.dev.core.trigger.platform.versions.caching.v1
Inter-service topic coordination
When configuring FlowX services, ensure the following:
  1. The Engine’s pattern must match the pattern used by services sending messages to the Engine
  2. The integrationPattern must match the pattern used by the Integration Designer
  3. Output topics from one service must match the expected input topics of another service
For example:
  • Services send to topics matching ai.flowx.dev.engine.receive.* → Engine listens
  • Engine sends to topics matching ai.flowx.dev.integration.receive.* → Integration Designer listens
Kafka message size configuration
Environment variableDescriptionDefault value
KAFKA_MESSAGE_MAX_BYTESMaximum message size in bytes52428800 (50MB)
This setting affects:
  • Producer message max bytes
  • Producer max request size
  • Consumer max partition fetch bytes
Kafka authentication
For secure environments, you can enable OAuth authentication with the following configuration: 
spring.config.activate.on-profile: kafka-auth

spring:
  kafka:
    security.protocol: "SASL_PLAINTEXT"
    properties:
      sasl:
        mechanism: "OAUTHBEARER"
        jaas.config: "org.apache.kafka.common.security.oauthbearer.OAuthBearerLoginModule required oauth.client.id=\"${KAFKA_OAUTH_CLIENT_ID:kafka}\" oauth.client.secret=\"${KAFKA_OAUTH_CLIENT_SECRET:kafka-secret}\"  oauth.token.endpoint.uri=\"${KAFKA_OAUTH_TOKEN_ENDPOINT_URI:kafka.auth.localhost}\" ;"
        login.callback.handler.class: io.strimzi.kafka.oauth.client.JaasClientOauthLoginCallbackHandler
You need to set the following environment variables:
  • KAFKA_OAUTH_CLIENT_ID
  • KAFKA_OAUTH_CLIENT_SECRET
  • KAFKA_OAUTH_TOKEN_ENDPOINT_URI

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Configuring Elasticsearch connection

The Process Engine uses Elasticsearch for process instance indexing and search capabilities. Configure the connection using these environment variables:
VariableDescriptionDefault ValueExample
SPRING_ELASTICSEARCH_REST_PROTOCOLConnection protocolhttpshttps
SPRING_ELASTICSEARCH_REST_URISURL(s) of Elasticsearch nodes (no protocol)-elasticsearch:9200
SPRING_ELASTICSEARCH_REST_DISABLESSLDisable SSL verificationfalsefalse
SPRING_ELASTICSEARCH_REST_USERNAMEAuthentication username-elastic
SPRING_ELASTICSEARCH_REST_PASSWORDAuthentication password-your-secure-password
For indexing setup, check the Configuring Elasticsearch indexing section.

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Configuring file upload size

Environment variableDescriptionDefault value
SPRING_SERVLET_MULTIPART_MAXFILESIZEMaximum file size allowed for uploads50MB
SPRING_SERVLET_MULTIPART_MAXREQUESTSIZEMaximum request size allowed for uploads50MB

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Connecting the Advancing controller

To use the advancing controller, configure the following variables:
Environment variableDescription
ADVANCING_DATASOURCE_JDBC_URLConnection URL for Advancing Postgres DB
ADVANCING_DATASOURCE_USERNAMEUsername for Advancing DB connection
ADVANCING_DATASOURCE_PASSWORDPassword for Advancing DB connection

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Configuring advancing controller

Environment variableDescriptionDefault value
ADVANCING_TYPEType of advancing mechanismPARALLEL (alternatives: KAFKA, PARALLEL)
ADVANCING_THREADSNumber of parallel threads20
ADVANCING_PICKINGBATCHSIZENumber of tasks to pick in each batch10
ADVANCING_PICKINGPAUSEMILLISPause duration between batches (ms)100
ADVANCING_COOLDOWNAFTERSECONDSCooldown period after processing a batch (seconds)120
ADVANCING_SCHEDULER_HEARTBEAT_CRONEXPRESSIONCron expression for the heartbeat"*/2 * * * * ?"

Advancing controller setup

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Configuring cleanup mechanism

Environment variableDescriptionDefault value
SCHEDULER_THREADSNumber of threads for the scheduler10
SCHEDULER_PROCESSCLEANUP_ENABLEDActivates the cron job for process cleanupfalse
SCHEDULER_PROCESSCLEANUP_CRONEXPRESSIONCron expression for the process cleanup scheduler0 */5 0-5 * * ? (every 5 minutes between 12 AM and 5 AM)
SCHEDULER_PROCESSCLEANUP_BATCHSIZENumber of processes to clean up in one batch1000
SCHEDULER_MASTERELECTION_CRONEXPRESSIONCron expression for the master election process30 */3 * * * ? (every 3 minutes)

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Managing subprocesses expiration

Environment variableDescriptionDefault value
FLOWX_PROCESS_EXPIRESUBPROCESSESWhen true, terminates all subprocesses upon parent process expiration. When false, subprocesses follow their individual expiration settingstrue

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Configuring application management

The following configuration from versions before 4.1 will be deprecated in version 5.0:
  • MANAGEMENT_METRICS_EXPORT_PROMETHEUS_ENABLED: Enables or disables Prometheus metrics export.
Starting from version 4.1, use the following configuration instead. This setup is backwards compatible until version 5.0.
Environment variableDescriptionDefault value
MANAGEMENT_PROMETHEUS_METRICS_EXPORT_ENABLEDEnables Prometheus metrics exportfalse

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RBAC configuration

Process Engine requires specific RBAC permissions for proper access to Kubernetes resources: 
rbac:
  create: true
  rules:
    - apiGroups:
        - ""
      resources:
        - secrets
        - configmaps
        - pods
      verbs:
        - get
        - list
        - watch