KA-B012: Duplicate environment variable keys
Warning Best Practice
Why This Matters
The container has duplicate environment variable names. When duplicate names exist, the later value silently overrides the earlier one. This is almost always a copy-paste error and can cause subtle runtime bugs that are difficult to diagnose.
How to Fix
Remove duplicate env var entries or rename them
Before (incorrect)
env:
- name: DB_HOST
value: primary.db
- name: DB_HOST
value: replica.db After (correct)
env:
- name: DB_HOST
value: primary.db
- name: DB_REPLICA_HOST
value: replica.db Rule Details
- Rule Code
- KA-B012
- Severity
- Warning
- Category
- Best Practice