feat: init project

set-docker-mirror.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+set -euo pipefail
+
+MIRRORS=(
+  "https://docker.1ms.run"
+  "https://docker.xuanyuan.me"
+  "https://docker.m.daocloud.io"
+  "https://dockerproxy.com"
+  "https://docker.nju.edu.cn"
+)
+
+DAEMON_JSON="/etc/docker/daemon.json"
+
+if [ "$EUID" -ne 0 ]; then
+  echo "Please run as root (sudo)." >&2
+  exit 1
+fi
+
+# Backup existing config
+if [ -f "$DAEMON_JSON" ]; then
+  cp "$DAEMON_JSON" "${DAEMON_JSON}.bak.$(date +%s)"
+fi
+
+# Build mirrors JSON array
+MIRRORS_JSON=$(printf '%s\n' "${MIRRORS[@]}" | jq -R . | jq -s .)
+
+# Merge with existing config if present
+if [ -f "$DAEMON_JSON" ]; then
+  jq --argjson mirrors "$MIRRORS_JSON" '. + {"registry-mirrors": $mirrors}' "$DAEMON_JSON" > "${DAEMON_JSON}.new"
+else
+  jq -n --argjson mirrors "$MIRRORS_JSON" '{"registry-mirrors": $mirrors}' > "${DAEMON_JSON}.new"
+fi
+
+mv "${DAEMON_JSON}.new" "$DAEMON_JSON"
+echo "Wrote $DAEMON_JSON"
+
+systemctl daemon-reload
+systemctl restart docker
+
+echo "Docker mirrors configured. Verify: docker info | grep -A5 Mirrors"