IDEA 配置Docker的过程

IDEA是Java最常用的开发工具，而Docker是当下最火的部署容器。

vi /usr/lib/systemd/system/docker.service

找到 ExecStart，在最后面添加 -H tcp://0.0.0.0:2375 -H unix://var/run/docker.sock

重启docker

systemctl daemon-reload systemctl start docker

开放端口2375

firewall-cmd --zone=public --add-port=2375/tcp --permanent2.IDEA安装Docker插件

1. File->Settings->Plugins 搜索 docker integration

安装成功后重启IDEA

<?xml version='1.0' encoding='UTF-8'?><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 https://maven.apache.org/xsd/maven-4.0.0.xsd'> <modelVersion>4.0.0</modelVersion> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.4.2</version> <relativePath/> <!-- lookup parent from repository --> </parent> <groupId>com.docker</groupId> <artifactId>idea-docker-demo</artifactId> <version>0.0.1-SNAPSHOT</version> <name>idea-docker-demo</name> <description>Demo project for Spring Boot</description> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <docker.image.prefix>com.docker</docker.image.prefix> <java.version>1.8</java.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <!-- Lombok --> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> </dependency> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency> </dependencies> <build> <plugins> <plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId> </plugin> <plugin><groupId>com.spotify</groupId><artifactId>docker-maven-plugin</artifactId><version>1.0.0</version><configuration> <dockerDirectory>src/main/docker</dockerDirectory> <resources> <resource> <targetPath>/</targetPath> <directory>${project.build.directory}</directory> <include>${project.build.finalName}.jar</include> </resource> </resources></configuration> </plugin> <plugin><artifactId>maven-antrun-plugin</artifactId><executions> <execution> <phase>package</phase> <configuration> <tasks><copy todir='src/main/docker' file='target/${project.artifactId}-${project.version}.${project.packaging}'></copy> </tasks> </configuration> <goals> <goal>run</goal> </goals> </execution></executions> </plugin> </plugins> </build></project>

application.properties

server.port=8887logging.config=classpath:logback.xmllogging.path=/home/docker_demo/app/logs/

logback.xml

<?xml version='1.0' encoding='UTF-8'?><configuration debug='false' scan='true' scanPeriod='1 seconds'> <contextName>logback</contextName> <property name='log.path' value='/home/docker_demo/app/logs/docker_demo.log'/> <appender name='console' class='ch.qos.logback.core.ConsoleAppender'> <encoder> <pattern>%d{HH:mm:ss.SSS} %contextName [%thread] %-5level %logger{36} - %msg%n</pattern> </encoder> </appender> <appender name='file' class='ch.qos.logback.core.rolling.RollingFileAppender'> <file>${log.path}</file> <rollingPolicy class='ch.qos.logback.core.rolling.TimeBasedRollingPolicy'> <fileNamePattern>${log.path}.%d{yyyy-MM-dd}.zip</fileNamePattern> </rollingPolicy> <encoder> <pattern>%date %level [%thread] %logger{36} [%file : %line] %msg%n </pattern> </encoder> </appender> <root level='info'> <appender-ref ref='console'/> <appender-ref ref='file'/> </root></configuration>

配置docker远程地址

在项目下创建Dockerfile文件

Dockerfile内容:

FROM openjdk:8-jdk-alpineADD *.jar app.jarENTRYPOINT ['java','-Djava.security.egd=file:/dev/./urandom','-jar','/app.jar']

增加docker配置

命令解释Image tag : 指定镜像名称和tag，镜像名称为 docker-demo，tag为1.1Bind ports : 绑定宿主机端口到容器内部端口。格式为[宿主机端口]:[容器内部端口]Bind mounts : 将宿主机目录挂到到容器内部目录中。格式为[宿主机目录]:[容器内部目录]。这个springboot项目会将日志打印在容器/home/docker_demo/app/logs/ 目录下，将宿主机目录挂载到容器内部目录后，那么日志就会持久化容器外部的宿主机目录中。

项目启动成功

可以直接访问接口,查看日志文件

总结：通过idea部署springboot项目到docker简单方便！

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