Merge pull request #61 from cl-a-us/master

Udate spring and provide spring native support with codespace

.devcontainer/devcontainer.json

@@ -0,0 +1,28 @@
+// see https://github.com/microsoft/vscode-remote-try-java for detailed example on vscode remote java project
+{
+  "name": "dev-container-with-graalvm",
+  // java images can be found here: https://mcr.microsoft.com/en-us/artifact/mar/devcontainers/java/about
+  "image": "mcr.microsoft.com/devcontainers/base:ubuntu",
+  "features": {
+    "ghcr.io/devcontainers/features/java:1": {
+    // version is installed via sdkman 
+    // see https://sdkman.io/jdks#graalce and https://www.graalvm.org/downloads/ for version
+    "version": "21-graalce",
+    "installMaven": "true",
+    "mavenVersion": "3.8.6",
+    "installGradle": "false"
+    }
+  },
+  // Configure tool-specific properties.
+  "customizations": {
+    // Configure properties specific to VS Code.
+    "vscode": {
+      "settings": {},
+      "extensions": [
+        "streetsidesoftware.code-spell-checker"
+      ]
+    }
+  }
+  // Use 'postCreateCommand' to run commands after the container is created.
+, "postCreateCommand": "java -version"
+}

.github/workflows/build_push_to_ecr.yaml

@@ -1,16 +1,14 @@
 name: build release and push to ECR
-on: 
+on:
   release:
     types: [prereleased, released]
 jobs:
   build_and_push:
     runs-on: ubuntu-latest
     steps:
-
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
-
       - name: Login to Public ECR
         uses: docker/login-action@v1
         with:
@@ -19,32 +17,23 @@ jobs:
           password: ${{ secrets.AWS_PROD_ECR_VIADEE_SECRET_ACCESS_KEY }}
         env:
           AWS_REGION: us-east-1
-       
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
-
-      - name: Set up JDK 1.11
-        uses: actions/setup-java@v3
-        with:
-            distribution: 'adopt' # See 'Supported distributions' for available options
-            java-version: '11'
-
-      - name: Cache local Maven repository
-        uses: actions/cache@v2
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
         with:
-          path: ~/.m2/repository
-          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
-          restore-keys: |
-            ${{ runner.os }}-maven-
+          java-version: "21"
+          distribution: "adopt" # See 'Supported distributions' for available options
+          cache: 'maven'
 
       - name: Maven package
-        run: mvn package -B
+        run: mvn -B package
 
-
-      -
-        name: Docker meta
+      - name: Docker meta
         id: meta
-        uses: docker/metadata-action@v3
+        uses: docker/metadata-action@v5
         with:
           images: public.ecr.aws/m4k8r3n4/k8s-demo-app
           tags: |
@@ -54,11 +43,10 @@ jobs:
             type=semver,pattern={{major}}.{{minor}}
 
       - name: Build and push Docker images
-        uses: docker/build-push-action@v2.10.0
+        uses: docker/build-push-action@v5
         with:
           context: .
           platforms: linux/amd64,linux/arm64
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}          
-
+          labels: ${{ steps.meta.outputs.labels }}

.github/workflows/maven.yml

@@ -1,26 +1,27 @@
 # This workflow will build a Java project with Maven, and cache/restore any dependencies to improve the workflow execution time
-# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-java-with-maven
 
 name: Java CI with Maven
 
 on:
   push:
-    branches: [ master ]
+    branches: [master]
   pull_request:
-    branches: [ master ]
+    branches: [master]
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
-    - name: Set up JDK 11
-      uses: actions/setup-java@v3
-      with:
-        java-version: '11'
-        distribution: 'adopt'
-        cache: maven
-    - name: Build with Maven
-      run: mvn -B package --file pom.xml
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: "21"
+          distribution: "liberica" # See 'Supported distributions' for available options
+          cache: 'maven'
+
+      - name: Maven package
+        run: mvn -B package

.github/workflows/native_build.yaml

@@ -0,0 +1,33 @@
+# This workflow will build a Java project with Maven, and cache/restore any dependencies to improve the workflow execution time
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-java-with-maven
+
+name: Java CI Native Build with Maven
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: "21"
+          distribution: "graalvm" # See 'Supported distributions' for available options
+          cache: 'maven'
+
+      - name: Maven native build
+        run: mvn package -Pnative native:compile
+      - name: 'Upload Artifact'
+        uses: actions/upload-artifact@v4
+        with:
+          name: native-build
+          path: target/k8s-demo-app
+          retention-days: 5

.github/workflows/native_build_push_to_ecr.yaml

@@ -0,0 +1,52 @@
+name: build release and push to ECR
+on:
+  release:
+    types: [prereleased, released]
+jobs:
+  build_and_push:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Login to Public ECR
+        uses: docker/login-action@v1
+        with:
+          registry: public.ecr.aws
+          username: ${{ secrets.AWS_PROD_ECR_VIADEE_ACCESS_KEY_ID }}
+          password: ${{ secrets.AWS_PROD_ECR_VIADEE_SECRET_ACCESS_KEY }}
+        env:
+          AWS_REGION: us-east-1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: "21"
+          distribution: "graalvm" # See 'Supported distributions' for available options
+          cache: 'maven'
+
+      - name: Maven native build
+        run: mvn package -Pnative native:compile
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: public.ecr.aws/m4k8r3n4/k8s-demo-app-native
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+
+      - name: Build and push Docker images
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -1,4 +1,4 @@
-FROM openjdk:11-slim
+FROM openjdk:17-slim
 COPY target/k8s-demo-app.jar app.jar
 RUN groupadd -g 1000 appuser && \
     useradd -u 1000 -g 1000 appuser

Dockerfile.Multistage

@@ -1,4 +1,4 @@
-FROM maven:3.6-jdk-11-slim as build_container
+FROM maven:3.8-openjdk-17-slim as build_container
 
 WORKDIR /build
 COPY pom.xml .
@@ -8,7 +8,7 @@ COPY  . /usr/src/build
 WORKDIR /usr/src/build
 RUN mvn package -B
 
-FROM openjdk:11-slim
+FROM openjdk:17-slim
 COPY --from=build_container /usr/src/build/target/k8s-demo-app.jar app.jar
 RUN groupadd -g 1000 appuser && \
     useradd -u 1000 -g 1000 appuser

README.md

@@ -31,3 +31,20 @@ Or build and run with maven locally:
 
  Or just do a local docker build: `docker build -t imagename .`
  Then you can run the container locally.
+
+
+## Native Build in github Codespaces
+
+ ```shell
+mvn clean
+# 'package' contains step 'process-aot' which is needed for native:compile
+mvn package -Pnative 
+mvn native:compile
+# If "[1/8] Initializing..." fails, it might be due to a lag of resources. Try increasing the VM resources.
+ ```
+
+### start native build
+```shell
+./target/k8s-demo-app
+./target/k8s-demo-app --spring.profiles.active=red
+```

pom.xml

@@ -5,7 +5,7 @@
 
 	<groupId>de.viadee.k8s.testapp</groupId>
 	<artifactId>k8s-demo-app</artifactId>
-	<version>0.2.0-SNAPSHOT</version>
+	<version>0.2.2-SNAPSHOT</version>
 	<packaging>jar</packaging>
 
 	<name>k8s-demo-app</name>
@@ -14,14 +14,15 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.7.0</version>
+		<version>3.3.5</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-		<java.version>11</java.version>
+		<java.version>21</java.version>
+		<!-- <hibernate.version>6.4.2.Final</hibernate.version> https://github.com/spring-projects/spring-boot/issues/39744 -->
 	</properties>
 
 	<dependencies>
@@ -54,21 +55,24 @@
 		<dependency>
 			<groupId>org.webjars</groupId>
 			<artifactId>bootstrap</artifactId>
-			<version>5.2.3</version>
-		</dependency>
-		<dependency>
-			<groupId>org.webjars</groupId>
-			<artifactId>webjars-locator-core</artifactId>
-			<version>0.54</version>
+			<!-- On update replace version in htmls (needed for native )-->
+			<version>5.3.3</version>
 		</dependency>
 	</dependencies>
 
     <build>
         <finalName>${project.artifactId}</finalName>
         <plugins>
+			<plugin>
+				<groupId>org.graalvm.buildtools</groupId>
+				<artifactId>native-maven-plugin</artifactId>
+			</plugin>
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
+				<configuration>
+
+				</configuration>
                 <executions>
                     <execution>
                         <goals>

src/main/java/de/viadee/k8s/testapp/config/NativeReflectionRuntimeHintConfig.java

@@ -0,0 +1,37 @@
+package de.viadee.k8s.testapp.config;
+
+import org.springframework.aot.hint.MemberCategory;
+import org.springframework.aot.hint.RuntimeHints;
+import org.springframework.aot.hint.RuntimeHintsRegistrar;
+import org.springframework.aot.hint.annotation.RegisterReflectionForBinding;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.ImportRuntimeHints;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+
+import java.util.HashMap;
+import java.util.Map;
+
+
+@Configuration
+@RegisterReflectionForBinding(classes = {HashMap.class})
+@ImportRuntimeHints(NativeReflectionRuntimeHintConfig.NativeRuntimeHints.class)
+@EnableWebMvc
+public class NativeReflectionRuntimeHintConfig {
+
+    static class NativeRuntimeHints implements RuntimeHintsRegistrar {
+
+        @Override
+        public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
+
+            // especially for rendering k8s_env.html
+            hints.reflection().registerType(Map.Entry.class, MemberCategory.values());
+            // hints.reflection().registerType(HashMap.class, MemberCategory.values());
+            // Innere Klassen
+           hints.reflection().registerTypeIfPresent(classLoader, "java.util.HashMap$Node"
+                    , MemberCategory.values());
+
+            hints.resources().registerPattern("META-INF/resources/webjars/bootstrap/5.3.3/css/bootstrap.min.css");
+            hints.resources().registerPattern("META-INF/resources/webjars/bootstrap/5.3.3/js/bootstrap.min.js");
+        }
+    }
+}

src/main/java/de/viadee/k8s/testapp/config/WebConfig.java

@@ -0,0 +1,18 @@
+package de.viadee.k8s.testapp.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+
+@Configuration
+@EnableWebMvc
+public class WebConfig implements WebMvcConfigurer {
+
+    @Override
+    public void addResourceHandlers(ResourceHandlerRegistry registry) {
+        registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");
+    }
+
+}