add docker image build and run

.dockerignore

@@ -0,0 +1 @@
+target/

Makefile

@@ -0,0 +1,16 @@
+.PHONY: build
+
+build:
+	./mvnw compile
+
+run:
+	./mvnw spring-boot:run
+
+debug:
+	./mvnw spring-boot:run -Dspring-boot.run.jvmArguments="-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=5005"
+
+docker-build:
+	./mvnw compile com.google.cloud.tools:jib-maven-plugin:2.5.2:build
+
+docker-run:
+	docker run --rm -d -p 8080:8080 docker.registry:5000/wikiproject:latest

pom.xml

@@ -1,39 +1,34 @@
 <?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"
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xmlns="http://maven.apache.org/POM/4.0.0"
          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>
 
+    <!-- spring-boot -->
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.3.2.RELEASE</version>
+    </parent>
+
     <groupId>fr.antoine-roux</groupId>
     <artifactId>wikiProject</artifactId>
     <version>${revision}</version>
     <name>wikiProject</name>
-    <description>project use wikipedia streaming api https://stream.wikimedia.org/?doc#/Streams/get_v2_stream_test</description>
+    <description>project use wikipedia streaming api https://stream.wikimedia.org/?doc#/Streams/get_v2_stream_test
+    </description>
 
     <properties>
         <revision>1.0-SNAPSHOT</revision>
         <java.version>14</java.version>
-        <spring-boot.version>2.3.2.RELEASE</spring-boot.version>
         <maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
+        <jib-maven-plugin.version>2.5.2</jib-maven-plugin.version>
+        <spring-boot.run.jvmArguments/>
+        <application.port>8080</application.port>
+        <resource.delimiter>^</resource.delimiter>
+        <enable-preview.jvmFlag>--enable-preview</enable-preview.jvmFlag>
     </properties>
 
-    <dependencyManagement>
-        <dependencies>
-            <!-- spring-boot -->
-            <dependency>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-starter-parent</artifactId>
-                <version>${spring-boot.version}</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
-            <dependency>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-starter</artifactId>
-                <version>${spring-boot.version}</version>
-            </dependency>
-        </dependencies>
-    </dependencyManagement>
     <dependencies>
         <!-- spring-boot -->
         <dependency>
@@ -64,16 +59,53 @@
 
     <build>
         <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <jvmArguments>${enable-preview.jvmFlag} ${spring-boot.run.jvmArguments}</jvmArguments>
+                    <layers>
+                        <enabled>true</enabled>
+                    </layers>
+                </configuration>
+            </plugin>
+            <plugin>
+                <!-- https://github.com/GoogleContainerTools/jib/tree/master/jib-maven-plugin#authentication-methods -->
+                <groupId>com.google.cloud.tools</groupId>
+                <artifactId>jib-maven-plugin</artifactId>
+                <version>${jib-maven-plugin.version}</version>
+                <configuration>
+                    <from>
+                        <!-- <image>adoptopenjdk:14.0.2_8-jdk-openj9-0.21.0</image> -->
+                        <image>adoptopenjdk:14-jdk-openj9</image>
+                        <!-- <image>adoptopenjdk:14.0.2_8-jdk-hotspot</image> -->
+                        <!-- <image>adoptopenjdk:14-jdk-hotspot</image> -->
+                    </from>
+                    <to>
+                        <image>docker.registry:5000/wikiproject</image>
+                    </to>
+                    <container>
+                        <jvmFlags>
+                            <jvmFlag>${enable-preview.jvmFlag}</jvmFlag>
+                            <jvmFlag>-Xms512m</jvmFlag>
+                        </jvmFlags>
+                        <ports>
+                            <port>${application.port}</port>
+                        </ports>
+                        <format>OCI</format>
+                    </container>
+                    <allowInsecureRegistries>true</allowInsecureRegistries>
+                </configuration>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>${maven-compiler-plugin.version}</version>
                 <configuration>
                     <release>${java.version}</release>
-                    <compilerArgs>--enable-preview</compilerArgs>
+                    <compilerArgs>${enable-preview.jvmFlag}</compilerArgs>
                 </configuration>
             </plugin>
         </plugins>
     </build>
 
-</project>
+</project>

src/main/java/tk/antoine_roux/wiki/MainLauncher.java

@@ -1,5 +1,6 @@
 package tk.antoine_roux.wiki;
 
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.context.annotation.Bean;
@@ -9,22 +10,29 @@ import org.springframework.web.servlet.function.ServerResponse;
 
 /**
  * Main class
- * program input
  */
-@SpringBootApplication
+// force spring application to not use glibc or any non jdk code which is bad for graalvm
+@SpringBootApplication(proxyBeanMethods = false)
 public class MainLauncher {
 
-    /*
-     * entry point for our application
+    @Value("${wikiproject.basePath}")
+    private String basePath;
+
+    /**
+     * Entrypoint for application
      */
     public static void main(String[] args) {
         SpringApplication.run(MainLauncher.class, args);
     }
 
+    /**
+     * Routing declaration
+     */
     @Bean
     public RouterFunction<ServerResponse> routes() {
         return RouterFunctions.route()
-                .GET("/toto", serverRequest -> ServerResponse.ok().body("hello world !"))
-                .build();
+                .GET(this.basePath + "/hello", serverRequest ->
+                        ServerResponse.ok().body("Hello world !")
+                ).build();
     }
 }

src/main/resources/application.properties

@@ -2,6 +2,6 @@ spring.main.banner-mode=off
 spring.main.lazy-initialization=true
 spring.output.ansi.enabled=ALWAYS
 
-server.port=8081
+server.port=^application.port^
 
 wikiproject.basePath=/wikiproject