docker仓库登录及配置insecure-registries的方法

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# cat /etc/docker/daemon.json

{

  "registry-mirrors": ["https://0nth4654.mirror.aliyuncs.com"],

  "insecure-registries": ["harbor.domain.io"]

}

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[0 root@vps harbor]# cat /usr/lib/systemd/system/docker.service

[Unit]

Description=Docker Application Container Engine

Documentation=https://docs.docker.com

After=network-online.target firewalld.service containerd.service

Wants=network-online.target

Requires=docker.socket containerd.service

[Service]

Type=notify

# the default is not to use systemd for cgroups because the delegate issues still

# exists and systemd currently does not support the cgroup feature set required

# for containers run by docker

ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock --insecure-registry harbor.domain.io

ExecReload=/bin/kill -s HUP $MAINPID

TimeoutSec=0

RestartSec=2

Restart=always

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[0 root@vps harbor.domain.io]# docker login harbor.domain.io

Username: admin

Password:

Error response from daemon: Get https://harbor.domain.io/v2/: x509: certificate signed by unknown authority

[1 root@vps harbor.domain.io]# cp /data/secret/certs/harbor.domain.io.crt .

[0 root@vps harbor.domain.io]# docker login harbor.domain.io

Username: admin

Password:

WARNING! Your password will be stored unencrypted in /root/.docker/config.json.

Configure a credential helper to remove this warning. See

https://docs.docker.com/engine/reference/commandline/login/#credentials-store

Login Succeeded

[0 root@vps ~]# cat /root/.docker/config.json

{

    "auths": {

        "harbor.domain.io": {

            "auth": "YWRtaW46cm9vdC4xMjM0"

        }

    }

[0 root@vps harbor.domain.io]# systemctl status docker

● docker.service - Docker Application Container Engine

   Loaded: loaded (/usr/lib/systemd/system/docker.service; enabled; vendor preset: disabled)

   Active: active (running) since Wed 2021-04-21 15:06:49 CST; 9min ago

     Docs: https://docs.docker.com

 Main PID: 32439 (dockerd)

    Tasks: 39

   Memory: 63.4M

   CGroup: /system.slice/docker.service

           ├─  920 /usr/bin/docker-proxy -proto tcp -host-ip 0.0.0.0 -host-port 443 -container-ip 172.18.0.10 -container-port 8443

           ├─  932 /usr/bin/docker-proxy -proto tcp -host-ip 0.0.0.0 -host-port 80 -container-ip 172.18.0.10 -container-port 8080

           ├─32439 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock

           └─32646 /usr/bin/docker-proxy -proto tcp -host-ip 127.0.0.1 -host-port 1514 -container-ip 172.18.0.2 -container-port 10514

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