提升10倍生產(chǎn)力:IDEA遠程一鍵部署SpringBoot到Docker
粉絲福利1：我寫了10 萬字 Spring Boot 詳細學習筆記(帶完整目錄)+源碼，分享給大家
粉絲福利2：教妹子手擼了50個項目實戰(zhàn)后，我超神了……
IDEA是Java開發(fā)利器，springboot是Java生態(tài)中最流行的微服務框架，docker是時下最火的容器技術，那么它們結合在一起會產(chǎn)生什么化學反應呢？
一、開發(fā)前準備
1.Docker安裝
可以參考：
https://docs.docker.com/install/
2.配置docker遠程連接端口
??vi?/usr/lib/systemd/system/docker.service
找到 ExecStart，在最后面添加 -H tcp://0.0.0.0:2375，如下圖所示
3.重啟docker
?systemctl?daemon-reload
?systemctl?start?docker
4.開放端口
firewall-cmd?--zone=public?--add-port=2375/tcp?--permanent??
5.Idea安裝插件，重啟
6.連接遠程docker
1、編輯配置
2、填遠程docker地址
3、連接成功，會列出遠程docker容器和鏡像
二、新建項目
1.創(chuàng)建springboot項目
項目結構圖
1、配置pom文件
<project?xmlns="http://maven.apache.org/POM/4.0.0"
?????????xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
?????????xsi:schemaLocation="http://maven.apache.org/POM/4.0.0?http://maven.apache.org/xsd/maven-4.0.0.xsd">
????<modelVersion>4.0.0modelVersion>
????<groupId>docker-demogroupId>
????<artifactId>com.demoartifactId>
????<version>1.0-SNAPSHOTversion>
????<parent>
????????<groupId>org.springframework.bootgroupId>
????????<artifactId>spring-boot-starter-parentartifactId>
????????<version>2.0.2.RELEASEversion>
????????<relativePath?/>
????parent>
????<properties>
?????????<project.build.sourceEncoding>UTF-8project.build.sourceEncoding>
?????????<project.reporting.outputEncoding>UTF-8project.reporting.outputEncoding>
?????????<docker.image.prefix>com.demodocker.image.prefix>
?????????<java.version>1.8java.version>
????properties>
????<build>
????????<plugins>
??????????<plugin>
????????????<groupId>org.springframework.bootgroupId>
????????????<artifactId>spring-boot-maven-pluginartifactId>
??????????plugin>
????????<plugin>
???????????<groupId>com.spotifygroupId>
???????????<artifactId>docker-maven-pluginartifactId>
???????????<version>1.0.0version>
???????????<configuration>
??????????????<dockerDirectory>src/main/dockerdockerDirectory>
??????????????<resources>
????????????????<resource>
????????????????????<targetPath>/targetPath>
????????????????????<directory>${project.build.directory}directory>
????????????????????<include>${project.build.finalName}.jarinclude>
????????????????resource>
??????????????resources>
???????????configuration>
????????plugin>
????????<plugin>
????????????<artifactId>maven-antrun-pluginartifactId>
????????????<executions>
?????????????????<execution>
?????????????????????<phase>packagephase>
????????????????????<configuration>
????????????????????????<tasks>
????????????????????????????<copy?todir="src/main/docker"?file="target/${project.artifactId}-${project.version}.${project.packaging}">copy>
????????????????????????tasks>
?????????????????????configuration>
????????????????????<goals>
????????????????????????<goal>rungoal>
????????????????????goals>
????????????????????execution>
????????????executions>
????????plugin>
???????plugins>
????build>
<dependencies>
????<dependency>
????????<groupId>org.springframework.bootgroupId>
????????<artifactId>spring-boot-starter-webartifactId>
????dependency>
????<dependency>
??<groupId>org.springframework.bootgroupId>
????????<artifactId>spring-boot-starter-testartifactId>
????????<scope>testscope>
????dependency>
????<dependency>
????????<groupId>log4jgroupId>
????????<artifactId>log4jartifactId>
????????<version>1.2.17version>
????dependency>
dependencies>
project>
2、在src/main目錄下創(chuàng)建docker目錄，并創(chuàng)建Dockerfile文件
FROM?openjdk:8-jdk-alpine
ADD?*.jar?app.jar
ENTRYPOINT?["java","-Djava.security.egd=file:/dev/./urandom","-jar","/app.jar"]
3、在resource目錄下創(chuàng)建application.properties文件
logging.config=classpath:logback.xml
logging.path=/home/developer/app/logs/
server.port=8990
4、創(chuàng)建DockerApplication文件
@SpringBootApplication
public?class?DockerApplication?{
????public?static?void?main(String[]?args)?{
????????SpringApplication.run(DockerApplication.class,?args);
????}
}
5、創(chuàng)建DockerController文件
@RestController
public?class?DockerController?{
????static?Log?log?=?LogFactory.getLog(DockerController.class);
????@RequestMapping("/")
????public?String?index()?{
????????log.info("Hello?Docker!");
????????return?"Hello?Docker!";
????}
}
6、增加配置
命令解釋：
Image tag : 指定鏡像名稱和tag，鏡像名稱為 docker-demo，tag為1.1
Bind ports : 綁定宿主機端口到容器內(nèi)部端口。格式為[宿主機端口]:[容器內(nèi)部端口]
Bind mounts : 將宿主機目錄掛到到容器內(nèi)部目錄中。
格式為[宿主機目錄]:[容器內(nèi)部目錄]。這個springboot項目會將日志打印在容器 /home/developer/app/logs/ 目錄下，將宿主機目錄掛載到容器內(nèi)部目錄后，那么日志就會持久化容器外部的宿主機目錄中。
7、Maven打包
8、運行
先pull基礎鏡像，然后再打包鏡像，并將鏡像部署到遠程docker運行
這里我們可以看到鏡像名稱為docker-demo:1.1，docker容器為docker-server
9、運行成功
10、瀏覽器訪問
11、日志查看
自此，通過IDEA 部署springboot項目到docker成功！難以想象，部署一個Javaweb項目竟然如此簡單方便！
來源：juejin.im/post/5d026212f265da1b8608828b
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