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Showing posts from August, 2018

AWS Parameter Store

A typical web application needs credentials to access different resources such as credentials to connect to database and tokens to communicate with other web services.
It is common practice to pass these secret parameters to applications via system properties or environment variables. For example, if you are using Elastic Beanstalk for java web application then you can pass parameters (database url, username, password etc.) as properties.  Every infrastructure is different, but in general this practice is neither secure nor manageable. Some of the common problems are: parameters are not encrypted, parameters might be available in plain text on ec2-instance ebs scripts, parameters are hard to rotate if parameters are being shared by multiple applications. Moreover, if credentials are shared by different applications and multiple people are responsible for deployment then all those people will need access to credentials.
Instead of passing secret parameters as environment variables, se…