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前言

項目需要：

安裝Docker idea中安裝docker插件，并配置docker一個SpringBoot項目創建Dockerfile

一、下載、安裝、配置Docker下載Docker

下載地址：官網下載 Docker

安裝

一直下一步就行

配置路徑：Settings–General 勾選 Expose daemon on tcp://localhost:2375 without TLS

在Idea中使用Docker部署SpringBoot項目的詳細步驟

設置鏡像，提高下載鏡像的速度https://xaiqlt1z.mirror.aliyuncs.com

在Idea中使用Docker部署SpringBoot項目的詳細步驟

測試是否安裝成功

				?

									C:\Users\msi>docker -v

									Docker version 19.03.12, build 48a66213fe

									C:\Users\msi> docker run hello-world

									Hello from Docker!

									This message shows that your installation appears to be working correctly.

									To generate this message, Docker took the following steps:

									 1. The Docker client contacted the Docker daemon.

									 2. The Docker daemon pulled the "hello-world" image from the Docker Hub.

									  (amd64)

									 3. The Docker daemon created a new container from that image which runs the

									  executable that produces the output you are currently reading.

									 4. The Docker daemon streamed that output to the Docker client, which sent it

									  to your terminal.

									To try something more ambitious, you can run an Ubuntu container with:

									 $ docker run -it ubuntu bash

									Share images, automate workflows, and more with a free Docker ID:

									 https://hub.docker.com/

									For more examples and ideas, visit:

									 https://docs.docker.com/get-started/

二、Idea 安裝Docker插件

1.安裝docker插件在idea中： file--Plugins--Marketplace 搜索 Docker 安裝

在Idea中使用Docker部署SpringBoot項目的詳細步驟

2.配置Docker服務

file – 搜索docker – 選擇Docker – 右側添加一個Docker
Connection successful 顯示，表示 Docker鏈接成功

在Idea中使用Docker部署SpringBoot項目的詳細步驟

三、創建SpringBoot項目，修改pom.xmlspringMVC 項目，訪問 localhost:8080/hello 顯示 hello 字符串

				?

									@RequestMapping("/hello")

									  @ResponseBody

									  public String hello () {

									    return "hello";

									  }

1.配置pom.xml 文件

				?

									<build>

									    <plugins>

									      <plugin>

									        <groupId>org.springframework.boot</groupId>

									        <artifactId>spring-boot-maven-plugin</artifactId>

									        <executions>

									          <execution>

									            <goals>

									              <goal>repackage</goal>

									            </goals>

									          </execution>

									        </executions>

									      </plugin>

									      <plugin>

									        <groupId>com.spotify</groupId>

									        <artifactId>docker-maven-plugin</artifactId>

									        <version> 1.2.1</version>

									        <executions>

									          <execution>

									            <id>build-image</id>

									            <phase>package</phase>

									            <goals>

									              <goal>build</goal>

									            </goals>

									          </execution>

									        </executions>

									        <configuration>

									          <imageName>${project.artifactId}</imageName>

									          <imageTags>

									            <imageTag>latest</imageTag>

									          </imageTags>

									          <dockerDirectory>${project.basedir}</dockerDirectory>

									          <dockerHost>http://localhost:2375</dockerHost>

									          <resources>

									            <resource>

									              <targetPath>/</targetPath>

									              <directory>${project.build.directory}</directory>

									              <include>${project.build.finalName}</include>

									            </resource>

									          </resources>

									        </configuration>

									      </plugin>

									    </plugins>

									  </build>

2.創建Docker 文件

在main文件夾下創建一個docker文件夾，并在里面創建一個Dockerfile文件。xxxxx.jar 是使用maven打包后復制進來的。

在Idea中使用Docker部署SpringBoot項目的詳細步驟

Dockerfile 文件內容:

				?

									# From java image, version : 8

									FROM java:8

									# 掛載app目錄

									VOLUME /app

									# COPY or ADD to image

									COPY demo-0.0.1-SNAPSHOT.jar app.jar

									RUN bash -c "touch /app.jar"

									EXPOSE 8080

									ENTRYPOINT ["java", "-jar", "app.jar"]