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serverAppConfigs/docs/Dankclaw/Postgres.md
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Frank e3eb5334cb feat: initialize serverAppConfigs with podman stacks for Dankserver and Dankclaw
- Dankserver stack: RomM, Copyparty, Calibre-Web, node-exporter
- Dankclaw stack: Gluetun VPN (SearXNG tunnel), SearXNG+Valkey, ComfyUI
  (CPU backend), OpenWebUI, Hermes, Gitea+Postgres (migrated), Caddy
  reverse proxy, Grafana+Prometheus+Loki+Alloy observability
- Caddyfiles with .local hostname convention and basicauth homepage
- bind-mount storage policy, no named volumes
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  subagents (promtail EOL -> Alloy; gitea SECRET_KEY preservation; ComfyUI --cpu)
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1.7 KiB

Postgres

PostgreSQL is the database backend for Gitea. It runs on the same podman network as Gitea and holds the repository metadata, users, and issue data.

Host: Dankclaw — Docs: https://www.postgresql.org/docs

Facts

Item Value
Image docker.io/library/postgres:16-alpine
Port 5432 (internal only)
Data volume bind mount at /var/lib/postgresql/data

Configuration

services:
  postgres:
    image: docker.io/library/postgres:16-alpine
    restart: unless-stopped
    environment:
      POSTGRES_USER: gitea
      POSTGRES_PASSWORD: "${GITEA_DB_PASSWORD}"
      POSTGRES_DB: gitea
    volumes:
      - /opt/gitea/data/gitea-postgres:/var/lib/postgresql/data

Gitea Connection

Gitea reaches the database over the podman network:

environment:
  DATABASE_TYPE: postgres
  DATABASE_HOST: postgres
  DATABASE_NAME: gitea
  DATABASE_USER: gitea
  DATABASE_PASSWD: "${GITEA_DB_PASSWORD}"

Migration

The live Gitea stack on Dankclaw already runs this image with the data at /opt/gitea/data/gitea-postgres. The migration keeps the bind mount in place; see Gitea.

Healthcheck

Use pg_isready:

healthcheck:
  test: ["CMD-SHELL", "pg_isready -U gitea"]
  interval: 30s
  timeout: 5s
  retries: 3

Gotchas

  • The database password must match between the postgres service and Gitea's DATABASE_PASSWD; both come from the same .env variable.
  • Do not change the Gitea SECRET_KEY or INTERNAL_TOKEN after migration — encrypted data becomes unreadable.
  • Back up with pg_dump; see Gitea Data Persistence (knowledge base).

See Also