This page details environment variable changes required for the v5.4.0 to v5.5.0 upgrade. For the full migration context, see the Migration Overview.
Authentication variables (all affected services)
The following changes apply to 14 of 19 platform services as part of the authentication mechanism change from oauth2 to jwt-public-key.
Variables to remove
Remove these variables from your Helm values, environment configs, or deployment manifests:
# Opaque-token introspection (removed entirely)
SPRING_SECURITY_OAUTH2_RESOURCE_SERVER_OPAQUE_TOKEN_INTROSPECTION_URI: # REMOVE
SPRING_SECURITY_OAUTH2_RESOURCE_SERVER_OPAQUE_TOKEN_CLIENT_ID: # REMOVE
SPRING_SECURITY_OAUTH2_RESOURCE_SERVER_OPAQUE_TOKEN_CLIENT_SECRET: # REMOVE
# Legacy OAuth2 client variables
SECURITY_OAUTH2_REALM: # REMOVE
SECURITY_OAUTH2_CLIENT_CLIENT_ID: # REMOVE
SECURITY_OAUTH2_CLIENT_CLIENT_SECRET: # REMOVE
SECURITY_OAUTH2_SERVICE_ACCOUNT_ADMIN_CLIENT_ID: # REMOVE
SECURITY_OAUTH2_SERVICE_ACCOUNT_ADMIN_CLIENT_SECRET: # REMOVE
Variables to update
Before (v5.4)
After (v5.5)
SECURITY_TYPE: "oauth2"
# Service account client ID (example for admin service)
SPRING_SECURITY_OAUTH2_CLIENT_REGISTRATION_MAINIDENTITY_CLIENT_ID: "${security.oauth2.service-account.admin.client-id}"
SPRING_SECURITY_OAUTH2_CLIENT_REGISTRATION_MAINIDENTITY_CLIENT_SECRET: "${security.oauth2.service-account.admin.client-secret}"
# Token URI using main realm
SPRING_SECURITY_OAUTH2_CLIENT_PROVIDER_MAINAUTHPROVIDER_TOKEN_URI: "${security.oauth2.base-server-url}/realms/${security.oauth2.realm}/protocol/openid-connect/token"
SECURITY_TYPE: "jwt-public-key"
# Service account client ID follows flowx-{service-name}-sa pattern
SPRING_SECURITY_OAUTH2_CLIENT_REGISTRATION_MAINIDENTITY_CLIENT_ID: "flowx-admin-sa"
SPRING_SECURITY_OAUTH2_CLIENT_REGISTRATION_MAINIDENTITY_CLIENT_SECRET: "{your-client-secret}"
# Token URI now uses separate sa-realm
SPRING_SECURITY_OAUTH2_CLIENT_PROVIDER_MAINAUTHPROVIDER_TOKEN_URI: "${security.oauth2.base-server-url}/realms/${security.oauth2.sa-realm}/protocol/openid-connect/token"
The following new environment variables are available across multiple services:
| Environment Variable | Description | Default Value | Component |
|---|
KAFKA_MESSAGE_MAX_BYTES | Maximum Kafka producer message size in bytes | 52428800 (50 MB) | process-engine, admin, application-manager, integration-designer, events-gateway, email-gateway, notification-plugin, document-plugin |
REDIS_TTL | Redis cache time-to-live in milliseconds | 5000000 | admin, application-manager, cms-core, integration-designer, task-management-plugin, notification-plugin |
KAFKA_OAUTH_CLIENT_ID | OAuth client ID for Kafka SASL authentication | kafka | events-gateway, email-gateway, notification-plugin, document-plugin |
LOGGING_LEVEL_APP | Application-specific logging level | INFO | Most services (12/19) |
LOGGING_LEVEL_OAUTH2_EXC | OAuth2 autoconfiguration exception logging level | OFF | Most services (12/19) |
LOGGG_LEVEL_MONGO_DRIVER | MongoDB driver logging level | INFO | admin, application-manager, cms-core |
Document plugin
| Environment Variable | Description | Default Value |
|---|
MULTIPART_MAX_ENTITY_SIZE | Maximum size for multipart uploads at server level | 52428800 (50 MB) |
Email gateway
New in 5.5.0 — The email gateway service supports IMAP polling for email triggers. The following variables control polling behavior and load balancing.
| Environment Variable | Description | Default Value |
|---|
EMAIL_GATEWAY_IMAP_CONNECTION_TIMEOUT | IMAP server connection timeout in milliseconds | 10000 |
EMAIL_GATEWAY_IMAP_MAX_CONCURRENT_POLLS | Maximum number of concurrent IMAP polling operations | 30 |
EMAIL_GATEWAY_IMAP_MAX_MESSAGES_PER_POLL | Maximum messages to fetch per polling cycle | 50 |
EMAIL_GATEWAY_IMAP_POLLING_INTERVAL | Interval between IMAP polling cycles in seconds | 30 |
EMAIL_GATEWAY_IMAP_READ_TIMEOUT | IMAP read timeout in milliseconds | 30000 |
EMAIL_GATEWAY_MASTER_ELECTION_CRON | Cron expression for master election checks | */5 * * * * * |
EMAIL_GATEWAY_MASTER_ELECTION_TTL | Master election TTL in seconds | 15 |
EMAIL_GATEWAY_MAX_EMAILS_PER_INSTANCE | Maximum email accounts per service instance for load balancing | 100 |
EMAIL_GATEWAY_REBALANCING_CRON | Cron expression for email account rebalancing | */30 * * * * * |
EMAIL_GATEWAY_STALE_TIMEOUT_SECONDS | Timeout in seconds before marking an instance as stale | 90 |
Additional resources