alreadydockerspringboot

Docker一键部署 SpringBoot 应用的方法,贼快贼好

2021-04-08  本文已影响0人  程序员知识圈

这两天发现个Gradle插件,支持一键打包、推送Docker镜像。今天我们来讲讲这个插件,希望对大家有所帮助!

Gradle Docker Plugin 简介

一款可以通过远程API管理Docker镜像和容器的插件,专为Java应用打造,原生支持SpringBoot。

使用该插件具有如下特性:

该插件由以下三个插件组成:

操作镜像

还是以我的脚手架项目mall-tiny为例,让我们来看看使用该插件打包推送Docker镜像是不是够快够简单!

构建镜像

plugins {
    id 'com.bmuschko.docker-remote-api' version '6.7.0'
    id 'com.bmuschko.docker-spring-boot-application' version '6.7.0'
}
ext{
    registryUrl='192.168.5.78:5000'
}
docker {
    url = 'tcp://192.168.5.78:2375'
    springBootApplication {
        baseImage = 'java:8'
        maintainer = 'macrozheng'
        ports = [8080]
        images = ["${registryUrl}/mall-tiny/${rootProject.name}:${version}"]
        jvmArgs = ['-Dspring.profiles.active=prod']
    }
}
> Task :dockerBuildImage
Building image using context 'I:\developer\gitee\mall-tiny-gradle\build\docker'.
Using images '192.168.5.78:5000/mall-tiny/mall-tiny:1.0.0-SNAPSHOT'.
Step 1/8 : FROM java:8
 ---> d23bdf5b1b1b
Step 2/8 : LABEL maintainer=macrozheng
 ---> Running in 9a63f56a03ae
Removing intermediate container 9a63f56a03ae
 ---> ed45af8fff90
Step 3/8 : WORKDIR /app
 ---> Running in 8bd4b513eb23
Removing intermediate container 8bd4b513eb23
 ---> d27759d1d7df
Step 4/8 : COPY libs libs/
 ---> 84c3a983972a
Step 5/8 : COPY resources resources/
 ---> c8a27f3475fc
Step 6/8 : COPY classes classes/
 ---> 3a76a8efc02b
Step 7/8 : ENTRYPOINT ["java", "-Dspring.profiles.active=prod", "-cp", "/app/resources:/app/classes:/app/libs/*", "com.macro.mall.tiny.MallTinyApplication"]
 ---> Running in e56ae56fd6eb
Removing intermediate container e56ae56fd6eb
 ---> 22d73f95e756
Step 8/8 : EXPOSE 8080
 ---> Running in b21d898456cb
Removing intermediate container b21d898456cb
 ---> 73684cf8c643
Successfully built 73684cf8c643
Successfully tagged 192.168.5.78:5000/mall-tiny/mall-tiny:1.0.0-SNAPSHOT
Created image with ID '73684cf8c643'.

BUILD SUCCESSFUL in 34s
5 actionable tasks: 5 executed
10:56:15: Task execution finished 'dockerBuildImage'.
FROM java:8
LABEL maintainer=macrozheng
WORKDIR /app
COPY libs libs/
COPY resources resources/
COPY classes classes/
ENTRYPOINT ["java", "-Dspring.profiles.active=prod", "-cp", "/app/resources:/app/classes:/app/libs/*", "com.macro.mall.tiny.MallTinyApplication"]
EXPOSE 8080
docker run -p 8080:8080 --name mall-tiny \
--link mysql:db \
--link redis:redis \
-v /etc/localtime:/etc/localtime \
-v /mydata/app/mall-tiny/logs:/var/logs \
-d 192.168.5.78:mall-tiny/mall-tiny:1.0.0-SNAPSHOT

推送镜像

对比Maven

我们通过把项目clean以后再打包成Docker镜像,对比下使用Gradle和Maven的速度。

总结

今天我们体验了一把Gradle和Docker结合使用,发现真是够快够简单。对比Maven速度快了一倍,内置了Dockerfile,大大降低了配置难度。

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