feat: add external database support for RDS/Cloud SQL #1723
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Implements support for external managed databases (AWS RDS, Google Cloud SQL, Azure Database for PostgreSQL) as an alternative to in-cluster PostgreSQL. Changes: - Add postgres.external.enabled and postgres.external.databaseUrl config - Update deployment templates with conditional DATABASE_URL logic - Create secret-external-db.yaml template for external credentials - Skip PostgreSQL deployment when external database is enabled - Update values.schema.json with new configuration fields - Add comprehensive RDS example configuration - Maintain 100% backward compatibility with existing deployments Testing: - Schema validation passes for both modes - External mode: Creates external-db-secret, skips PostgreSQL - In-cluster mode: Works unchanged with existing configuration - Both gateway and migration job use correct DATABASE_URL Documentation: - RDS_CONFIGURATION_PLAN.md: Design and implementation details - RDS_IMPLEMENTATION_SUMMARY.md: Testing and usage guide - examples/values-rds.yaml: Production-ready AWS RDS example Fixes IBM#1722 Signed-off-by: Shi Jin <[email protected]>
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Implements support for external managed databases (AWS RDS, Google Cloud SQL, Azure Database for PostgreSQL) as an alternative to in-cluster PostgreSQL.
Changes:
Testing:
Documentation:
Fixes #1722
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