985b81d1de
The database and files now live under ./data (DATA_DIR to move them), so they can be seen, backed up and restored without going through Docker. tools/volumes-to-folders.sh copies an existing install's named volumes across; it only copies, leaving the volumes in place. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
53 lines
1.8 KiB
Bash
Executable file
53 lines
1.8 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Copies Printhive's data out of Docker's named volumes into ./data, for the
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# switch to host folders. Run it on the server, from the folder holding
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# docker-compose.yml, with the stack stopped.
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#
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# It only copies: the named volumes are left exactly as they were, so if
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# anything looks wrong you can put the old docker-compose.yml back and start
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# again with nothing lost.
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set -euo pipefail
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DATA_DIR="${DATA_DIR:-./data}"
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VOLUMES=(pgdata uploads thumbnails glb extracted)
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# Compose names volumes "<project>_<name>", the project being this folder's name
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# unless it's set elsewhere.
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PROJECT="${COMPOSE_PROJECT_NAME:-$(basename "$(pwd)")}"
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if docker compose ps --status running --quiet 2>/dev/null | grep -q .; then
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echo "Printhive is still running. Stop it first: docker compose down" >&2
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exit 1
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fi
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echo "Project: $PROJECT"
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echo "Copying into: $DATA_DIR"
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echo
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for name in "${VOLUMES[@]}"; do
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volume="${PROJECT}_${name}"
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target="$DATA_DIR/$name"
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if ! docker volume inspect "$volume" >/dev/null 2>&1; then
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echo "· $volume — no such volume, skipping (nothing to copy)"
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mkdir -p "$target"
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continue
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fi
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if [ -d "$target" ] && [ -n "$(ls -A "$target" 2>/dev/null)" ]; then
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echo "· $target already has files in it — skipping, so nothing is overwritten" >&2
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continue
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fi
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mkdir -p "$target"
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# -a keeps ownership and timestamps, which Postgres's data folder needs.
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docker run --rm \
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-v "$volume":/from:ro \
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-v "$(cd "$(dirname "$target")" && pwd)/$(basename "$target")":/to \
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alpine sh -c 'cp -a /from/. /to/'
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echo "· $volume → $target ($(du -sh "$target" | cut -f1))"
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done
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echo
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echo "Done. Start it up again with: docker compose up -d"
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echo "Once you're happy, the old volumes can be removed with:"
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for name in "${VOLUMES[@]}"; do echo " docker volume rm ${PROJECT}_${name}"; done
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