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1、創(chuàng)建一個(gè)springbooot項(xiàng)目并且打成jar包

利用Dockerfile部署SpringBoot項(xiàng)目的方法

2、在linux中創(chuàng)建一個(gè)文件夾，來做docker測試

1	`[root@izwz90lvzs7171wgdhul8az ~]# mkdir /root/docker_test`

3、將jar包上傳到linux中

創(chuàng)建存放jar包的文件夾

1	`[root@izwz90lvzs7171wgdhul8az docker_test]# mkdir /root/docker_test/jar`

然后利用xshell上傳jar包到上面的文件夾中

4、編寫dockerfile文件

									# 基于java鏡像創(chuàng)建新鏡像

									from java:8

									# 作者

									maintainer howinfun

									# 將jar包添加到容器中并更名為app.jar

									add jar/app.jar /root/docker_test/app.jar

									# 運(yùn)行jar包

									entrypoint ["nohup","java","-jar","/root/docker_test/app.jar","&"]

注意：add 、 copy 指令用法一樣，唯一不同的是 add 支持將歸檔文件（tar, gzip, bzip2, etc）做提取和解壓操作。還有需要注意的是，copy 指令需要復(fù)制的目錄一定要放在 dockerfile 文件的同級(jí)目錄下。

5、制作鏡像

1	`[root@izwz90lvzs7171wgdhul8az docker_test]# docker build -t sbdemo .`

命令參數(shù)：

-t：指定新鏡像名
.：表示dockfile在當(dāng)前路徑

如果我們的 dockerfile 文件路徑不在這個(gè)目錄下，或者有另外的文件名，我們可以通過 -f 選項(xiàng)單獨(dú)給出 dockerfile 文件的路徑

1	`[root@izwz90lvzs7171wgdhul8az docker_test]# docker build -t sbdemo -f /root/docker_test/dockerfile /root/docker_test/`

命令參數(shù)：

-f：第一個(gè)參數(shù)是dockerfile的路徑第二個(gè)參數(shù)是dockerfile所在文件夾制作完成后通過docker images命令查看我們制作的鏡像：

1 2	`[root@izwz90lvzs7171wgdhul8az docker_test]# docker images \| grep sbdemo` `sbdemo latest 7efac46ef997 4 hours ago 686mb`

6、啟動(dòng)容器

1	`[root@izwz90lvzs7171wgdhul8az docker_test]# docker run -d -p 8888:8888 --name mysbdemo sbdemo:latest`

命令參數(shù)：

-d：后臺(tái)運(yùn)行
-p：公開指定端口號(hào)
--name：給容器命名

啟動(dòng)后可通過docker ps查看正在運(yùn)行的容器：

									[root@izwz90lvzs7171wgdhul8az docker_test]# docker ps

									container id    image        command         created       status       ports          names

									5096c8c7b36f    sbdemo       "nohup java -jar /ro??  4 seconds ago    up 2 seconds    0.0.0.0:8888->8888/tcp  mysbdemo

7、查看容器啟動(dòng)日志

我們可以通過 docker logs 查看指定容器的日志：

									[root@izwz90lvzs7171wgdhul8az docker_test]# docker logs mysbdemo

									 .  ____     _      __ _ _

									 /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \

									( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \

									 \\/ ___)| |_)| | | | | || (_| | ) ) ) )

									 ' |____| .__|_| |_|_| |_\__, | / / / /

									 =========|_|==============|___/=/_/_/_/

									 :: spring boot ::    (v2.1.6.release)

									2019-10-11 02:10:46.264 info 1 --- [      main] com.hyf.databaseapplication       : starting databaseapplication v0.0.1-snapshot on 6d85ac5d8751 with pid 1 (/root/docker_test/app.jar started by root in /)

									2019-10-11 02:10:46.267 debug 1 --- [      main] com.hyf.databaseapplication       : running with spring boot v2.1.6.release, spring v5.1.8.release

									2019-10-11 02:10:46.268 info 1 --- [      main] com.hyf.databaseapplication       : no active profile set, falling back to default profiles: default

									2019-10-11 02:10:49.139 warn 1 --- [      main] o.m.s.mapper.classpathmapperscanner   : skipping mapperfactorybean with name 'bookmapper' and 'com.hyf.mapper.bookmapper' mapperinterface. bean already defined with the same name!

									2019-10-11 02:10:49.139 warn 1 --- [      main] o.m.s.mapper.classpathmapperscanner   : no mybatis mapper was found in '[com.hyf]' package. please check your configuration.

									2019-10-11 02:10:49.246 info 1 --- [      main] .s.d.r.c.repositoryconfigurationdelegate : multiple spring data modules found, entering strict repository configuration mode!

									2019-10-11 02:10:49.257 info 1 --- [      main] .s.d.r.c.repositoryconfigurationdelegate : bootstrapping spring data repositories in default mode.

									2019-10-11 02:10:49.328 info 1 --- [      main] .s.d.r.c.repositoryconfigurationdelegate : finished spring data repository scanning in 39ms. found 0 repository interfaces.

									2019-10-11 02:10:50.345 info 1 --- [      main] trationdelegate$beanpostprocessorchecker : bean 'org.springframework.transaction.annotation.proxytransactionmanagementconfiguration' of type [org.springframework.transaction.annotation.proxytransactionmanagementconfiguration$$enhancerbyspringcglib$$2c6b335] is not eligible for getting processed by all beanpostprocessors (for example: not eligible for auto-proxying)

									2019-10-11 02:10:51.255 info 1 --- [      main] o.s.b.w.embedded.tomcat.tomcatwebserver : tomcat initialized with port(s): 8888 (http)

									2019-10-11 02:10:51.359 info 1 --- [      main] o.apache.catalina.core.standardservice  : starting service [tomcat]

									2019-10-11 02:10:51.359 info 1 --- [      main] org.apache.catalina.core.standardengine : starting servlet engine: [apache tomcat/9.0.21]

									2019-10-11 02:10:51.778 info 1 --- [      main] o.a.c.c.c.[tomcat].[localhost].[/]    : initializing spring embedded webapplicationcontext

									2019-10-11 02:10:51.779 info 1 --- [      main] o.s.web.context.contextloader      : root webapplicationcontext: initialization completed in 5104 ms

									2019-10-11 02:10:54.164 info 1 --- [      main] o.s.s.concurrent.threadpooltaskexecutor : initializing executorservice 'applicationtaskexecutor'

									2019-10-11 02:10:56.081 info 1 --- [      main] o.s.b.w.embedded.tomcat.tomcatwebserver : tomcat started on port(s): 8888 (http) with context path ''

									2019-10-11 02:10:56.090 info 1 --- [      main] com.hyf.databaseapplication       : started databaseapplication in 11.49 seconds (jvm running for 12.624)