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Add PostgreSQL Docker Compose service #7

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Merged
DataTideHH merged 1 commit into from
Aug 5, 2026
Merged

Add PostgreSQL Docker Compose service #7

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19 changes: 19 additions & 0 deletions compose.yaml
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Original file line number Diff line number Diff line change
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services:
postgres:
image: postgres:18-alpine
environment:
POSTGRES_DB: processdb
POSTGRES_USER: processapp
POSTGRES_PASSWORD: processapp
Comment on lines +4 to +7
ports:
- "5432:5432"
volumes:
- processdb-data:/var/lib/postgresql/data

@chatgpt-codex-connector chatgpt-codex-connector Bot Aug 5, 2026

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P2 Badge Mount the Postgres 18 volume at the new data root

Because this service uses postgres:18-alpine, the official image docs place the live PGDATA under /var/lib/postgresql/18/docker and recommend targeting the volume at /var/lib/postgresql; mounting the named volume at the old /var/lib/postgresql/data path can leave the actual database files in an anonymous parent volume, so data disappears after a docker compose down/container recreation even though processdb-data exists. Please mount processdb-data at /var/lib/postgresql (or explicitly set PGDATA inside the mounted path) instead.

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healthcheck:
test: ["CMD-SHELL", "pg_isready -U processapp -d processdb"]
interval: 5s
timeout: 5s
retries: 10
Comment on lines +12 to +16

volumes:
processdb-data: