v0.1: The first version of backup script

Dockerfile

@@ -0,0 +1,24 @@
+FROM alpine:3.16
+
+ENV HOME=/home/app \
+    APP_HOME=/home/app/docker-files-backup \
+    \
+    # python
+    PYTHONPATH=${PYTHONPATH}:${PWD} \
+    PYTHONUNBUFFERED=1 \
+    PYTHONDONTWRITEBYTECODE=1 \
+    \
+    # pip
+    PIP_NO_CACHE_DIR=off \
+    PIP_DISABLE_PIP_VERSION_CHECK=on \
+    PIP_DEFAULT_TIMEOUT=100
+
+RUN apk --no-cache add zstd python3 py3-pip tini tar
+
+COPY ./ $APP_HOME
+WORKDIR $APP_HOME
+
+RUN python3 -m pip install $APP_HOME
+
+ENTRYPOINT ["tini", "--"]
+CMD ["python3", "start.py"]