Merge pull request #26 from ikochuev/lesson28

lesson28: Full CI Pipeline

Author: ikochuev

.github/workflows/ci.yml

@@ -0,0 +1,72 @@
+name: CI Pipeline Lesson28
+
+on:
+  push:
+    branches: [ main, lesson28 ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build-test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        app: [hello-world, hello-jenkins, hello-devops]
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Set up Java 17
+      uses: actions/setup-java@v4
+      with:
+        java-version: '17'
+        distribution: 'temurin'
+        cache: 'maven'
+    
+    - name: Test ${{ matrix.app }}
+      run: mvn -B test --file lesson28/${{ matrix.app }}/pom.xml
+    
+    - name: Build ${{ matrix.app }}
+      run: mvn -B package -DskipTests --file lesson28/${{ matrix.app }}/pom.xml
+    
+    - name: Upload ${{ matrix.app }} JAR
+      uses: actions/upload-artifact@v4
+      with:
+        name: ${{ matrix.app }}-jar
+        path: lesson28/${{ matrix.app }}/target/*.jar
+
+  docker-build-push:
+    runs-on: ubuntu-latest
+    needs: build-test
+    strategy:
+      matrix:
+        app: [hello-world, hello-jenkins, hello-devops]
+    permissions:
+      contents: read
+      packages: write
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Download ${{ matrix.app }} JAR
+      uses: actions/download-artifact@v4
+      with:
+        name: ${{ matrix.app }}-jar
+        path: lesson28/${{ matrix.app }}/target/
+    
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+    
+    - name: Login to GHCR
+      uses: docker/login-action@v3
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+    
+    - name: Build and push ${{ matrix.app }}
+      uses: docker/build-push-action@v6
+      with:
+        context: lesson28/${{ matrix.app }}/
+        push: true
+        tags: |
+          ghcr.io/ikochuev/codeby-devops-${{ matrix.app }}:${{ github.sha }}
+          ghcr.io/ikochuev/codeby-devops-${{ matrix.app }}:latest

lesson28/.dockerignore

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+FROM maven:3.8-openjdk-17 AS build
+WORKDIR /app
+COPY pom.xml .
+RUN mvn dependency:go-offline -B
+COPY src src
+RUN mvn clean package -DskipTests
+
+FROM eclipse-temurin:17-jre
+WORKDIR /app
+COPY --from=build /app/target/*.jar app.jar
+ENTRYPOINT ["java", "-jar", "app.jar"]

lesson28/hello-devops/Dockerfile

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>com.mycompany.app</groupId>
+  <artifactId>hello-devops</artifactId>
+  <version>1.0-SNAPSHOT</version>
+  <properties>
+    <maven.compiler.source>17</maven.compiler.source>
+    <maven.compiler.target>17</maven.compiler.target>
+  </properties>
+  <dependencies>
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter</artifactId>
+      <version>5.10.0</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+</project>

lesson28/hello-devops/pom.xml

@@ -0,0 +1,7 @@
+package com.mycompany.app;
+public class App {
+    private static final String MESSAGE = "Hello Devops!";
+    public App() {}
+    public static void main(String[] args) { System.out.println(MESSAGE); }
+    public String getMessage() { return MESSAGE; }
+}

lesson28/hello-devops/src/main/java/com/mycompany/app/App.java

@@ -0,0 +1,12 @@
+package com.mycompany.app;
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+public class AppTest {
+    @Test void testAppConstructor() {
+        App app1 = new App(); App app2 = new App();
+        assertEquals(app1.getMessage(), app2.getMessage());
+    }
+    @Test void testAppMessage() {
+        assertEquals("Hello Devops!", new App().getMessage());
+    }
+}

lesson28/hello-devops/src/test/java/com/mycompany/app/AppTest.java

@@ -0,0 +1,11 @@
+FROM maven:3.8-openjdk-17 AS build
+WORKDIR /app
+COPY pom.xml .
+RUN mvn dependency:go-offline -B
+COPY src src
+RUN mvn clean package -DskipTests
+
+FROM eclipse-temurin:17-jre
+WORKDIR /app
+COPY --from=build /app/target/*.jar app.jar
+ENTRYPOINT ["java", "-jar", "app.jar"]

lesson28/hello-jenkins/Dockerfile

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>com.mycompany.app</groupId>
+  <artifactId>hello-jenkins</artifactId>
+  <version>1.0-SNAPSHOT</version>
+  <properties>
+    <maven.compiler.source>17</maven.compiler.source>
+    <maven.compiler.target>17</maven.compiler.target>
+  </properties>
+  <dependencies>
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter</artifactId>
+      <version>5.10.0</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+</project>

lesson28/hello-jenkins/pom.xml

@@ -0,0 +1,7 @@
+package com.mycompany.app;
+public class App {
+    private static final String MESSAGE = "Hello Jenkins!";
+    public App() {}
+    public static void main(String[] args) { System.out.println(MESSAGE); }
+    public String getMessage() { return MESSAGE; }
+}

lesson28/hello-jenkins/src/main/java/com/mycompany/app/App.java

@@ -0,0 +1,12 @@
+package com.mycompany.app;
+import org.junit.jupiter.api.Test;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+public class AppTest {
+    @Test void testAppConstructor() {
+        App app1 = new App(); App app2 = new App();
+        assertEquals(app1.getMessage(), app2.getMessage());
+    }
+    @Test void testAppMessage() {
+        assertEquals("Hello Jenkins!", new App().getMessage());
+    }
+}