# Creating Elastic Beanstalk environments with the API

1. Call `CheckDNSAvailability` with the following parameter:
 + `CNAMEPrefix` = `SampleApp` 
**Example** 
 ```
 1. https://elasticbeanstalk.us-east-2.amazonaws.com/?CNAMEPrefix=sampleapplication
 2. &Operation=CheckDNSAvailability
 3. &AuthParams
 ```
1. Call `DescribeApplicationVersions` with the following parameters:
 + `ApplicationName` = `SampleApp`
 + `VersionLabel` = `Version2` 
**Example** 
 ```
 1. https://elasticbeanstalk.us-east-2.amazonaws.com/?ApplicationName=SampleApp
 2. &VersionLabel=Version2
 3. &Operation=DescribeApplicationVersions
 4. &AuthParams
 ```
1. Call `CreateConfigurationTemplate` with the following parameters:
 + `ApplicationName` = `SampleApp`
 + `TemplateName` = `MyConfigTemplate`
 + `SolutionStackName` = `64bit%20Amazon%20Linux%202015.03%20v2.0.0%20running%20Ruby%202.2%20(Passenger%20Standalone)` 
**Example** 
 ```
 1. https://elasticbeanstalk.us-east-2.amazonaws.com/?ApplicationName=SampleApp
 2. &TemplateName=MyConfigTemplate
 3. &Operation=CreateConfigurationTemplate
 4. &SolutionStackName=64bit%20Amazon%20Linux%202015.03%20v2.0.0%20running%20Ruby%202.2%20(Passenger%20Standalone)
 5. &AuthParams
 ```
1. Call `CreateEnvironment` with one of the following sets of parameters.
 1. Use the following for a web server environment tier:
 + `EnvironmentName` = `SampleAppEnv2`
 + `VersionLabel` = `Version2`
 + `Description` = `description`
 + `TemplateName` = `MyConfigTemplate`
 + `ApplicationName` = `SampleApp`
 + `CNAMEPrefix` = `sampleapplication`
 + `OptionSettings.member.1.Namespace` = `aws:autoscaling:launchconfiguration`
 + `OptionSettings.member.1.OptionName` = `IamInstanceProfile`
 + `OptionSettings.member.1.Value` = `aws-elasticbeanstalk-ec2-role` 
**Example** 
 ```
 1. https://elasticbeanstalk.us-east-2.amazonaws.com/?ApplicationName=SampleApp
 2. &VersionLabel=Version2
 3. &EnvironmentName=SampleAppEnv2
 4. &TemplateName=MyConfigTemplate
 5. &CNAMEPrefix=sampleapplication
 6. &Description=description
 7. &Operation=CreateEnvironment
 8. &OptionSettings.member.1.Namespace=aws%3Aautoscaling%3Alaunchconfiguration
 9. &OptionSettings.member.1.OptionName=IamInstanceProfile
 10. &OptionSettings.member.1.Value=aws-elasticbeanstalk-ec2-role
 11. &AuthParams
 ```
 1. Use the following for a worker environment tier:
 + `EnvironmentName` = `SampleAppEnv2`
 + `VersionLabel` = `Version2`
 + `Description` = `description`
 + `TemplateName` = `MyConfigTemplate`
 + `ApplicationName` = `SampleApp`
 + `Tier` = `Worker`
 + `OptionSettings.member.1.Namespace` = `aws:autoscaling:launchconfiguration`
 + `OptionSettings.member.1.OptionName` = `IamInstanceProfile`
 + `OptionSettings.member.1.Value` = `aws-elasticbeanstalk-ec2-role`
 + `OptionSettings.member.2.Namespace` = `aws:elasticbeanstalk:sqsd`
 + `OptionSettings.member.2.OptionName` = `WorkerQueueURL`
 + `OptionSettings.member.2.Value` = `sqsd.elasticbeanstalk.us-east-2.amazonaws.com`
 + `OptionSettings.member.3.Namespace` = `aws:elasticbeanstalk:sqsd`
 + `OptionSettings.member.3.OptionName` = `HttpPath`
 + `OptionSettings.member.3.Value` = `/`
 + `OptionSettings.member.4.Namespace` = `aws:elasticbeanstalk:sqsd`
 + `OptionSettings.member.4.OptionName` = `MimeType`
 + `OptionSettings.member.4.Value` = `application/json`
 + `OptionSettings.member.5.Namespace` = `aws:elasticbeanstalk:sqsd`
 + `OptionSettings.member.5.OptionName` = `HttpConnections`
 + `OptionSettings.member.5.Value` = `75`
 + `OptionSettings.member.6.Namespace` = `aws:elasticbeanstalk:sqsd`
 + `OptionSettings.member.6.OptionName` = `ConnectTimeout`
 + `OptionSettings.member.6.Value` = `10`
 + `OptionSettings.member.7.Namespace` = `aws:elasticbeanstalk:sqsd`
 + `OptionSettings.member.7.OptionName` = `InactivityTimeout`
 + `OptionSettings.member.7.Value` = `10`
 + `OptionSettings.member.8.Namespace` = `aws:elasticbeanstalk:sqsd`
 + `OptionSettings.member.8.OptionName` = `VisibilityTimeout`
 + `OptionSettings.member.8.Value` = `60`
 + `OptionSettings.member.9.Namespace` = `aws:elasticbeanstalk:sqsd`
 + `OptionSettings.member.9.OptionName` = `RetentionPeriod`
 + `OptionSettings.member.9.Value` = `345600` 
**Example** 
 ```
 1. https://elasticbeanstalk.us-east-2.amazonaws.com/?ApplicationName=SampleApp
 2. &VersionLabel=Version2
 3. &EnvironmentName=SampleAppEnv2
 4. &TemplateName=MyConfigTemplate
 5. &Description=description
 6. &Tier=Worker
 7. &Operation=CreateEnvironment
 8. &OptionSettings.member.1.Namespace=aws%3Aautoscaling%3Alaunchconfiguration
 9. &OptionSettings.member.1.OptionName=IamInstanceProfile
 10. &OptionSettings.member.1.Value=aws-elasticbeanstalk-ec2-role
 11. &OptionSettings.member.2.Namespace=aws%3Aelasticbeanstalk%3Asqsd
 12. &OptionSettings.member.2.OptionName=WorkerQueueURL
 13. &OptionSettings.member.2.Value=sqsd.elasticbeanstalk.us-east-2.amazonaws.com
 14. &OptionSettings.member.3.Namespace=aws%3elasticbeanstalk%3sqsd
 15. &OptionSettings.member.3.OptionName=HttpPath
 16. &OptionSettings.member.3.Value=%2F
 17. &OptionSettings.member.4.Namespace=aws%3Aelasticbeanstalk%3Asqsd
 18. &OptionSettings.member.4.OptionName=MimeType
 19. &OptionSettings.member.4.Value=application%2Fjson
 20. &OptionSettings.member.5.Namespace=aws%3Aelasticbeanstalk%3Asqsd
 21. &OptionSettings.member.5.OptionName=HttpConnections
 22. &OptionSettings.member.5.Value=75
 23. &OptionSettings.member.6.Namespace=aws%3Aelasticbeanstalk%3Asqsd
 24. &OptionSettings.member.6.OptionName=ConnectTimeout
 25. &OptionSettings.member.6.Value=10
 26. &OptionSettings.member.7.Namespace=aws%3Aelasticbeanstalk%3Asqsd
 27. &OptionSettings.member.7.OptionName=InactivityTimeout
 28. &OptionSettings.member.7.Value=10
 29. &OptionSettings.member.8.Namespace=aws%3Aelasticbeanstalk%3Asqsd
 30. &OptionSettings.member.8.OptionName=VisibilityTimeout
 31. &OptionSettings.member.8.Value=60
 32. &OptionSettings.member.9.Namespace=aws%3Aelasticbeanstalk%3Asqsd
 33. &OptionSettings.member.9.OptionName=RetentionPeriod
 34. &OptionSettings.member.9.Value=345600
 35. &AuthParams
 ```</div><div class="naked_ctrl">
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