加速Docker Pull或者docker-compose拉取镜像 - 适用github源

为github的docker源提速

下载zlib（github上的）非常幸苦，速度极慢

找到了大神的文章：加速docker pull

有什么用

为github的docker源提速，比如：

ghcr.io/zlib-searcher/zlib-searcher:latest

ghcr.io/puzzithinker/zlib-searcher:master

怎么用

1. 配置http-proxy.conf

mkdir -p /etc/systemd/system/docker.service.d
vim /etc/systemd/system/docker.service.d/http-proxy.conf
[Service]
Environment="HTTP_PROXY=http://192.168.1.1:7890"

2. 配置https-proxy.conf

vim /etc/systemd/system/docker.service.d/https-proxy.conf
[Service]
Environment="HTTPS_PROXY=http://192.168.1.1:7890"
#这个设置是难点，踩坑折腾了半小时左右，一直监控着clash.meta的UI，docker pull过程到底有没有走proxy，设置对了以后，速度果然一下子，嗖.....

3. 重启服务

sudo systemctl daemon-reload
sudo systemctl restart docker

4. 监控一下是否正常走了设置的代理

5. 当proxy出现故障时, docker-compose up 或者 pull 会报错:

[+] Running 1/0
 ✘ meta Error                                                                                              0.0s 
Error response from daemon: Get "https://registry-1.docker.io/v2/": proxyconnect tcp: dial tcp 192.168.6.116:7890: connect: connection refused

解决办法可以是删除上面的代理配置, 重启docker服务.

相关内容

灵感来源

https://zu1k.com/posts/coding/speedup-docker-pull/#%E4%B8%BAdocker%E8%AE%BE%E7%BD%AE%E4%BB%A3%E7%90%86

假如Docker image的源repository被删除了

You will need to save the Docker image as a tar file:

> docker save -o <path for generated tar file> <image name>
Then copy your image to a new system with regular file transfer tools such as cp, scp, or rsync (preferred for big files). After that you will have to load the image into Docker:

> docker load -i <path to image tar file>
You should add filename (not just directory) with -o, for example:

> docker save -o c:/myfile.tar centos:16
PS: You may need to sudo all commands.

https://stackoverflow.com/questions/23935141/how-to-copy-docker-images-from-one-host-to-another-without-using-a-repository

将docker内文件拷贝到本地文件夹内

  docker cp 容器Id或name:容器内路径 本地文件夹路径
  docker cp containername:/usr/share/nginx/html /volume2/KingchuxingSSD512G/docker/compose/it-tools/html

反之亦然

---

NAS中无法使用该文方案

失败错误：

ERROR: error pulling image configuration: Get "https://production.cloudflare.docker.com/registry-v2/docker
/registry/v2/blobs/sha256/fe/fe9002effde28797931563f042679ea1e505026f90ddbd737ba9cc3d425f7b3a/data?verify=
1719848198-tPisG8yWTSP%2FS87aF2Ea40NhcOk%3D": dial tcp 157.240.12.35:443: i/o timeout  

环境NAS中 docker pull alfg/nginx-rtmp

docker pull 如何走代理?

执行像上面那样的步骤

sudo systemctl daemon-reload
sudo systemctl restart docker

sudo systemctl restart docker           
Failed to restart docker.service: Unit docker.service failed to load: No such file or directory.

暂时放弃了该NAS中的docker，目前无法解决这个错误。（等待第二天自动重启后查看状态）

• 切换到debian中可以正常pull（已经打了这个‘补丁’）

  /www/server/panel/data/compose/

• 或者 在docker-compose文件中 使用国内可用的镜像地址

  • 比如：registry.cn-hangzhou.aliyuncs.com/ossrs/srs:5

Docker 通过ffmpeg将rtsp转码为rtmp进行播放

整个流程说明：rtsp转rtmp直播.md

切换docker镜像到docker run -d -p 1935:1935 -p 8080:8080 alqutami/rtmp-hls

version: "3"
services:
    rtmp-hls:
        ports:
            - 1935:1935
            - 8113:8080
        image: alqutami/rtmp-hls

配置 nginx-hls.conf

nginx-hls.conf
....

是否需要做配置？

上面这个方案的docker pull成功，但是无法正常启动；切换：

version: "3"
services:
    rtmp-hls:
        ports:
            - 1935:1935
            - 8113:8080
        image: polinux/rtmp-hls
        
        

推流
ffmpeg -i "rtsp://admin:dahua123@192.168.6.126:554" -f flv -r 25 -an rtmp://192.168.6.116:1935/live/test

推流

ffmpeg -i "rtsp://a:a@192.168.6.126:554" -f flv -r 25 -an rtmp://192.168.6.116:1935/stream/test

使用镜像自带的players播放

• To play RTMP content (requires Flash): http://localhost:8080/players/rtmp.html
• To play HLS content: http://localhost:8080/players/hls.html
• To play HLS content using hls.js library: http://localhost:8080/players/hls_hlsjs.html
• To play DASH content: http://localhost:8080/players/dash.html
• To play RTMP and HLS contents on the same page: http://localhost:8080/players/rtmp_hls.html

docker pull 中EOF错误的解决办法(之一)

root@debian12:~/synctv# docker-compose up           
WARN[0000] /root/synctv/docker-compose.yml: `version` is obsolete  
[+] Running 1/1                             
 ✘ synctv Error Get "https://registry-1.docker.io/v2/": EOF           26.2s 
Error response from daemon: Get "https://registry-1.docker.io/v2/": EOF

可通过代理docker的流量来解决这个错误, 或者添加墙内的镜像地址:

中国的docker镜像地址

local country=$(curl -s ipinfo.io/country)
if [ "$country" = "CN" ]; then
	cat > /etc/docker/daemon.json << EOF
{
  "registry-mirrors": [
	"https://docker.1ms.run",
	"https://docker.m.ixdev.cn",
	"https://hub.rat.dev",
	"https://dockerproxy.net",
	"https://docker-registry.nmqu.com",
	"https://docker.amingg.com",
	"https://docker.hlmirror.com",
	"https://hub1.nat.tf",
	"https://hub2.nat.tf",
	"https://hub3.nat.tf",
	"https://docker.m.daocloud.io",
	"https://docker.kejilion.pro",
	"https://docker.367231.xyz",
	"https://hub.1panel.dev",
	"https://dockerproxy.cool",
	"https://docker.apiba.cn",
	"https://proxy.vvvv.ee"
  ]
}
EOF
fi

Mac系统彻底关闭或卸载Docker的命令

发现MAC下的docker后台占用了超多的内存, 要避免这种严重吃内存的尴尬局面

launchctl list | grep docker                                                    
-       0       com.docker.helper                                                                                
69504   0       application.com.docker.docker.1558478.1558763 

launchctl stop application.com.docker.docker.1558478.1558763

完整指南

osascript -e ‘quit app “Docker”

ps aux | grep -i docker | awk ‘{print $2}’ | xargs kill -9

下面是删除/卸载

sudo rm -rf /Applications/Docker.app

cd /usr/local/bin/
sudo rm -rf docker docker-compose docker-machine docker-credential-* com.docker.* hub-tool* kube* vpnkit*

rm -rf ~/Library/Application\ Support/Docker\ Desktop
rm -rf ~/Library/Group\ Containers/group.com.docker

rm -rf ~/.docker
rm -rf ~/Library/Caches/com.docker.docker
rm -rf ~/Library/Preferences/com.docker.docker.plist

rm -rf ~/Library/Logs/Docker\ Desktop

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