IDEA 配置Docker的過程
IDEA是Java最常用的開發工具,而Docker是當下最火的部署容器。
1.配置docker遠程連接端口
vi /usr/lib/systemd/system/docker.service
找到 ExecStart,在最後面添加 -H tcp://0.0.0.0:2375 -H unix://var/run/docker.sock
重啟docker
systemctl daemon-reload systemctl start docker
開放端口2375
firewall-cmd --zone=public --add-port=2375/tcp --permanent
2.IDEA安裝Docker插件
1. File->Settings->Plugins 搜索 docker integration
安裝成功後重啟IDEA
3.創建Springboot項目,配置連接遠程docker pom.xml
<?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}.${project.packaging}"></copy> </tasks> </configuration> <goals> <goal>run</goal> </goals> </execution> </executions> </plugin> </plugins> </build> </project>
application.properties
server.port=8887 logging.config=classpath:logback.xml logging.path=/home/docker_demo/app/logs/
logback.xml
<?xml version="1.0" encoding="UTF-8"?> <configuration debug="false" scan="true" scanPeriod="1 seconds"> <contextName>logback</contextName> <property name="log.path" value="/home/docker_demo/app/logs/docker_demo.log"/> <appender name="console" class="ch.qos.logback.core.ConsoleAppender"> <encoder> <pattern>%d{HH:mm:ss.SSS} %contextName [%thread] %-5level %logger{36} - %msg%n</pattern> </encoder> </appender> <appender name="file" class="ch.qos.logback.core.rolling.RollingFileAppender"> <file>${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遠程地址
在項目下創建Dockerfile文件
Dockerfile內容:
FROM openjdk:8-jdk-alpine ADD *.jar app.jar ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/app.jar"]
增加docker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部端口。格式為[宿主機端口]:[容器內部端口]
Bind mounts : 將宿主機目錄掛到到容器內部目錄中。格式為[宿主機目錄]:[容器內部目錄]。這個springboot項目會將日志打印在容器
/home/docker_demo/app/logs/ 目錄下,將宿主機目錄掛載到容器內部目錄後,那麼日志就會持久化容器外部的宿主機目錄中。
3.項目打包部署到docker
項目啟動成功
可以直接訪問接口,查看日志文件
總結:通過idea部署springboot項目到docker簡單方便!
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