first commit of rotate-backups container

.drone.yml

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+---
+kind: template
+load: multiarch-container.yaml
+data:
+  repo: images/rotate-backups
+  build_args:
+  - PYTHON_VERSION=3
+  - ALPINE_VERSION=3.18
+  - ROTATE_BACKUPS_VERSION=8.1
+  tags:
+  - "8.1"
+  - "8"
+  platforms:
+  - os: linux
+    arch: arm64
+  - os: linux
+    arch: amd64

Dockerfile

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+
+ARG PYTHON_VERSION=3
+ARG ALPINE_VERSION=3.18
+ARG ROTATE_BACKUPS_VERSION=latest
+
+FROM python:${PYTHON_VERSION}-alpine${ALPINE_VERSION}
+
+RUN apk update && apk add less
+
+RUN pip install rotate-backups==${ROTATE_BACKUPS_VERSION}
+
+RUN mkdir /data
+
+COPY rotate.sh /opt/rotate.sh
+RUN chmod +x /opt/rotate.sh
+
+ENTRYPOINT ["/opt/rotate.sh"]
+CMD ["--help"]

readme.md

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+
+# `rotate-backups` in a container image
+
+

rotate.sh

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+#!/bin/sh
+/usr/local/bin/rotate-backups "$@" /data