Liferay Service Environment Variables

The Liferay service has a range of environment variables that are used to configure the service, its connection to other services, and the DXP installation itself. You can use Liferay Cloud-specific environment variables, or you can define variables that override DXP portal properties.

Overriding Portal Properties

You can use environment variables in the Liferay service to override configurations normally defined in portal properties files.

Check the portal properties documentation to find the environment variable name (“Env”) for each corresponding portal property. For example, you can override the portal property company.default.time.zone with the environment variable, LIFERAY_COMPANY_PERIOD_DEFAULT_PERIOD_TIME_PERIOD_ZONE.

See Defining Environment Variables for more information on adding them to the Liferay service.

Converting Portal Property Names to Environment Variables

If the portal properties documentation does not have a direct translation of a portal property, then you can also convert the property to an overriding environment variable yourself.

Environment variables overriding portal properties:

  • Must not start with a digit.

  • Must have the prefix LIFERAY_ added in front of them.

  • Must only consist of uppercase letters, digits, and the underscore (_) character. Any character that does not fit this constraint must be converted to its corresponding CharPool or Unicode endpoint (converted to decimal).

To meet these requirements, you must convert any portal properties to this format. This allows Liferay Cloud to properly recognize the full name and match it to its corresponding portal property.

Use these steps to convert a portal property name to an environment variable name:

  1. Convert any characters contained in the name that are not a letter, digit or underscore (including periods) to a corresponding CharPool or Unicode endpoint, and surround them in underscores.

    For example, convert the period character (.) to _PERIOD_, or _46_ (if using Unicode).

  2. Add the prefix LIFERAY_ to the start of the variable name.

  3. Convert any letters to upper case.

For example, taking the portal property name setup.wizard.enabled, then using CharPool endpoints, you can convert it to the environment variable named: LIFERAY_SETUP_PERIOD_WIZARD_PERIOD_ENABLED.

Environment Variables Reference

The following environment variables may be set through the environment variables UI or the Liferay service’s LCP.json file:

Name Default Value Description
LCP_LIFERAY_JDBC_CONNECTION_URL The URL used to make the database connection. This may be used to directly set the database name and host. The value should start with jdbc:mysql://. Not used for versions 4.3.2+.
LCP_LIFERAY_JDBC_CONNECTION_URL_QUERY_STRING (See value below for MySQL) Configures the JDBC connection query string.
LCP_LIFERAY_JDBC_DRIVER Allows for specifying the MySQL driver the Liferay service uses. In DXP versions 7.0 and 7.1, this is also used for the cluster configuration. Not used for versions 4.3.2+.
LCP_PROJECT_LIFERAY_CLUSTER_ENABLED true Whether to enable clustering and communication between nodes.
LCP_PROJECT_MONITOR_DYNATRACE_TENANT A string of characters that is part of the URL (prefix) of your Dynatrace SaaS account. Use this together with the LCP_PROJECT_MONITOR_DYNATRACE_TOKEN secret.
LIFERAY_JDBC_PERIOD_DEFAULT_PERIOD_DRIVER_UPPERCASE_CLASS_UPPERCASE_NAME Changes the jdbc.default.driverClassName Liferay portal property to change the database driver. Changing this can cause Liferay to fail to connect to the database.
LIFERAY_JDBC_PERIOD_DEFAULT_PERIOD_URL (See values below) Changes the jdbc.default.url Liferay portal property to override the JDBC URL. Changing this can cause Liferay to fail to connect to the database.
LIFERAY_JVM_OPTS -Xms4096m -Xmx12288m JVM options to be appended to CATALINA_OPTS to override the default recommended options. The recommendation is to set -Xms to 25% of the Liferay service’s available memory, and -Xmx to 75%.

Default LCP_LIFERAY_JDBC_CONNECTION_URL_QUERY_STRING value (only for MySQL): characterEncoding=UTF-8&dontTrackOpenResources=true&holdResultsOpenOverStatementClose=true&permitMysqlScheme=true&serverTimezone=GMT&useFastDateParsing=false&useUnicode=true

Default LIFERAY_JDBC_PERIOD_DEFAULT_PERIOD_URL values: * For PostgreSQL: jdbc:postgresql://database--route/lportal * For MySQL: jdbc:mysql://database--route/lportal?characterEncoding=UTF-8&dontTrackOpenResources=true&holdResultsOpenOverStatementClose=true&permitMysqlScheme=true&serverTimezone=GMT&useFastDateParsing=false&useUnicode=true

Secrets

These variables must instead be defined as Secrets for the Liferay service:

Name Default Value Description
LCP_PROJECT_MONITOR_DYNATRACE_TOKEN A string of characters that you can find in your Dynatrace account at Deploy DynatraceStart installationSet up PaaS monitoringInstaller Download.
LCP_SECRET_DATABASE_NAME The database name used for database connections (jdbc, jdbc ping, and read-only user connections).
LCP_SECRET_DATABASE_PASSWORD The database password used only for the jdbc (and jdbc ping) configurations.
LCP_SECRET_DATABASE_READONLY_USER The read-only user’s username.
LCP_SECRET_DATABASE_READONLY_USER_PASSWORD The read-only user’s password.
LCP_SECRET_DATABASE_USER The primary database user’s user name. Used for the jdbc and jdbc ping connections.

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