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Ravi Sir's Cards › Chapter 45: Terraform 3-Tier Architecture in a Single Availability Zone

In a 3-tier app, how do you make sure only the app tier can reach the database?

In a 3-tier app, how do you make sure only the app tier can reach the database? Put the database in a private subnet (no route to the internet) and give it a security group that allows port 3306 only from the app tier’s security group.

In a 3-tier app, how do you make sure only the app tier can reach the database? Put the database in a private subnet (no route to the internet) and give it a security group that allows port 3306 only from the app tier’s security group.
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Lesson: 45.2 Security groups for web, app and database tiers · मराठी card