Post Ideas

[katbow]

• Notes for each chapter of Practical Object Oriented Design in Ruby (or amalgamate into single post)
  • CH2 - Design for Single Responsibility
  • CH3 - Managing Dependencies
  • CH4 - Creating Flexible Interfaces
  • CH5 - Reducing Costs with Duck Typing
  • CH6 - Acquiring Behaviour Through Inheritance
  • CH7 - Sharing Role Behaviour with Modules
  • CH8 - Combining Object with Composition
  • CH9 - Designing Cost-Effective Tests
• AWS Lambda/Serverless series. Ideas below which may be combined or further split depending on outlines*
  • Deploying a lambda function with serverless
  • Put lambda in a VPC
  • Set up connection with RDS
  • Set up S3 connection to lambda with VPC endpoint
  • Encrypt secrets with KMS & decrypt in lambda function (needs KMS VPC Endpoint)

*Resources

• https://serverfault.com/questions/726245/aws-vpc-endpoint-securitygroupegress-rule
• https://stackoverflow.com/questions/39779962/access-aws-s3-from-lambda-within-vpc
• https://stackoverflow.com/questions/35423246/adding-aws-lambda-with-vpc-configuration-causes-timeout-when-accessing-s3
• https://stackoverflow.com/questions/42653038/aws-s3-vpc-endpoint-docs-example
• https://stackoverflow.com/questions/40395549/access-s3-from-aws-lambda
• https://aws.amazon.com/blogs/aws/new-vpc-endpoint-for-amazon-s3/