Docker插件架构:
Docker插件架构:
┌─────────────────────────────────────────┐
│ Docker Daemon │
├─────────────────────────────────────────┤
│ │
│ ┌─────────────────────────────────┐ │
│ │ Plugin Manager │ │
│ │ ├─ Plugin Discovery │ │
│ │ ├─ Plugin Lifecycle │ │
│ │ └─ Plugin Communication │ │
│ └─────────────────────────────────┘ │
│ │
│ ┌─────────────────────────────────┐ │
│ │ Plugin Types │ │
│ │ ├─ Network Driver │ │
│ │ ├─ Volume Driver │ │
│ │ ├─ Authorization Plugin │ │
│ │ └─ Log Driver │ │
│ └─────────────────────────────────┘ │
└─────────────────────────────────────────┘
插件类型:
Docker插件类型:
┌──────────────────┬──────────────┬──────────────┐
│ 类型 │ 功能 │ 示例 │
├──────────────────┼──────────────┼──────────────┤
│ Network Driver │ 网络驱动 │ Weave Net │
│ Volume Driver │ 存储驱动 │ RexRay │
│ Authz Plugin │ 认证授权 │ Twistlock │
│ Log Driver │ 日志驱动 │ Fluentd │
│ Secret Driver │ 密钥管理 │ Vault │
└──────────────────┴──────────────┴──────────────┘
插件通信方式:
├─ Unix Socket: 本地通信
├─ TCP Socket: 远程通信
└─ Plugin API: HTTP API
插件管理命令:
# 查看插件列表
docker plugin ls
# 输出
ID NAME DESCRIPTION ENABLED
abc123 weaveworks/net-plugin Weave Net plugin true
# 安装插件
docker plugin install weaveworks/net-plugin
# 启用插件
docker plugin enable weaveworks/net-plugin
# 禁用插件
docker plugin disable weaveworks/net-plugin
# 删除插件
docker plugin rm weaveworks/net-plugin
# 查看插件详情
docker plugin inspect weaveworks/net-plugin
# 升级插件
docker plugin upgrade weaveworks/net-plugin
插件配置:
# 安装插件时配置
docker plugin install \
--alias my-plugin \
--disable \
--grant-all-permissions \
plugin-name:latest
# 设置插件参数
docker plugin set my-plugin \
PARAM1=value1 \
PARAM2=value2
# 创建插件
docker plugin create my-plugin ./plugin-dir
插件目录结构:
my-plugin/
├── config.json
├── rootfs/
│ └── ...
└── plugin.spec
插件配置文件:
{
"description": "My custom Docker plugin",
"documentation": "https://docs.example.com",
"entrypoint": ["/plugin/my-plugin"],
"interface": {
"types": ["docker.volumedriver/1.0"],
"socket": "my-plugin.sock"
},
"workdir": "/plugin",
"user": {
"uid": 0,
"gid": 0
},
"env": [
{
"name": "DEBUG",
"description": "Enable debug mode",
"value": "false",
"settable": ["value"]
}
],
"args": {
"name": "my-plugin",
"description": "My custom plugin",
"settable": ["value"],
"value": []
}
}
插件实现:
#!/usr/bin/env python3
# my-plugin.py
import json
import os
import socket
import sys
from http.server import HTTPServer, BaseHTTPRequestHandler
class PluginHandler(BaseHTTPRequestHandler):
def do_POST(self):
content_length = int(self.headers['Content-Length'])
post_data = self.rfile.read(content_length)
if self.path == '/Plugin.Activate':
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.end_headers()
response = json.dumps({
'Implements': ['VolumeDriver']
})
self.wfile.write(response.encode())
elif self.path == '/VolumeDriver.Create':
data = json.loads(post_data)
# 创建卷逻辑
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.end_headers()
response = json.dumps({})
self.wfile.write(response.encode())
elif self.path == '/VolumeDriver.Remove':
data = json.loads(post_data)
# 删除卷逻辑
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.end_headers()
response = json.dumps({})
self.wfile.write(response.encode())
elif self.path == '/VolumeDriver.Mount':
data = json.loads(post_data)
# 挂载卷逻辑
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.end_headers()
response = json.dumps({
'Mountpoint': '/mnt/volumes/' + data['Name']
})
self.wfile.write(response.encode())
elif self.path == '/VolumeDriver.Unmount':
data = json.loads(post_data)
# 卸载卷逻辑
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.end_headers()
response = json.dumps({})
self.wfile.write(response.encode())
elif self.path == '/VolumeDriver.Path':
data = json.loads(post_data)
# 获取卷路径
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.end_headers()
response = json.dumps({
'Mountpoint': '/mnt/volumes/' + data['Name']
})
self.wfile.write(response.encode())
def main():
server = HTTPServer(('localhost', 8080), PluginHandler)
print('Plugin server running on port 8080')
server.serve_forever()
if __name__ == '__main__':
main()
网络驱动API:
网络驱动API:
┌──────────────────┬──────────────┬──────────────┐
│ 方法 │ 功能 │ 参数 │
├──────────────────┼──────────────┼──────────────┤
│ CreateNetwork │ 创建网络 │ NetworkID │
│ DeleteNetwork │ 删除网络 │ NetworkID │
│ CreateEndpoint │ 创建端点 │ NetworkID │
│ DeleteEndpoint │ 删除端点 │ NetworkID │
│ Join │ 加入网络 │ NetworkID │
│ Leave │ 离开网络 │ NetworkID │
│ ProgramExternalConnectivity │ 配置外部连接 │
│ RevokeExternalConnectivity │ 撤销外部连接 │
└──────────────────┴──────────────┴──────────────┘
网络驱动流程:
1. 创建网络 → CreateNetwork
2. 创建端点 → CreateEndpoint
3. 加入网络 → Join
4. 配置连接 → ProgramExternalConnectivity
5. 离开网络 → Leave
6. 删除端点 → DeleteEndpoint
7. 删除网络 → DeleteNetwork
网络驱动实现:
#!/usr/bin/env python3
# network-driver.py
import json
import subprocess
from http.server import HTTPServer, BaseHTTPRequestHandler
class NetworkDriverHandler(BaseHTTPRequestHandler):
def do_POST(self):
content_length = int(self.headers['Content-Length'])
post_data = self.rfile.read(content_length)
if self.path == '/Plugin.Activate':
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.end_headers()
response = json.dumps({
'Implements': ['NetworkDriver']
})
self.wfile.write(response.encode())
elif self.path == '/NetworkDriver.CreateNetwork':
data = json.loads(post_data)
network_id = data['NetworkID']
options = data.get('Options', {})
# 创建网络逻辑
self.create_network(network_id, options)
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.end_headers()
response = json.dumps({})
self.wfile.write(response.encode())
elif self.path == '/NetworkDriver.DeleteNetwork':
data = json.loads(post_data)
network_id = data['NetworkID']
# 删除网络逻辑
self.delete_network(network_id)
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.end_headers()
response = json.dumps({})
self.wfile.write(response.encode())
elif self.path == '/NetworkDriver.CreateEndpoint':
data = json.loads(post_data)
network_id = data['NetworkID']
endpoint_id = data['EndpointID']
interface = data['Interface']
# 创建端点逻辑
mac_address, ip_address = self.create_endpoint(network_id, endpoint_id, interface)
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.end_headers()
response = json.dumps({
'Interface': {
'MacAddress': mac_address,
'Address': ip_address
}
})
self.wfile.write(response.encode())
elif self.path == '/NetworkDriver.Join':
data = json.loads(post_data)
network_id = data['NetworkID']
endpoint_id = data['EndpointID']
# 加入网络逻辑
interface_name = self.join_network(network_id, endpoint_id)
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.end_headers()
response = json.dumps({
'InterfaceName': {
'SrcName': interface_name,
'DstPrefix': 'eth'
}
})
self.wfile.write(response.encode())
def create_network(self, network_id, options):
# 创建网桥
bridge_name = f'br-{network_id[:12]}'
subprocess.run(['ip', 'link', 'add', 'name', bridge_name, 'type', 'bridge'])
subprocess.run(['ip', 'link', 'set', bridge_name, 'up'])
# 配置网桥
subnet = options.get('com.docker.network.bridge.default_bridge', '172.18.0.0/16')
subprocess.run(['ip', 'addr', 'add', subnet, 'dev', bridge_name])
def delete_network(self, network_id):
# 删除网桥
bridge_name = f'br-{network_id[:12]}'
subprocess.run(['ip', 'link', 'del', bridge_name])
def create_endpoint(self, network_id, endpoint_id, interface):
# 创建veth pair
veth_name = f'veth-{endpoint_id[:12]}'
bridge_name = f'br-{network_id[:12]}'
subprocess.run(['ip', 'link', 'add', veth_name, 'type', 'veth', 'peer', 'name', f'{veth_name}-p'])
subprocess.run(['ip', 'link', 'set', veth_name, 'master', bridge_name])
subprocess.run(['ip', 'link', 'set', veth_name, 'up'])
# 生成MAC地址和IP地址
mac_address = '02:42:ac:12:00:02'
ip_address = '172.18.0.2/16'
return mac_address, ip_address
def join_network(self, network_id, endpoint_id):
# 返回接口名称
veth_name = f'veth-{endpoint_id[:12]}'
return f'{veth_name}-p'
def main():
server = HTTPServer(('localhost', 8080), NetworkDriverHandler)
print('Network driver running on port 8080')
server.serve_forever()
if __name__ == '__main__':
main()
安装自定义网络驱动:
# 创建插件目录
mkdir -p my-network-plugin/rootfs
# 创建配置文件
cat > my-network-plugin/config.json <<EOF
{
"description": "Custom network driver",
"documentation": "https://docs.example.com",
"entrypoint": ["/plugin/network-driver.py"],
"interface": {
"types": ["docker.networkdriver/1.0"],
"socket": "network-driver.sock"
},
"workdir": "/plugin",
"env": [
{
"name": "DEBUG",
"description": "Enable debug mode",
"value": "false"
}
]
}
EOF
# 创建插件
docker plugin create my-network-driver my-network-plugin
# 启用插件
docker plugin enable my-network-driver
# 使用自定义网络驱动创建网络
docker network create \
--driver my-network-driver \
--subnet=172.20.0.0/16 \
my-custom-network
# 使用自定义网络
docker run -d --network my-custom-network nginx
存储驱动API:
存储驱动API:
┌──────────────────┬──────────────┬──────────────┐
│ 方法 │ 功能 │ 参数 │
├──────────────────┼──────────────┼──────────────┤
│ Create │ 创建卷 │ Name, Options│
│ Remove │ 删除卷 │ Name │
│ Mount │ 挂载卷 │ Name, ID │
│ Unmount │ 卸载卷 │ Name, ID │
│ Path │ 获取路径 │ Name │
│ Get │ 获取卷信息 │ Name │
│ List │ 列出卷 │ - │
│ Capabilities │ 获取能力 │ - │
└──────────────────┴──────────────┴──────────────┘
存储驱动流程:
1. 创建卷 → Create
2. 挂载卷 → Mount
3. 使用卷 → 容器使用
4. 卸载卷 → Unmount
5. 删除卷 → Remove
存储驱动实现:
#!/usr/bin/env python3
# volume-driver.py
import json
import os
import shutil
from http.server import HTTPServer, BaseHTTPRequestHandler
class VolumeDriverHandler(BaseHTTPRequestHandler):
def __init__(self, *args, **kwargs):
self.volume_dir = '/mnt/volumes'
super().__init__(*args, **kwargs)
def do_POST(self):
content_length = int(self.headers['Content-Length'])
post_data = self.rfile.read(content_length)
if self.path == '/Plugin.Activate':
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.end_headers()
response = json.dumps({
'Implements': ['VolumeDriver']
})
self.wfile.write(response.encode())
elif self.path == '/VolumeDriver.Create':
data = json.loads(post_data)
name = data['Name']
options = data.get('Opts', {})
# 创建卷
self.create_volume(name, options)
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.end_headers()
response = json.dumps({})
self.wfile.write(response.encode())
elif self.path == '/VolumeDriver.Remove':
data = json.loads(post_data)
name = data['Name']
# 删除卷
self.remove_volume(name)
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.end_headers()
response = json.dumps({})
self.wfile.write(response.encode())
elif self.path == '/VolumeDriver.Mount':
data = json.loads(post_data)
name = data['Name']
mount_id = data['ID']
# 挂载卷
mountpoint = self.mount_volume(name, mount_id)
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.end_headers()
response = json.dumps({
'Mountpoint': mountpoint
})
self.wfile.write(response.encode())
elif self.path == '/VolumeDriver.Unmount':
data = json.loads(post_data)
name = data['Name']
mount_id = data['ID']
# 卸载卷
self.unmount_volume(name, mount_id)
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.end_headers()
response = json.dumps({})
self.wfile.write(response.encode())
elif self.path == '/VolumeDriver.Path':
data = json.loads(post_data)
name = data['Name']
# 获取卷路径
path = self.get_volume_path(name)
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.end_headers()
response = json.dumps({
'Mountpoint': path
})
self.wfile.write(response.encode())
elif self.path == '/VolumeDriver.Get':
data = json.loads(post_data)
name = data['Name']
# 获取卷信息
volume_info = self.get_volume(name)
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.end_headers()
response = json.dumps({
'Volume': volume_info
})
self.wfile.write(response.encode())
elif self.path == '/VolumeDriver.List':
# 列出所有卷
volumes = self.list_volumes()
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.end_headers()
response = json.dumps({
'Volumes': volumes
})
self.wfile.write(response.encode())
elif self.path == '/VolumeDriver.Capabilities':
# 获取能力
capabilities = self.get_capabilities()
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.end_headers()
response = json.dumps({
'Capabilities': capabilities
})
self.wfile.write(response.encode())
def create_volume(self, name, options):
volume_path = os.path.join(self.volume_dir, name)
os.makedirs(volume_path, exist_ok=True)
print(f'Created volume: {name}')
def remove_volume(self, name):
volume_path = os.path.join(self.volume_dir, name)
if os.path.exists(volume_path):
shutil.rmtree(volume_path)
print(f'Removed volume: {name}')
def mount_volume(self, name, mount_id):
volume_path = os.path.join(self.volume_dir, name)
return volume_path
def unmount_volume(self, name, mount_id):
# 无需操作
pass
def get_volume_path(self, name):
return os.path.join(self.volume_dir, name)
def get_volume(self, name):
volume_path = os.path.join(self.volume_dir, name)
return {
'Name': name,
'Mountpoint': volume_path,
'Status': {}
}
def list_volumes(self):
volumes = []
if os.path.exists(self.volume_dir):
for name in os.listdir(self.volume_dir):
volume_path = os.path.join(self.volume_dir, name)
if os.path.isdir(volume_path):
volumes.append({
'Name': name,
'Mountpoint': volume_path
})
return volumes
def get_capabilities(self):
return {
'Scope': 'local'
}
def main():
server = HTTPServer(('localhost', 8080), VolumeDriverHandler)
print('Volume driver running on port 8080')
server.serve_forever()
if __name__ == '__main__':
main()
安装自定义存储驱动:
# 创建插件目录
mkdir -p my-volume-plugin/rootfs
# 创建配置文件
cat > my-volume-plugin/config.json <<EOF
{
"description": "Custom volume driver",
"documentation": "https://docs.example.com",
"entrypoint": ["/plugin/volume-driver.py"],
"interface": {
"types": ["docker.volumedriver/1.0"],
"socket": "volume-driver.sock"
},
"workdir": "/plugin",
"mounts": [
{
"name": "volumes",
"description": "Volume storage",
"source": "/mnt/volumes",
"destination": "/mnt/volumes",
"type": "bind",
"options": ["rbind", "rw"]
}
]
}
EOF
# 创建插件
docker plugin create my-volume-driver my-volume-plugin
# 启用插件
docker plugin enable my-volume-driver
# 使用自定义存储驱动创建卷
docker volume create \
--driver my-volume-driver \
my-custom-volume
# 使用自定义卷
docker run -d \
--volume my-custom-volume:/app/data \
nginx
# 查看卷
docker volume ls
# 输出
DRIVER VOLUME NAME
my-volume-driver my-custom-volume
服务网格架构:
Docker Swarm服务网格:
┌─────────────────────────────────────────┐
│ Service Mesh │
├─────────────────────────────────────────┤
│ │
│ ┌─────────────────────────────────┐ │
│ │ Ingress Network │ │
│ │ (Routing Mesh) │ │
│ └─────────────────────────────────┘ │
│ ↓ │
│ ┌─────────────────────────────────┐ │
│ │ Service Discovery │ │
│ │ (DNS-based) │ │
│ └─────────────────────────────────┘ │
│ ↓ │
│ ┌─────────────────────────────────┐ │
│ │ Load Balancer │ │
│ │ (VIP-based) │ │
│ └─────────────────────────────────┘ │
│ ↓ │
│ ┌─────────────────────────────────┐ │
│ │ Service Tasks │ │
│ │ (Containers) │ │
│ └─────────────────────────────────┘ │
└─────────────────────────────────────────┘
服务网格配置:
# docker-compose.yml
version: '3.8'
services:
web:
image: nginx:alpine
deploy:
replicas: 3
update_config:
parallelism: 1
delay: 10s
failure_action: rollback
rollback_config:
parallelism: 1
delay: 10s
restart_policy:
condition: on-failure
delay: 5s
max_attempts: 3
resources:
limits:
cpus: '0.5'
memory: 512M
reservations:
cpus: '0.25'
memory: 256M
labels:
- "com.docker.lb.hosts=web.example.com"
- "com.docker.lb.port=80"
networks:
- web-network
healthcheck:
test: ["CMD", "wget", "--quiet", "--tries=1", "--spider", "http://localhost/"]
interval: 30s
timeout: 3s
retries: 3
start_period: 10s
api:
image: myapi:latest
deploy:
replicas: 2
resources:
limits:
cpus: '0.5'
memory: 512M
networks:
- api-network
environment:
- DB_HOST=db
depends_on:
- db
db:
image: postgres:15-alpine
deploy:
replicas: 1
resources:
limits:
cpus: '1.0'
memory: 1G
networks:
- db-network
volumes:
- db_data:/var/lib/postgresql/data
networks:
web-network:
driver: overlay
attachable: true
api-network:
driver: overlay
attachable: true
db-network:
driver: overlay
attachable: true
volumes:
db_data:
配置和密钥管理:
# docker-compose.yml
version: '3.8'
configs:
nginx_config:
file: ./nginx.conf
app_config:
file: ./app.conf
secrets:
db_password:
file: ./db_password.txt
api_key:
file: ./api_key.txt
services:
web:
image: nginx:alpine
configs:
- source: nginx_config
target: /etc/nginx/nginx.conf
secrets:
- source: api_key
target: /run/secrets/api_key
deploy:
replicas: 2
networks:
- web-network
app:
image: myapp:latest
configs:
- source: app_config
target: /app/config/app.conf
secrets:
- source: db_password
target: /run/secrets/db_password
environment:
- DB_PASSWORD_FILE=/run/secrets/db_password
deploy:
replicas: 3
networks:
- app-network
networks:
web-network:
driver: overlay
app-network:
driver: overlay
配置文件示例:
# nginx.conf
events {
worker_connections 1024;
}
http {
upstream app {
server app:3000;
}
server {
listen 80;
location / {
proxy_pass http://app;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
}
location /health {
return 200 'OK';
add_header Content-Type text/plain;
}
}
}
Docker与Kubernetes关系:
Docker与Kubernetes:
┌─────────────────────────────────────────┐
│ Kubernetes Cluster │
├─────────────────────────────────────────┤
│ │
│ ┌─────────────────────────────────┐ │
│ │ Master Node │ │
│ │ ├─ API Server │ │
│ │ ├─ Scheduler │ │
│ │ ├─ Controller Manager │ │
│ │ └─ etcd │ │
│ └─────────────────────────────────┘ │
│ │
│ ┌─────────────────────────────────┐ │
│ │ Worker Nodes │ │
│ │ ├─ kubelet │ │
│ │ ├─ kube-proxy │ │
│ │ └─ Container Runtime (Docker) │ │
│ └─────────────────────────────────┘ │
└─────────────────────────────────────────┘
Kubernetes部署示例:
# kubernetes-deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: web-app
labels:
app: web
spec:
replicas: 3
selector:
matchLabels:
app: web
template:
metadata:
labels:
app: web
spec:
containers:
- name: web
image: nginx:alpine
ports:
- containerPort: 80
resources:
limits:
cpu: "500m"
memory: "512Mi"
requests:
cpu: "250m"
memory: "256Mi"
livenessProbe:
httpGet:
path: /health
port: 80
initialDelaySeconds: 30
periodSeconds: 10
readinessProbe:
httpGet:
path: /health
port: 80
initialDelaySeconds: 5
periodSeconds: 5
volumeMounts:
- name: config
mountPath: /etc/nginx/nginx.conf
subPath: nginx.conf
volumes:
- name: config
configMap:
name: nginx-config
---
apiVersion: v1
kind: Service
metadata:
name: web-service
spec:
selector:
app: web
ports:
- protocol: TCP
port: 80
targetPort: 80
type: LoadBalancer
---
apiVersion: v1
kind: ConfigMap
metadata:
name: nginx-config
data:
nginx.conf: |
events {
worker_connections 1024;
}
http {
server {
listen 80;
location / {
root /usr/share/nginx/html;
index index.html;
}
location /health {
return 200 'OK';
add_header Content-Type text/plain;
}
}
}
转换工具:
# 安装kompose
curl -L https://github.com/kubernetes/kompose/releases/download/v1.26.0/kompose-linux-amd64 -o kompose
chmod +x kompose
sudo mv ./kompose /usr/local/bin/kompose
# 转换Docker Compose到Kubernetes
kompose convert -f docker-compose.yml
# 输出
INFO Kubernetes file "web-service.yaml" created
INFO Kubernetes file "web-deployment.yaml" created
INFO Kubernetes file "db-service.yaml" created
INFO Kubernetes file "db-deployment.yaml" created
# 部署到Kubernetes
kubectl apply -f web-service.yaml,web-deployment.yaml,db-service.yaml,db-deployment.yaml
Docker插件机制:
├─ 插件类型: 网络、存储、认证、日志
├─ 插件管理: 安装、启用、禁用、删除
├─ 插件开发: 配置文件、实现API
└─ 插件通信: Unix Socket、TCP Socket
自定义网络驱动:
├─ 网络驱动API: CreateNetwork、DeleteNetwork等
├─ 实现原理: 网桥、veth pair
└─ 使用方法: 创建网络、使用网络
自定义存储驱动:
├─ 存储驱动API: Create、Mount、Unmount等
├─ 实现原理: 目录管理、挂载点
└─ 使用方法: 创建卷、使用卷
Docker Swarm高级特性:
├─ 服务网格: 路由网格、服务发现、负载均衡
├─ 配置管理: Config、Secret
├─ 滚动更新: 并行更新、回滚
└─ 资源管理: 限制、预留
Kubernetes集成:
├─ 容器运行时: Docker作为容器运行时
├─ 部署方式: Deployment、Service、ConfigMap
└─ 转换工具: kompose
下一章: Docker未来展望
将学习:
插件管理: 安装和管理一个Docker插件。
网络驱动: 实现一个简单的网络驱动。
存储驱动: 实现一个简单的存储驱动。
服务网格: 配置Docker Swarm服务网格。
配置管理: 使用Config和Secret管理配置。
Kubernetes转换: 将Docker Compose转换为Kubernetes部署。
自定义插件: 开发一个完整的Docker插件,包含:
高级编排: 搭建一个生产级编排系统,包含: