Runmodes Environments aem

Question

Hi all,

How different environments will be mapped to different runmodes how config.dev will be mapped to dev environment what's the underlying mechanism for this.How the mapping happens.

Thanks in advance.

Shiv_Prakash_Patel · Accepted Answer

Hi @ns334 ,Below are the explanations for your queries.1. How are different environments mapped to different run modes -AEM uses run modes to apply environment-specific configurations. These run modes are specified during startup and determine which configuration settings and bundles are activated. For example, you might have run modes like author, publish, dev, prod, or custom ones like intranet. By combining these run modes, you can fine-tune your AEM instance for various scenarios.2. How does config.dev get mapped to the dev environment?AEM maps configuration folders to run modes using specific naming conventions. Folders within the repository are suffixed with the run mode they correspond to. For instance:config: Applied to all run modes.config.author: Applied when the author run mode is active.config.dev: Applied when the dev run mode is active.config.author.dev: Applied when both author and dev run modes are active.When the AEM instance starts with the dev run mode, it automatically loads configurations from the config.dev folder. If multiple configuration folders match the active run modes, AEM applies the configuration with the highest number of matching run modes. For example, if both config.author and config.author.dev are present, and the instance is started with author and dev run modes, the settings in config.author.dev will take precedence.3. What is the underlying mechanism for this mapping?The underlying mechanism for mapping run modes in Adobe Experience Manager (AEM) is based on how run modes are specified during startup. This can be done using:System Properties: -Dsling.run.modes=author,dev when launching the JAR.sling.properties File: Adding sling.run.modes=author,dev to sling.properties.Command-Line Option: Using -r author,dev while starting AEM.Filename Detection: Renaming the JAR file with specific run modes.Reference- https://experienceleague.adobe.com/en/docs/experience-manager-65/content/implementing/deploying/configuring/configure-runmodesRegards,

chaudharynick · Answer

Hi @ns334 ,

These are dependent on the runmode configuration you used to setup your instance.

whenever you setup a instance(local, on prem) you can define the runmodes by either passing the arguments while starting up or setting up in sling.properties(crx-quickstart/conf/sling.properties) file.
in the cloud, it is the default - dev, stage, prod.

these are environment specific and then comes the standard runmodes that is author and publish.

format -> config.<standard-run-mode>.<environment-specific-mode>

Example

config.author - author environment for all server

config.dev - author&publish environment for dev server

config.author.dev - author environment for dev server
config.publish.dev - publish environment for dev server

config.author.stage - author environment for Stage server
config.publish.stage - publish environment for Stage server
config.author.prod - author environment for production
config.publish.prod - publish environment for production

configurations gets assigned with the most matching runmodes.

Example

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