配置Docker镜像源

sh
# 创建目录
sudo mkdir -p /etc/docker
# 写入镜像配置
sudo tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": [
    "https://registry.cn-hangzhou.aliyuncs.com",
    "https://dockerhub.azk8s.cn",
    "https://mirror.ccs.tencentyun.com",
    "https://docker.mirrors.ustc.edu.cn",
    "https://docker.m.daocloud.io",
    "https://noohub.ru"
  ]
}
EOF
# 重启docker服务
sudo systemctl daemon-reload
# 或者重启 
# sudo systemctl restart docker

# 检查配置
docker info | grep -A 10 'Registry Mirrors'

注：镜像地址建议设置2个以上，因为部分镜像可能更新不及时，导致拉取不到最新tag，但也不宜设置过多，不然反而影响性能

如果已经存在/etc/docker/daemon.json这个配置文件，手动复制下面的镜像地址加如到配置中

sh
{
  "registry-mirrors": [
    "https://registry.cn-hangzhou.aliyuncs.com",
    "https://dockerhub.azk8s.cn",
    "https://mirror.ccs.tencentyun.com",
    "https://docker.mirrors.ustc.edu.cn",
    "https://docker.m.daocloud.io",
    "https://noohub.ru"
  ]
}

检查配置是否生效

输入 docker info 命令，可以看到“Registry Mirrors”地址列表，说明设置成功了，如下图：

重启docker服务

sh
sudo systemctl daemon-reload
sudo systemctl restart docker

拉取镜像测试

sh
docker pull zhayujie/chatgpt-on-wechat

镜像库可用性检查

sh

#!/bin/bash

# 使用 grep 和 sed 来提取镜像源
mirrors=$(grep -o '"https://[^"]*\|http://[^"]*' /etc/docker/daemon.json)

# 检查是否找到镜像源
if [ -z "$mirrors" ]; then
    echo "No mirrors found in /etc/docker/daemon.json"
    exit 1
fi

# 测试每个镜像源
echo "Found mirrors, starting tests..."
echo "----------------------------------------"

while IFS= read -r mirror; do
    # 移除引号
    mirror=$(echo $mirror | sed 's/"//g')

    echo "Testing $mirror"
    response=$(curl -I -m 10 -o /dev/null -s -w "HTTP Status: %{http_code}\nTime: %{time_total}s\n" $mirror)

    if echo "$response" | grep -q "HTTP Status: 200"; then
        echo "$response"
        echo "Mirror $mirror is working"
    else
        echo "$response"
        echo "Mirror $mirror is not working"
    fi
    echo "----------------------------------------"
done <<< "$mirrors"

先删除本地镜像

docker rmi lobehub/lobe-chat-database:latest

• 查看 Docker 守护进程实时日志

查看实时日志（需要 systemd 系统）

sudo journalctl -u docker.service -f

新开终端执行拉取操作

docker pull lobehub/lobe-chat-database:latest

观察日志输出，正常情况会显示类似：

sh
Trying to pull from mirror https://mirror.ccs.tencentyun.com

查看生效配置

docker info | grep -A 15 'Registry Mirrors'