Docker---(5) Docker Deployment Springboot Web Project __web

The Springboot project is a simple thing to publish to the server, but there are some potholes that need to be noticed in the Tomcat container that is posted to the Docker boot on the server.

Here's a complete introduction: Publish the Springboot Web project to the Tomcat container that is launched in Docker.

Spring Project Publishing, refer to: Docker---(3) Docker Publish Spring Web project

Springboot Introduction, please refer to: springboot--starting from 0 to learn Springboot

Docker to get started, please refer to: Docker---Learn from zero docker

1.pom.xml

Change the package mode to war package

[Java] view plain copy <packaging>war</packaging> remove springboot built-in tomcat, add Servlet-api

[Java]  View Plain  copy <dependency>       <groupId> org.springframework.boot</groupid>       <artifactId> spring-boot-starter-web</artifactid>       <!--Remove the built-in tomcat-->        <exclusions>            <exclusion>               < groupid>org.springframework.boot</groupid>                <artifactId>spring-boot-starter-tomcat</artifactId>           </exclusion>       </ exclusions>   </dependency>   <!--add servlet-api-->   <dependency >       <groupid>org.apache.tomcat</groupid>       <artifactId> tomcat-servlet-api</artifactid>       <version>8.0.36</version>        <scope>provided</scope>   </dependency>    Add Project Access path to build[Java]View Plain Copy <finalName>tweb</finalName>

(When I first published, I read 30 articles, did not mention this, published more than 20 times did not succeed)

[Java] view plain copy <build> <!--packaged Project Access name--> <finalname>tweb</finalname>       ;               <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </b Uild> 2. Customize a Servletinitializer class that inherits Springbootservletinitializer to start the context

(and start class directory siblings)

[Java]   View plain  copy package com.jd;      import  org.springframework.boot.autoconfigure.enableautoconfiguration;   import  org.springframework.boot.builder.springapplicationbuilder;   import  org.springframework.boot.web.support.springbootservletinitializer;   import  org.springframework.context.annotation.componentscan;   import  org.springframework.context.annotation.configuration;     /**   * Date  2018/1/30   * description: Start spring's context    */