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35 lines
1.8 KiB
Markdown
35 lines
1.8 KiB
Markdown
# Shared PostgreSQL
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This directory contains the shared PostgreSQL 17 deployment for Authentik,
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Gitea, Netronome, and Statuspage. It creates one database and one login role
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per service. Per-service standalone databases were removed after the
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migration (Sep 2026); Penpot stays on its own compose PostgreSQL (archived,
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not part of the shared instance).
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## Compatibility baseline
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| Service | Current application | Shared PostgreSQL 17 |
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| ---------- | ------------------- | -------------------------------------- |
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| Authentik | 2025.10.x | Supported (Authentik requires 14+) |
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| Gitea | 1.27.3 | Supported (Gitea requires 12+) |
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| Netronome | 0.14.0 | Supported (upstream's example uses 17) |
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| Statuspage | custom | Supported |
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A major-version change must use a logical dump/restore; changing only the
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image tag while keeping a data directory is not supported.
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For Compose, copy `.env.example` to `.env`, set all passwords, and start it with
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`docker compose -f shared-compose.yaml up -d`. This file is intentionally not
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named `compose.yaml`, so the repository deploy workflow does not start a second
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database accidentally.
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Applications that use this database must also join that external network and use
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`homelab-postgres:5432`.
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For Kubernetes, create `k8s/secrets.yaml` from the example before applying the
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manifests. The `k8s/active` marker makes the normal deploy workflow include the
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namespace, StatefulSet, ConfigMap, and NetworkPolicy. Applications use
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`postgres.database.svc.cluster.local:5432`.
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Migrate each existing database with a tested logical dump/restore before
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switching an application. Do not reuse a PostgreSQL 14 or 17 data directory
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with PostgreSQL 15.
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