How to package and publish SpringBoot applications
1. 创建项目(example-fast)
基于 Spring Boot 创建一个 WEB 项目 example-fast。
2. 编译打包
2.1 采用 IDEA 集成的 Maven 环境来对 Spring Boot 项目编译打包,可谓是超级 easy
2.2 mvn 命令打包
# mvn clean 清理编译 # install 打包 # -Dmaven.test.skip=true 跳过单元测试 # -P dev 指定dev配置 mvn clean install -Dmaven.test.skip=true -P dev
3. 应用发布
3.1 一行命令的演化
运行 Spring Boot 打包之后的 jar 方式也简单,只需一行命令就行。
java -jar /usr/local/example-fast-1.0.0.jar
已经启动了服务,但关闭窗口会停止服务,所以需要考虑在后台运行并查看日志
java -jar /usr/local/example-fast-1.0.0.jar > example-fast.out &
执行启动时,效果如下,然后就可以轻松看日志输出了。
如果项目组中你既是研发又充当运维的角色,到这基本就完事儿了,因为相信通过熟练操作,会形成肌肉反应,你肯定能记住这一行命令。
不过,若是分工明确,生产权限隔离的话,一般都是运维同事来操作发布,所以还得想办法让运维同事省力,不得不考虑脚本化。
首先创建项目目录例如 example-fast,然后分别创建 bin、lib、logs 目录;把 example-fast-0.0.1-SNAPSHOT.jar 拷贝至 lib 目录下;bin 目录主要存放脚本。创建 start.sh 应用启动脚本; stop.sh 应用停止脚本
启动脚本(start.sh)
#!/bin/bash #配置 Java 环境变量 export JAVA_HOME=/usr/local/java/jdk/jdk1.8.0_231 export PATH=.:$JAVA_HOME/bin:$PATH #定义应用名 App_Name=example-fast #定义应用所在目录 App_Path=/home/${App_Name} #定义可执行文件的路径 JAR_PATH=${App_Path}/example-fast-1.0.0.jar #jvm启动参数 JAVA_OPTS="-Duser.timezone=GMT+8 -server -Xms4096m -Xmx4096m -XX:MaxMetaspaceSize=256m -Xloggc:${App_Path}/logs/${App_Name}.gc.log -XX:+UseConcMarkSweepGC -XX:+UseCMSCompactAtFullCollection -XX:CMSFullGCsBeforeCompaction=5 -XX:+PrintGC -XX:+PrintGCTimeStamps -XX:+PrintGCDetails -XX:+PrintGCApplicationStoppedTime" #启动JAVA进程函数 CURRENT_COUNT=`ps -ef|grep java |grep ${App_Name} |grep -vc grep` if [ $CURRENT_COUNT -eq 0 ] then Log_Name=$(echo ${App_Name}|awk -F"-" '{ print $NF }') nohup java -Dfunc_type=${App_Name} $JAVA_OPTS -Dfile.encoding=utf-8 -jar $JAR_PATH > ${App_Path}/logs/${App_Name}.out 2>&1 & PROCESS_ID=`ps -ef | grep "${App_Name}" |grep -v grep | awk '{ print $2 }'` echo " ☺☺☺☺☺启动应用 ${App_Name} 成功,进程 id 为 ${PROCESS_ID} ☺☺☺☺☺ " else echo " ☺☺☺☺☺ 应用 ${App_Name} 已经被启动了 ☺☺☺☺☺ " fi
# 执行应用启动 start.sh sh start.sh
停止脚本(stop.sh)
#!/bin/bash # 定义应用名称 App_Name=example-fast # 停止JAVA进程函数 echo " ☺☺☺☺☺ 开始停止 ${App_Name} 应用 ☺☺☺☺☺ " ps -ef | grep ${App_Name} | grep -v grep | awk '{print$2}' | xargs kill echo " ☺☺☺☺☺ 应用 ${App_Name} 停止成功!☺☺☺☺☺ "
# 执行应用停止 stop.sh sh stop.sh
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