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csAdr #2 | META-0002 · ADR-0002
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DD
Use one shared PostgreSQL service for every instance
csAdr #2 | META-0002 · ADR-0002:
Use one shared PostgreSQL service for every instance
Status:
Accepted
Priority:
Normal
Number:
ADR-0002
Format:
Nygard
Date:
10/15/2026
Supersedes:
-
Content:
Locked
Status:
Accepted
Superseded by:
-
Description
Context¶
Each instance used to run its own database server, which multiplied backups and upgrades.
Decision¶
Every instance uses one shared PostgreSQL service, with a database and a user per instance.
Consequences¶
One backup and one upgrade cover every instance. A failure of the service affects all of them, so it needs monitoring.
Hierarchy
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Dependencies
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Combined
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Your roles cannot decide on this ADR. In this project the decision belongs to: Manager, Developer.
Linked issues
| Project | Item | Status | Origin |
|---|---|---|---|
| Meta | csAdr #META-0003: Publish instances through one reverse proxy | Proposed | Mention |
| Meta | Feature #META-0004: Provision the shared database | New | Link |
| Yank | csAdr #YANK-0006: Store sync state in PostgreSQL | Accepted | Mention |
| Yank | Feature #YANK-0008: Move sync state to PostgreSQL | New | Link |
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