add build badge

.github/workflows/build.yml

@@ -0,0 +1,36 @@
+name: Build
+
+on:
+  - push
+  - pull_request
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up JDK 17
+        uses: actions/setup-java@v2
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+      - run: chmod +x app/gradlew
+
+      - name: Build with Gradle
+        uses: gradle/gradle-build-action@v2
+        with:
+          arguments: build
+          build-root-directory: app
+
+      - run: chmod +x app/gradlew
+      - run: make -C app run-dist
+
+      - name: Publish code coverage
+        uses: paambaati/codeclimate-action@v3.0.0
+        env:
+          CC_TEST_REPORTER_ID: ${{secrets.CC_TEST_REPORTER_ID}}
+          JACOCO_SOURCE_PATH: app/src/main/java
+        with:
+          coverageCommand: make -C app test-report
+          coverageLocations: ${{github.workspace}}/app/build/reports/jacoco/test/jacocoTestReport.xml:jacoco

README.md

@@ -1,8 +1,8 @@
 # Java assignments labs
 
-This repository contains a set of Java-related assignments dedicated to such topics as collections framework, OOP, web-development, Spring, Docker and advanced topics.
+[![Java CI](https://github.com/Linkshegelianer/java-labs/workflows/build/badge.svg)](https://github.com/Linkshegelianer/java-labs/actions/workflows/build.yml) [![Maintainability](https://api.codeclimate.com/v1/badges/b628f364f74f171d42f9/maintainability)](https://codeclimate.com/github/Linkshegelianer/java-labs/maintainability) [![Test Coverage](https://api.codeclimate.com/v1/badges/b628f364f74f171d42f9/test_coverage)](https://codeclimate.com/github/Linkshegelianer/java-labs/test_coverage)
 
-[![Maintainability](https://api.codeclimate.com/v1/badges/b628f364f74f171d42f9/maintainability)](https://codeclimate.com/github/Linkshegelianer/java-labs/maintainability) [![Test Coverage](https://api.codeclimate.com/v1/badges/b628f364f74f171d42f9/test_coverage)](https://codeclimate.com/github/Linkshegelianer/java-labs/test_coverage)
+This repository contains a set of Java-related assignments dedicated to such topics as collections framework, OOP, web-development, Spring, Docker and advanced topics.
 
 ## Index
 * **Collections**