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@weklund weklund commented Jan 27, 2026

Summary

Fixes #337 - Database modules use deprecated engine versions that are no longer available in AWS.

  • MySQL: Updated engine version from 8.0.35 to 8.0.44
  • PostgreSQL: Updated engine version from 16.1 to 16.11
  • Neptune: Added configurable parameter-group-family parameter (defaults to 1.4, supports 1.2, 1.3, 1.4)

Changes

File Change
manifests/local/database-modules.yaml Updated MySQL/PostgreSQL versions, added Neptune parameter
modules/database/neptune/app.py Added parameter reading with default
modules/database/neptune/stack.py Added configurable parameter group family with validation
modules/database/neptune/README.md Documented new optional parameter

Test plan

  • Verify MySQL RDS module deploys with version 8.0.44
  • Verify PostgreSQL RDS module deploys with version 16.11
  • Verify Neptune module deploys with default parameter-group-family 1.4
  • Verify Neptune module accepts custom parameter-group-family values (1.2, 1.3)
  • Run unit tests for Neptune module

- Update MySQL engine version from 8.0.35 to 8.0.44
- Update PostgreSQL engine version from 16.1 to 16.11
- Add configurable parameter-group-family parameter to Neptune module
  (defaults to 1.4, supports 1.2, 1.3, 1.4)

Closes #337
Upgrade aws-cdk-lib and aws-cdk-aws-neptune-alpha to 2.236.0 to support
ParameterGroupFamily.NEPTUNE_1_4 which is required for new Neptune instances.
Update the deployspec.yaml to use latest CDK CLI version to match
the upgraded CDK library (2.236.0) which requires cloud assembly
schema version 48.0.0.
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Database modules use deprecated engine versions

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