Ensure all configuration values, particularly version numbers and environment variables, are consistent across related files to prevent subtle bugs and deployment issues. When updating configurations:

Identify all related occurrences of the same value across different files (e.g., docker-compose.yml, .phtml templates)
Update all instances to use the same value or parameter
For renamed variables, remove the deprecated ones to prevent ambiguity
When backward compatibility is needed, explicitly support both legacy and current values

Example for version synchronization:

# In app/views/install/compose.phtml
- image: openruntimes/executor:0.7.14
+ image: openruntimes/executor:0.7.16  # Match version in docker-compose.yml

Example for environment variables:

# Remove deprecated variable to avoid confusion
-      - _APP_MAINTENANCE_DELAY
       - _APP_MAINTENANCE_START_TIME

Example for maintaining backward compatibility:

# Support both legacy and current runtime versions
- OPR_EXECUTOR_RUNTIME_VERSIONS=v5
+ OPR_EXECUTOR_RUNTIME_VERSIONS=v2,v5

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