Initial commit

backup/Dockerfile

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+ARG BASE_REPO="repo.nstart.local/"
+FROM ${BASE_REPO}library/alpine:3.22.1
+
+LABEL org.opencontainers.image.title="VaultWarden backup" \
+      org.opencontainers.image.description="Supercronic VaultWarden backup."
+
+RUN apk add --no-cache supercronic tar
+
+COPY --chmod=0755 backup.sh /usr/local/bin/backup.sh
+COPY --chmod=0644 crontab /etc/supercronic/crontab
+
+CMD ["/usr/bin/supercronic", "/etc/supercronic/crontab"]

backup/backup.sh

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+#!/bin/sh
+set -euo pipefail
+
+find /backup -type f -name 'vaultwarden-*.tar.gz' -mtime +30 -print -delete
+
+TIMESTAMP=$(date +'%Y%m%d_%H%M')
+DEST="/backup/vaultwarden-${TIMESTAMP}.tar.gz"
+
+tar czf "$DEST" -C /data .
+
+echo "[backup] Created $DEST"

backup/crontab

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+# Ежедневный запуск в 03:00
+0 3 * * * /usr/local/bin/backup.sh >> /var/log/cron.log 2>&1