springboot项目docker化部署

Dockfile文件：

# 基于Java8镜像
FROM java:8

# 将本地文件夹挂在到当前容器
VOLUME /tmp

# 复制文件到容器
ADD Server-0.0.1-SNAPSHOT.jar app.jar
RUN bash -c 'touch /app.jar'

# 声明需要暴露的端口
EXPOSE 9000

# 配置容器启动后执行的命令
ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/app.jar"]

　　pom文件：

<?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 http://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>2.1.6.RELEASE</version>
		<relativePath/> <!-- lookup parent from repository -->
	</parent>
	<groupId>com.crystal</groupId>
	<artifactId>Server</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<name>Server</name>
	<description>Demo project for Spring Boot</description>

	<properties>
		<java.version>1.8</java.version>
		<spring-cloud.version>Greenwich.SR2</spring-cloud.version>
		<docker.image.prefix>springio</docker.image.prefix>
	</properties>

	<dependencies>
		<dependency>
			<groupId>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
		</dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>
	</dependencies>

	<dependencyManagement>
		<dependencies>
			<dependency>
				<groupId>org.springframework.cloud</groupId>
				<artifactId>spring-cloud-dependencies</artifactId>
				<version>${spring-cloud.version}</version>
				<type>pom</type>
				<scope>import</scope>
			</dependency>
		</dependencies>
	</dependencyManagement>

	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
			 <plugin>  
            <groupId>org.apache.maven.plugins</groupId>  
            <artifactId>maven-surefire-plugin</artifactId>  
            <configuration>  
              <skipTests>true</skipTests>  
            </configuration>  
          </plugin>
          
           <plugin>    
                <groupId>com.spotify</groupId>    
                <artifactId>docker-maven-plugin</artifactId>    
                <version>0.4.13</version>    
                <configuration>    
                    <imageName>${docker.image.prefix}/${project.artifactId}</imageName>    
                    <dockerDirectory>src/main/docker</dockerDirectory>    
                    <resources>    
                        <resource>    
                            <targetPath>/</targetPath>    
                            <directory>${project.build.directory}</directory>    
                            <include>${project.build.finalName}.jar</include>    
                        </resource>    
                    </resources>    
                </configuration>    
            </plugin>  
			
		</plugins>
	</build>

</project>

　　mvn命令打包：mvn clean package

将jar包和Dockfile文件上传至服务器同一目录下

执行命令：docker build -t imageName .    即可构建一个新的springboot项目镜像