SpringBoot项目Docker部署三种方式-IT俱乐部

一种：直接拷贝jar到服务器部署

1.增加docker配置文件

新建Dockerfile文件，负责Docker的配置

FROM openjdk:21

#ENV timezone
RUN /bin/cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && echo 'Asia/Shanghai' >/etc/timezone

# WORKDIR
WORKDIR /app

#Copy command, copy files or directories from the context directory to the specified path in the container
COPY spring-monitoring.jar /app/spring-monitoring.jar

#EXPOSE 18081
ENTRYPOINT ["java", "-jar", "-Xmx512m", 
            "-XX:-OmitStackTraceInFastThrow", 
            "spring-monitoring.jar", "--logging.file.path=/app"]


#"-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=5005",

2.上传jar包到远程目录：

创建目录命令：mkdir -p /apps/spring

把自己的jar包和dockerfile文件上传到创建的目录

3.build新的镜像

docker build -t dtb/spring-monitoring:1.0 .
docker images #查看刚构建的镜像

4.启动容器：

docker run -d --name monitoring --restart always --net host dtb/spring-monitoring:1.0

docker安装及docker常用命令

二种：SpringBoot 通过maven插件实现docker镜像打包

此方法需要开启远程访问2375 端口不太安全，如果需要安全的话还需要Docker启用TLS加密
这里暂不做介绍

三种：idea 链接docker直接构建镜像启动容器

在项目根目录下增加docker配置文件

FROM openjdk:21

#ENV timezone
RUN /bin/cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && echo 'Asia/Shanghai' >/etc/timezone

# WORKDIR
WORKDIR /app

#Copy command, copy files or directories from the context directory to the specified path in the container
COPY target/spring-monitoring.jar /app/spring-monitoring.jar

#EXPOSE 18081
ENTRYPOINT ["java", "-jar", "-Xmx512m", 
            "-XX:-OmitStackTraceInFastThrow", 
            "spring-monitoring.jar", "--logging.file.path=/app"]