IDEA配合Docker插件进行一键部署
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服务器装好Docker环境，并且开放docker端口且加密给外部访问
参考：https://www.cnblogs.com/haoxianrui/p/15322508.html#1-docker-开启远程访问 -
springboot 中进行配置
多模块项目，在最外层的pom文件中进行 build 配置
<build>
<!--使打包的 jar 包名称就没有版本号-->
<finalName>$project.artifactId</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.19.1</version>
<configuration>
<skipTests>true</skipTests> <!--默认关掉单元测试 -->
</configuration>
</plugin>
</plugins>
</build>
- 编写 Dockerfile 配置文件
# 基础镜像
FROM openjdk:8-jre
# 维护者信息
MAINTAINER pzi<pzi@qq.com>
# 设置容器时区为当前时区
RUN /bin/cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \\&& echo \'Asia/Shanghai\' >/etc/timezone
# /tmp 目录作为容器数据卷目录，SpringBoot内嵌Tomcat容器默认使用/tmp作为工作目录，任何向 /tmp 中写入的信息不会记录进容器存储层
# 在宿主机的/var/lib/docker目录下创建一个临时文件并把它链接到容器中的/tmp目录
VOLUME /tmp
# 复制主机文件至镜像内，复制的目录需放置在 Dockerfile 文件同级目录下
ADD msgdemoimpl/target/msgdemoimpl.jar app.jar
# 容器启动执行命令
ENTRYPOINT ["java", "-Xmx128m", "-Djava.security.egd=file:/dev/./urandom", "-jar", "/app.jar"]
# 声明容器提供服务端口
EXPOSE 8800
4. idea 中配置 docker
● 配置端口以及容器名字
这样的话，就会按照命令 docker -p -d 8800:8800 msgdemo:1.0 的方式启动镜像。
- 最后，直接运行即可将 jar 包成功部署到服务器
√ TODO 使用dockerfile部署一个jar包 并且测试能否跑通
踩坑：暴露端口后，还需要指定主机端口和容器端口的映射关系，这样才能正确访问接口
tips:
删除 docker images 中REPOSITORY 和 TAG 都为 none 的镜像
docker rmi $(docker images -f "dangling=true" -q)
IDEA集成Docker插件实现项目打包镜像一键部署与Docker CA加密认证
@[TOC](IDEA集成Docker插件实现项目打包镜像一键部署与Docker CA加密认证)
Docker开启远程访问
修改该Docker服务文件
#修改Docker服务文件
vim /lib/systemd/system/docker.service
# 通常使用端口2375与守护进程进行非加密通信，使用端口2376与守护进程进行加密通信。
#修改ExecStart行，添加如下配置
-H tcp://0.0.0.0:2375 -H unix:///var/run/docker.sock[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
# 注释最初配置
# ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
# 开启远程访问
ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock -H tcp://0.0.0.0:2375 -H unix:///var/run/docker.sock
ExecReload=/bin/kill -s HUP $MAINPID
TimeoutSec=0
RestartSec=2
Restart=always加载配置与重启
重新加载配置文件
systemctl daemon-reload重启服务
systemctl restart docker.service验证是否开启成功
查看端口是否开启
netstat -antp | grep dockerd #如果找不到netstat命令，使用yum install net-tools安装
[root@administrator ~]# netstat -antp | grep dockerd
tcp6 0 0 :::2375 :::* LISTEN 4514/dockerd 直接curl看是否生效，测试通过localhost是否能使用Docker Engine API
curl http://127.0.0.1:2375/info
curl http://localhost:2375/version访问：http://ip:2375/version测试远程能否通过主机IP使用Docker Engine API
IDEA配置docker
IDEA安装Docker插件
#作者信息
MAINTAINER author_information
#申明一个环境变量
ENV HOME_PATH /home
#指定容器启动时，执行命令会在该目录下执行
WORKDIR $HOME_PATH
#应用构建成功后的jar复制到容器指定目录下
ADD target/SpringBoot-0.0.1-SNAPSHOT.jar $HOME_PATH/app.jar
#指定容器内部端口
EXPOSE 8888
#容器启动时执行的命令
ENTRYPOINT ["java","-jar","app.jar"]
## 创建Dockerfile配置
Name: 配置名称
Server: 选择Docker远程连接配置
Build
Dockerfile：选择编写的Dockerfile文件
Image tag：设置生成镜像的名称
Run：容器运行相关的额外配置
Container name ：设置容器名称
Bind ports： 端口绑定
Before launch： 配置运行前进行的额外操作
clean package -DskipTests ：重新编译构建：清理、打包、跳过测试
## 执行Dockerfile配置
maven构建信息
```java
[INFO] --- maven-resources-plugin:3.1.0:testResources (default-testResources) @ SpringBoot ---
[INFO] Using UTF-8 encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory D:\\WorkSpace\\SpringBoot\\SpringBoot\\src\\test\\resources
[INFO]
[INFO] --- maven-compiler-plugin:3.8.1:testCompile (default-testCompile) @ SpringBoot ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 2 source files to D:\\WorkSpace\\SpringBoot\\SpringBoot\\target\\test-classes
[INFO]
[INFO] --- maven-surefire-plugin:2.22.2:test (default-test) @ SpringBoot ---
[INFO] Tests are skipped.
[INFO]
[INFO] --- maven-jar-plugin:3.2.0:jar (default-jar) @ SpringBoot ---
[INFO] Building jar: D:\\WorkSpace\\SpringBoot\\SpringBoot\\target\\SpringBoot-0.0.1-SNAPSHOT.jar
[INFO]
[INFO] --- spring-boot-maven-plugin:2.3.2.RELEASE:repackage (repackage) @ SpringBoot ---
[INFO] Replacing main artifact with repackaged archive
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 8.479 s
[INFO] Finished at: 2021-12-13T10:52:41+08:00
[INFO] ------------------------------------------------------------------------
Process finished with exit code 0Docker构建信息
Deploying app Dockerfile: Dockerfile...
Building image...
Preparing build context archive...
[==================================================>]231/231 files
Done
Sending build context to Docker daemon...
[==================================================>] 45.36MB
Done
Step 1/7 : FROM openjdk:8
8: Pulling from library/openjdk
5e0b432e8ba9: Pull complete
a84cfd68b5ce: Pull complete
e8b8f2315954: Pull complete
0598fa43a7e7: Pull complete
e0d35e3be804: Pull complete
cc526d02f40c: Pull complete
94f9f735b512: Pull complete
Digest: sha256:d847fdd469a97814a8c118bdb887402a629539002a8c95e4c288ba9389023273
Status: Downloaded newer image for openjdk:8
---> 5bbce51c9625
Step 2/7 : MAINTAINER author_information
---> Running in 6c284c4b5760
Removing intermediate container 6c284c4b5760
---> 69667ca16305
Step 3/7 : ENV HOME_PATH /home
---> Running in a7db17091292
Removing intermediate container a7db17091292
---> b4ea04a3f9e0
Step 4/7 : WORKDIR $HOME_PATH
---> Running in d30dd81b060c
Removing intermediate container d30dd81b060c
---> e0d7d8612471
Step 5/7 : ADD target/SpringBoot-0.0.1-SNAPSHOT.jar $HOME_PATH/app.jar
---> 9311a765d1fa
Step 6/7 : EXPOSE 8888
---> Running in 886760657fbf
Removing intermediate container 886760657fbf
---> 7eb01ec04b2b
Step 7/7 : ENTRYPOINT ["java","-jar","app.jar"]
---> Running in 52302bde47df
Removing intermediate container 52302bde47df
---> a5fe639b0ea4
Successfully built a5fe639b0ea4
Successfully tagged app-image:latest
Creating container...
Container Id: 1fa00700d7e44008c0147537633f989f5e0dad2ec2feb0d4dcf536f47eba07a5
Container name: app
Starting container app
app Dockerfile: Dockerfile has been deployed successfully.项目启动信息
. ____ _ __ _ _
2021-12-13T02:52:50.486656996Z /\\\\ / ____ __ _ _(_)_ __ __ _ \\ \\ \\ \\
2021-12-13T02:52:50.486662053Z ( ( )\\___ | _ | _| | _ \\/ _` | \\ \\ \\ \\
2021-12-13T02:52:50.486666493Z \\\\/ ___)| |_)| | | | | || (_| | ) ) ) )
2021-12-13T02:52:50.486670850Z |____| .__|_| |_|_| |_\\__, | / / / /
2021-12-13T02:52:50.486682355Z =========|_|==============|___/=/_/_/_/
2021-12-13T02:52:50.486687022Z :: Spring Boot :: (v2.3.2.RELEASE)
2021-12-13T02:52:50.486692068Z
2021-12-13T02:52:50.943602301Z 2021-12-13 02:52:50.923 INFO 1 --- [ main] cn.ybzy.demo.Application : Starting Application v0.0.1-SNAPSHOT on 78ccbfcfd8b7 with PID 1 (/home/app.jar started by root in /home)
2021-12-13T02:52:50.943714240Z 2021-12-13 02:52:50.933 INFO 1 --- [ main] cn.ybzy.demo.Application : No active profile set, falling back to default profiles: default
2021-12-13T02:52:55.388436890Z 2021-12-13 02:52:55.374 INFO 1 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8888 (http)
2021-12-13T02:52:55.417423600Z 2021-12-13 02:52:55.406 INFO 1 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2021-12-13T02:52:55.417479871Z 2021-12-13 02:52:55.407 INFO 1 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.37]
2021-12-13T02:52:55.593516194Z 2021-12-13 02:52:55.583 INFO 1 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2021-12-13T02:52:55.593571747Z 2021-12-13 02:52:55.583 INFO 1 --- [ main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 4421 ms
2021-12-13T02:52:56.333579730Z _ _ |_ _ _|_. ___ _ | _
2021-12-13T02:52:56.333687060Z | | |\\/|_)(_| | |_\\ |_)||_|_\\
2021-12-13T02:52:56.333693146Z / |
2021-12-13T02:52:56.333697576Z 3.3.2
2021-12-13T02:52:57.522491446Z 2021-12-13 02:52:57.512 INFO 1 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Initializing ExecutorService applicationTaskExecutor
2021-12-13T02:52:58.490595954Z 2021-12-13 02:52:58.487 INFO 1 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8888 (http) with context path
2021-12-13T02:52:58.516487066Z 2021-12-13 02:52:58.514 INFO 1 --- [ main] cn.ybzy.demo.Application : Started Application in 9.952 seconds (JVM running for 11.366)
2021-12-13T02:53:03.163608112Z 2021-12-13 02:53:03.159 INFO 1 --- [nio-8888-exec-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring DispatcherServlet dispatcherServlet
2021-12-13T02:53:03.163727603Z 2021-12-13 02:53:03.159 INFO 1 --- [nio-8888-exec-1] o.s.web.servlet.DispatcherServlet : Initializing Servlet dispatcherServlet
2021-12-13T02:53:03.179540679Z 2021-12-13 02:53:03.173 INFO 1 --- [nio-8888-exec-1] o.s.web.servlet.DispatcherServlet : Completed initialization in 14 ms访问IP:9999/test测试
docker-maven-plugin
配置pom.xml构建信息
<properties>
<java.version>1.8</java.version>
<docker.image.prefix>docker</docker.image.prefix>
</properties>
<plugin>
<groupId>com.spotify</groupId>
<artifactId>docker-maven-plugin</artifactId>
<version>1.0.0</version>
<configuration>
<!-- 镜像名称 docker/springboot-->
<imageName>$docker.image.prefix/$project.artifactId</imageName>
<!--指定标签-->
<imageTags>
<imageTag>latest</imageTag>
</imageTags>
<!-- 基础镜像-->
<baseImage>openjdk:8</baseImage>
<!-- 制作者提供本人信息 -->
<maintainer>author author@gmail.com</maintainer>
<!--切换到/home目录 -->
<workdir>/home</workdir>
<cmd>["java", "-version"]</cmd>
<!--$project.build.finalName.jar" 指的是打包后的jar包文件-->
<entryPoint>["java", "-jar", "$project.build.finalName.jar"]</entryPoint>
<!-- 指定Dockerfile路径
<dockerDirectory>$project.basedir/src/main/docker</dockerDirectory>
-->
<!--指定远程docker api地址-->
<dockerHost>http://IP:2375</dockerHost>
<!-- 复制jar包到docker容器指定目录 -->
<resources>
<resource>
<targetPath>/home</targetPath>
<!--指定需要复制的根目录，$project.build.directory 表示target目录-->
<directory>$project.build.directory</directory>
<!--指定需要复制的文件，$project.build.finalName.jar 指的是打包后的jar包文件-->
<include>$project.build.finalName.jar</include>
</resource>
</resources>
</configuration>
</plugin>使用docker-maven插件自动生成如下文件：
FROM openjdk:8
MAINTAINER author author@gmail.com
WORKDIR /home
ADD /home/springboot-0.0.1-SNAPSHOT.jar /home/
ENTRYPOINT ["java", "-jar", "springboot-0.0.1-SNAPSHOT.jar"]
CMD ["java", "-version"]打包构建镜像
对项目进行打包并构建镜像到Docker上
mvn clean package docker:build构建镜像信息
[INFO] Building image docker/springboot
Step 1/6 : FROM openjdk:8
---> 5bbce51c9625
Step 2/6 : MAINTAINER author author@gmail.com
---> Running in 26d43778f848
Removing intermediate container 26d43778f848
---> e84687af3956
Step 3/6 : WORKDIR /home
---> Running in d40701dc2fa2
Removing intermediate container d40701dc2fa2
---> c13ff0ee15ad
Step 4/6 : ADD /home/springboot-0.0.1-SNAPSHOT.jar /home/
---> 38c6d5dc9d29
Step 5/6 : ENTRYPOINT ["java", "-jar", "springboot-0.0.1-SNAPSHOT.jar"]
---> Running in 1b7e13b193cd
Removing intermediate container 1b7e13b193cd
---> 309a61b47f49
Step 6/6 : CMD ["java", "-version"]
---> Running in 14c3ab54e4d9
Removing intermediate container 14c3ab54e4d9
---> 26ae18adc558
ProgressMessageid=null, status=null, stream=null, error=null, progress=null, progressDetail=null
Successfully built 26ae18adc558
Successfully tagged docker/springboot:latest
[INFO] Built docker/springboot
[INFO] Tagging docker/springboot with latest
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 24.674 s
[INFO] Finished at: 2021-12-13T11:30:45+08:00
[INFO] ------------------------------------------------------------------------
Process finished with exit code 0查看镜像
[root@administrator ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
docker/springboot latest 26ae18adc558 2 minutes ago 557MB绑定Docker命令到Maven各个阶段
可以把Docker分为build、tag、push，然后分别绑定Maven的package、deploy 阶段
mvn deploy：完成整个 build、tag、push操作
mvn build：完成build、tag 操作
-DskipDockerBuild： 跳过build镜像
-DskipDockerTag： 跳过tag镜像
-DskipDockerPush： 跳过push镜像
-DskipDocker： 跳过整个阶段
mvn package -DskipDockerTag： 跳过tag过程 </configuration>
<executions>
<!--当执行mvn package时，执行： mvn clean package docker:build -->
<execution>
<id>build-image</id>
<phase>package</phase>
<goals>
<goal>build</goal>
</goals>
</execution>
<!--当执行mvn package时，会对镜像进行标签设定-->
<execution>
<id>tag-image</id>
<phase>package</phase>
<goals>
<goal>tag</goal>
</goals>
<configuration>
<image>$docker.image.prefix/$project.artifactId:latest</image>
<newName>$docker.image.prefix/$project.artifactId:$project.version</newName>
</configuration>
</execution>
<execution>
<id>push-image</id>
<phase>deploy</phase>
<goals>
<goal>push</goal>
</goals>
<configuration>
<imageName>$docker.image.prefix/$project.artifactId:$project.version</imageName>
</configuration>
</execution>
</executions>
</plugin>使用私有Docker仓库地址
创建私有仓库
docker run -di --name=registry -p 5000:5000 registry修改daemon.json，添加docker信任的私有仓库地址
vi /etc/docker/daemon.json
"insecure-registries":["Ip:5000"]
重启docker 服务
systemctl restart docker修改POM文件
<configuration>
<!--将镜像推送到Docker私有仓库-->
<registryUrl>IP:5000</registryUrl>
<pushImage>true</pushImage>
<imageName>IP:5000/$docker.image.prefix/$project.artifactId:$project.version</imageName>
</configuration>执行mvn deploy，查看私有仓库http://IP:5000/v2/_catalog
Docker CA加密认证
官方Demo：https://docs.docker.com/engine/security/https/#create-a-ca-server-and-client-keys-with-openssl
Docker认证命令配置
创建ca文件夹，存放CA私钥和公钥
mkdir ca && cd ca在Docker守护进程的主机上，生成CA私钥和公钥
openssl genrsa -aes256 -out ca-key.pem 4096执行命令后，要求设置密码，输入密码以及再次输入密码确认
[root@administrator ca]# openssl genrsa -aes256 -out ca-key.pem 4096
Generating RSA private key, 4096 bit long modulus
................................................................................................................................................................................++
............................................................................................................................................++
e is 65537 (0x10001)
Enter pass phrase for ca-key.pem:
Verifying - Enter pass phrase for ca-key.pem:
[root@administrator ca]# ls
ca-key.pem
[root@administrator ca]# 补全CA证书信息，依次输入密码、国家、省、市、组织名称、邮箱等信息
openssl req -new -x509 -days 365 -key ca-key.pem -sha256 -out ca.pem[root@administrator ca]# openssl req -new -x509 -days 365 -key ca-key.pem -sha256 -out ca.pem
Enter pass phrase for ca-key.pem:
You are about to be asked to enter information that will be incorporated
into your certificate request.
What you are about to enter is what is called a Distinguished Name or a DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,
If you enter ., the field will be left blank.
-----
Country Name (2 letter code) [XX]:CN
State or Province Name (full name) []:SC
Locality Name (eg, city) [Default City]:CD
Organization Name (eg, company) [Default Company Ltd]:YBZY
Organizational Unit Name (eg, section) []:YBZY
Common Name (eg, your name or your servers hostname) []:CJ
Email Address []:admin@qq.com
[root@administrator ca]# ls
ca-key.pem ca.pem
[root@administrator ca]# 生成server-key.pem
openssl genrsa -out server-key.pem 4096[root@administrator ca]# openssl genrsa -out server-key.pem 4096
Generating RSA private key, 4096 bit long modulus
................++
...........................................................................................................................................................................................................................++
e is 65537 (0x10001)
[root@administrator ca]# ls
ca-key.pem ca.pem server-key.pem
[root@administrator ca]#
CA来签署公钥
[root@administrator ca]# openssl req -subj "/CN=x.x.x.x" -sha256 -new -key server-key.pem -out server.csr
[root@administrator ca]# ls
ca-key.pem ca.pem server.csr server-key.pem
[root@administrator ca]# 配置白名单
允许指定ip可以连接到服务器的docker，可以配置多个Ip，用逗号分隔开
因为是ssl连接，所以推荐配置0.0.0.0，也就是所有ip都可以连接，但必须拥有证书的才可以连接成功ip方式
echo subjectAltName = IP:$HOST,IP:0.0.0.0 >> extfile.cnf域名方式
echo subjectAltName = DNS:$HOST,IP:0.0.0.0 >> extfile.cnf[root@administrator ca]# echo subjectAltName = IP:x.x.x.x,IP:0.0.0.0 >> extfile.cnf
[root@administrator ca]# ls
ca-key.pem ca.pem extfile.cnf server.csr server-key.pem
[root@administrator ca]# 将 Docker 守护进程密钥的扩展使用属性设置为仅用于服务器身份验证
echo extendedKeyUsage = serverAuth >> extfile.cnf[root@administrator ca]# echo extendedKeyUsage = serverAuth >> extfile.cnf
[root@administrator ca]# 生成签名证书，主要输入设置的密码
openssl x509 -req -days 365 -sha256 -in server.csr -CA ca.pem -CAkey ca-key.pem \\
> -CAcreateserial -out server-cert.pem -extfile extfile.cnf[root@administrator ca]# openssl x509 -req -days 365 -sha256 -in server.csr -CA ca.pem -CAkey ca-key.pem \\
> -CAcreateserial -out server-cert.pem -extfile extfile.cnf
Signature ok
subject=/CN=x.x.x.x
Getting CA Private Key
Enter pass phrase for ca-key.pem:
[root@administrator ca]#
[root@administrator ca]# ls
-CAcreateserial ca-key.pem ca.pem ca.srl extfile.cnf server-cert.pem server.csr server-key.pem
[root@administrator ca]# 生成客户端密匙和证书签名请求
openssl genrsa -out key.pem 4096
openssl req -subj /CN=client -new -key key.pem -out client.csr[root@administrator ca]# openssl genrsa -out key.pem 4096
Generating RSA private key, 4096 bit long modulus
...................................................................................................................++
...........................................................................................................................................................................................................................................++
e is 65537 (0x10001)
[root@administrator ca]# openssl req -subj /CN=client -new -key key.pem -out client.csr
[root@administrator ca]# ls
-CAcreateserial ca-key.pem ca.pem ca.srl client.csr extfile.cnf key.pem server-cert.pem server.csr server-key.pem
[root@administrator ca]#
使密钥适合客户端身份验证，创建扩展配置文件
echo extendedKeyUsage = clientAuth >> extfile.cnf
echo extendedKeyUsage = clientAuth > extfile-client.cnf[root@administrator ca]# echo extendedKeyUsage = clientAuth >> extfile.cnf
[root@administrator ca]# echo extendedKeyUsage = clientAuth > extfile-client.cnf
[root@administrator ca]# ls
-CAcreateserial ca-key.pem ca.pem ca.srl client.csr extfile-client.cnf extfile.cnf key.pem server-cert.pem server.csr server-key.pem
[root@administrator ca]# 生成签名证书，生成cert.pem需要输入设置的密码
openssl x509 -req -days 365 -sha256 -in client.csr -CA ca.pem -CAkey ca-key.pem -CAcreateserial -out cert.pem -extfile extfile-client.cnf[root@administrator ca]# openssl x509 -req -days 365 -sha256 -in client.csr -CA ca.pem -CAkey ca-key.pem -CAcreateserial -out cert.pem -extfile extfile-client.cnf
Signature ok
subject=/CN=client
Getting CA Private Key
Enter pass phrase for ca-key.pem:
[root@administrator ca]# ls
-CAcreateserial ca-key.pem ca.pem ca.srl cert.pem client.csr extfile-client.cnf extfile.cnf key.pem server-cert.pem server.csr server-key.pem
[root@administrator ca]#
生成cert.pem和server-cert之后。您可以安全地删除两个证书签名请求和扩展配置文件
rm -v client.csr server.csr extfile.cnf extfile-client.cnf修改权限，保护密钥意外损坏，删除写入权限，使它们只能被读取
chmod -v 0400 ca-key.pem key.pem server-key.pem证书是可以对外可读的，删除写入权限以防止意外损坏
chmod -v 0444 ca.pem server-cert.pem cert.pem将证书放在主机目录的指定位置，方便之后修改Docker的配置文件
[root@administrator ca]# cp server-*.pem /usr/local/program/docker-ca/
[root@administrator ca]# cp ca.pem /usr/local/program/docker-ca/修改Docker配置，使Docker守护程序仅接受来自提供CA信任的证书的客户端的连接
vim /lib/systemd/system/docker.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
# 最初配置
# ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
# 如下配置
ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock --tlsverify --tlscacert=/usr/local/program/docker-ca/ca.pem --tlscert=/usr/local/program/docker-ca/server-cert.pem --tlskey=/usr/local/program/docker-ca/server-key.pem -H tcp://0.0.0.0:2376 -H unix:///var/run/docker.sock
ExecReload=/bin/kill -s HUP $MAINPID
TimeoutSec=0
RestartSec=2
Restart=always重新加载daemon并重启docker
systemctl daemon-reload
systemctl restart dockerIDEA操作Docker
保存相关客户端的pem文件到本地
IDEA CA配置
注意使用https协议，非tcp协议，否则可能出现：Client sent an HTTP request to an HTTPS server
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