commit

.gitignore

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+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**
+!**/src/test/**
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+
+### VS Code ###
+.vscode/

.gitlab-ci.yml

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+image: docker:stable
+services:
+  - docker:dind
+
+variables:
+  DOCKER_DRIVER: overlay
+  SPRING_PROFILES_ACTIVE: gitlab-ci
+
+stages:
+  - build
+  - package
+
+maven-build:
+  image: maven:3-jdk-8
+  stage: build
+  script: "mvn package -B"
+  artifacts:
+    paths:
+      - target/*.jar
+
+docker-build:
+  stage: package
+  script:
+    - docker build -t $CONTAINER_IMAGE:1.4 .
+    - docker login -u $DOCKER_HUB_USER -p $DOCKER_HUB_PASS
+    - docker push $CONTAINER_IMAGE:1.4

Dockerfile

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+FROM openjdk:8-jre
+MAINTAINER fjy8018 fjy8018@gmail.com
+
+COPY target/demo-0.0.1-SNAPSHOT.jar /demo.jar
+
+ENTRYPOINT ["java","-jar","/demo.jar"]
+
+EXPOSE 8080

build.sh

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+#!/usr/bin/env bash
+docker build -t fjy8018/demo-springboot:1.0 .
+docker push fjy8018/demo-springboot:1.0

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.1.6.RELEASE</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+    <groupId>top.fjy8018</groupId>
+    <artifactId>demo</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>demo</name>
+    <description>Demo project for Spring Boot</description>
+
+    <properties>
+        <java.version>1.8</java.version>
+        <skipTests>true</skipTests>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

src/main/java/top/fjy8018/demo/DemoApplication.java

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+package top.fjy8018.demo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@SpringBootApplication
+public class DemoApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(DemoApplication.class, args);
+    }
+
+    @RequestMapping("/{content}")
+    public String helloWorld(@PathVariable(name = "content", required = false) String content) {
+        return "hello , " + content;
+    }
+
+}

src/main/resources/application.yml

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+server:
+  port: 8080

src/test/java/top/fjy8018/demo/DemoApplicationTests.java

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+package top.fjy8018.demo;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class DemoApplicationTests {
+
+    @Test
+    public void contextLoads() {
+    }
+
+}