March 2019
Intermediate to advanced
168 pages
4h 33m
English
Content preview from Building Serverless Microservices in Python
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Lambda security
As we discussed earlier, AWS Lambda is the central component in a serverless stack, or the integration connector with your custom code, triggered by events between AWS managed services. A Lambda function always has an execution IAM role associated with it, and using policies attached to that role is one of the best, and most secure, ways to deny or grant it access to other AWS resources. The beauty is that there is no need to manage or exchange any keys or passwords for a lot of the AWS managed services, such as S3, DynamoDB, and Kinesis Stream. There are some exceptions, such as some of the Amazon Relational Database Service (RDS), such as SQL Server, but MySQL or PostgreSQL do support IAM database authentication. The following ...
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