env: add publish workflow for GitHub Actions

.github/workflows/publish-without-test.yml

@@ -0,0 +1,17 @@
+name: Publish with Gradle
+on:
+  push:
+    branches:
+      - master
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions/setup-java@v1
+        with:
+          java-version: 11
+      - name: Publish package
+        run: ./gradlew build publish -x test
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

build.gradle

@@ -1,22 +1,46 @@
 plugins {
-    id 'java'
-    id 'idea'
+    id "java"
+    id "idea"
+    id "maven-publish"
+}
+
+group = "com.rakovets.course"
+version = "1.0.0"
+
+compileJava.options.encoding = "UTF-8"
+
+java {
+    withSourcesJar()
+
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(15)
+    }
 }
 
 repositories {
     mavenCentral()
+    jcenter()
 }
 
 dependencies {
-    testImplementation('org.junit.jupiter:junit-jupiter:5.5.2')
+    testImplementation("org.junit.jupiter:junit-jupiter:5.6.3")
 }
 
-compileJava.options.encoding = 'UTF-8'
-compileTestJava.options.encoding = 'UTF-8'
 
-test {
+test() {
     useJUnitPlatform()
-    testLogging {
-        events "passed", "skipped", "failed"
+    systemProperty("file.encoding", "UTF-8")
+}
+
+publishing {
+    repositories {
+        maven {
+            name = "GitHubPackages"
+            url = uri("https://maven.pkg.github.com/rakovets/course-java-basics")
+            credentials {
+                username = System.getenv("GITHUB_ACTOR")
+                password = System.getenv("GITHUB_TOKEN")
+            }
+        }
     }
 }

settings.gradle

@@ -0,0 +1 @@
+rootProject.name = "course-java-basics"