Nexus3最佳实践系列：搭建Docker私有仓库

#!/bin/bash
docker run -dti \
        --net=host \
        --name=nexus \
        --privileged=true \
        --restart=always \
        --ulimit nofile=655350 \
        --ulimit memlock=-1 \
        --memory=16G \
        --memory-swap=-1 \
        --cpuset-cpus='1-7' \
        -e INSTALL4J_ADD_VM_PARAMS="-Xms4g -Xmx4g -XX:MaxDirectMemorySize=8g" \
        -v /etc/localtime:/etc/localtime \
        -v /data/nexus:/nexus-data \
        sonatype/nexus3:latest

upstream nexus_web {
    server 192.168.1.100:8081;
}
 
upstream nexus_docker_get {
    server 192.168.1.100:8082;
}
 
upstream nexus_docker_put {
    server 192.168.1.100:8083;
}
server {
    listen 80;
    listen 443 ssl;
    server_name idocker.io;
    access_log /data/wwwlogs/idocker.io.log access_log_json;
    # 证书
    ssl_certificate /data/wwwroot/ssl/out/idocker.io/idocker.io.crt;
    ssl_certificate_key /data/wwwroot/ssl/out/idocker.io/idocker.io.key.pem;
    ssl_protocols TLSv1.1 TLSv1.2;
    ssl_ciphers '!aNULL:kECDH+AESGCM:ECDH+AESGCM:RSA+AESGCM:kECDH+AES:ECDH+AES:RSA+AES:';
    ssl_prefer_server_ciphers on;
    ssl_session_cache shared:SSL:10m;
    # disable any limits to avoid HTTP 413 for large image uploads
    client_max_body_size 0;
    # required to avoid HTTP 411: see Issue #1486 (https://github.com/docker/docker/issues/1486)
    chunked_transfer_encoding on;
    # 设置默认使用推送代理
    set $upstream "nexus_docker_put";
    # 当请求是GET，也就是拉取镜像的时候，这里改为拉取代理，如此便解决了拉取和推送的端口统一
    if ( $request_method ~* 'GET') {
        set $upstream "nexus_docker_get";
    }
    index index.html index.htm index.php;
    location / {
            proxy_pass http://$upstream;
            proxy_set_header Host $host;
            proxy_connect_timeout 3600;
            proxy_send_timeout 3600;
            proxy_read_timeout 3600;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_buffering off;
            proxy_request_buffering off;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto http;
    }
}
server {
    listen 80;
    listen 443 ssl;
    server_name repo.xxx.com;
    index index.html index.htm index.php;
    ssl_certificate /data/wwwroot/ssl/out/repo.xxx.com/repo.xxx.com.crt;
    ssl_certificate_key /data/wwwroot/ssl/out/repo.xxx.com/repo.xxx.com.key.pem;
    ssl_protocols TLSv1.1 TLSv1.2;
    ssl_ciphers '!aNULL:kECDH+AESGCM:ECDH+AESGCM:RSA+AESGCM:kECDH+AES:ECDH+AES:RSA+AES:';
    ssl_prefer_server_ciphers on;
    ssl_session_cache shared:SSL:10m;
    access_log /data/wwwlogs/repo.xxx.com.log access_log_json;
    location /download {
        root /data/wwwroot/repo.xxx.com;
    }
    location / {
            proxy_pass http://nexus_web;
            proxy_set_header Host $host;
            client_max_body_size 512m;
            proxy_connect_timeout 3600;
            proxy_send_timeout 3600;
            proxy_read_timeout 3600;
            proxy_buffering off;
            proxy_request_buffering off;
    }
}

#!/bin/bash
bakfile=/tmp/hosts_$RANDOM
# 定义仓库域名和nexus前台域名
docker_domain=idocker.io
repo_domain=repo.xxx.com
# 绑定仓库域名解析
cp /etc/hosts $bakfile || exit 1
echo "/etc/hosts is bakcup to $bakfile"
if grep -q "$idocker_domain" /etc/hosts;then
    sed -i 's/.*$docker_domain/192.168.1.100 $docker_domain/g' /etc/hosts
else
    echo "192.168.1.100 $docker_domain" >> /etc/hosts
fi
echo
# 探测到仓库是否畅通
if which telnet >/dev/null 2>&1;then
    echo start trying to connect to $docker_domain:443 ...
    if ! echo "e" | telnet -e "e" $docker_domain 443 >/dev/null;then
       echo "Can not connect to $docker_domain:443,Plz check!"
    else
       echo connect success.
    fi
fi
echo
# 开始部署证书
mkdir -p /etc/docker/certs.d/$docker_domain
curl -s -o /etc/docker/certs.d/$docker_domain/ca.crt http://$repo_domain/download/cert/ca.crt
 
echo Docker repository init success, you need login when you want upload docker images.
echo 'Plz Run "docker login --username=idocker $docker_domain"'

curl -sSL http://repo.xxx.com/download/scripts/docker_init.sh | sh -s