1<?xml version="1.0" encoding="UTF-8"?>2<projectxmlns="http://maven.apache.org/POM/4.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"3xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">4<modelVersion>4.0.0</modelVersion>5<parent>6<groupId>org.springframework.boot</groupId>7<artifactId>spring-boot-starter-parent</artifactId>8<version>2.6.1</version>9<relativePath/><!-- lookup parent from repository -->10</parent>11<groupId>com.example</groupId>12<artifactId>sample1</artifactId>13<version>0.0.1-SNAPSHOT</version>14<packaging>war</packaging>15<name>sample1</name>16<description>Demo project for Spring Boot</description>17<properties>18<java.version>17</java.version>19<maven.compiler.target>8</maven.compiler.target>20<maven.compiler.source>8</maven.compiler.source>21</properties>22<dependencies>23<dependency>24<groupId>org.springframework.boot</groupId>25<artifactId>spring-boot-starter</artifactId>26</dependency>27<dependency>28<groupId>org.springframework.boot</groupId>29<artifactId>spring-boot-starter-web</artifactId>30</dependency>31<dependency>32<groupId>org.springframework.boot</groupId>33<artifactId>spring-boot-starter-thymeleaf</artifactId>34</dependency>35<dependency>36<groupId>org.springframework.boot</groupId>37<artifactId>spring-boot-starter-test</artifactId>38<scope>test</scope>39</dependency>40<dependency>41<groupId>org.springframework.boot</groupId>42<artifactId>spring-boot-starter-tomcat</artifactId>43<scope>provided</scope>44</dependency>45</dependencies>4647<build>48<finalName>sample1</finalName>49<plugins>50<plugin>51<groupId>org.springframework.boot</groupId>52<artifactId>spring-boot-maven-plugin</artifactId>53</plugin>54</plugins>55</build>5657</project>58
以下の手順を実施しました。
①warファイルを作成する
②Dockerfileを作成
Dockerfile
FROM tomcat
RUN ["apt-get", "update"]
RUN ["apt-get", "install", "-y", "vim"]
ENV PATH $PATH:/usr/sbin
RUN rm -rf /usr/local/tomcat/webapps.dist/
COPY ./sample1.war /usr/local/tomcat/webapps/
CMD chmod +x /usr/local/tomcat/bin/catalina.sh
CMD ["catalina.sh", "run"]
④作成したイメージからコンテナを作成し起動する
docker run -it --publish 8080:8080 (Dockerユーザ名)/springboot-sample1:v1
28-Dec-2021 15:18:25.166 INFO [main] org.apache.catalina.startup.HostConfig.deployWAR Deploying web application archive [/usr/local/tomcat/webapps/sample1.war]
～
28-Dec-2021 15:18:26.137 INFO [main] org.apache.catalina.startup.HostConfig.deployWAR Deployment of web application archive [/usr/local/tomcat/webapps/sample1.war] has finished in [971] ms
28-Dec-2021 15:18:26.141 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio-8080"]
28-Dec-2021 15:18:26.153 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in [1047] milliseconds
回答ありがとうございます。http://localhost:8080/sample, http://localhost:8080/sample2どちらも404となります。warファイルをtomcatに配置して展開するとwarファイル名がコンテキストパスになるという認識でしたのでhttp://localhost:8080/sample1/sample、http://localhost:8080/sample1/sample2でアクセス確認を行っていました。
root@3ab69fdc4f6a:/usr/local/tomcat# curl http://localhost:8080/sample
<!doctype html><html lang="en"><head><title>HTTP Status 404 – Not Found</title><style type="text/css">body {font-family:Tahoma,Arial,sans-serif;} h1, h2, h3, b {color:white;background-color:#525D76;} h1 {font-size:22px;} h2 {font-size:16px;} h3 {font-size:14px;} p {font-size:12px;} a {color:black;} .line {height:1px;background-color:#525D76;border:none;}</style></head><body><h1>HTTP Status 404 – Not Found</h1><hr class="line" /><p><b>Type</b> Status Report</p><p><b>Description</b> The origin server did not find a current representation for the target resource or is not willing to disclose that one exists.</p><hr class="line" /><h3>Apache Tomcat/10.0.14</h3></body></html>root@3ab69fdc4f6a:/usr/local/tomcat#
root@3ab69fdc4f6a:/usr/local/tomcat# curl http://localhost:8080/sample2
<!doctype html><html lang="en"><head><title>HTTP Status 404 – Not Found</title><style type="text/css">body {font-family:Tahoma,Arial,sans-serif;} h1, h2, h3, b {color:white;background-color:#525D76;} h1 {font-size:22px;} h2 {font-size:16px;} h3 {font-size:14px;} p {font-size:12px;} a {color:black;} .line {height:1px;background-color:#525D76;border:none;}</style></head><body><h1>HTTP Status 404 – Not Found</h1><hr class="line" /><p><b>Type</b> Status Report</p><p><b>Description</b> The origin server did not find a current representation for the target resource or is not willing to disclose that one exists.</p><hr class="line" /><h3>Apache Tomcat/10.0.14</h3></body></html>root@3ab69fdc4f6a:/usr/local/tomcat# curl http://localhost:8080/sample2/
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