feat(docker): 初始化项目并配置定时备份 PostgreSQL 数据库示例

Dockerfile

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+FROM alpine:3.22.1 AS base
+
+# 解决时区问题
+ENV TZ=Asia/Shanghai
+RUN apk add alpine-conf && \
+    setup-timezone -z Asia/Shanghai && \
+    apk del alpine-conf
+
+FROM base AS final
+
+# 安装 sqlite 工具，cron 默认已包含 (dcron)
+RUN apk add --no-cache tini
+
+# 时区
+ENV TZ=Asia/Shanghai
+
+# 启动脚本与任务脚本
+COPY entrypoint.sh run-cron-tasks.sh /usr/local/bin/
+RUN chmod +x /usr/local/bin/entrypoint.sh /usr/local/bin/run-cron-tasks.sh && \
+    mkdir -p /docker-entrypoint-init.d /docker-cron.d /var/lib/cron-init
+
+ENTRYPOINT ["/sbin/tini", "--", "entrypoint.sh"]