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Environment Variables

Quick reference for Java Azure Functions operational workflows.

Topic/Command Groups

flowchart TD
    A[local.settings.json] --> B[App Settings]
    B --> C[Java worker startup]
    C --> D[Function behavior]
Variable Purpose Example
FUNCTIONS_WORKER_RUNTIME Language worker selection java
AzureWebJobsStorage Trigger/binding storage UseDevelopmentStorage=true
JAVA_HOME Java runtime location Managed by platform
JAVA_OPTS JVM tuning -Xmx512m
az functionapp config appsettings set --name $APP_NAME --resource-group $RG --settings "FUNCTIONS_WORKER_RUNTIME=java" "JAVA_OPTS=-Xmx512m"

See Also

Sources