Add Maven Central publish workflow and metadata

Author: Usukhbayar

.github/workflows/publish.yml

@@ -0,0 +1,29 @@
+name: Publish to Maven Central
+on:
+  release:
+    types: [published]
+  workflow_dispatch:
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
+        with:
+          java-version: "17"
+          distribution: "temurin"
+          server-id: central
+          server-username: MAVEN_USERNAME
+          server-password: MAVEN_PASSWORD
+          gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
+          gpg-passphrase: GPG_PASSPHRASE
+      - name: Build
+        run: mvn -B compile
+      - name: Test
+        run: mvn -B test
+      - name: Publish
+        run: mvn -B deploy -DskipTests
+        env:
+          MAVEN_USERNAME: ${{ secrets.MAVEN_USERNAME }}
+          MAVEN_PASSWORD: ${{ secrets.MAVEN_PASSWORD }}
+          GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}

pom.xml

@@ -11,6 +11,40 @@
 
     <name>QPay Java SDK</name>
     <description>Java SDK for QPay V2 API</description>
+    <url>https://github.com/qpay-sdk/qpay-java</url>
+
+    <licenses>
+        <license>
+            <name>MIT License</name>
+            <url>https://opensource.org/licenses/MIT</url>
+            <distribution>repo</distribution>
+        </license>
+    </licenses>
+
+    <developers>
+        <developer>
+            <id>qpay-sdk</id>
+            <name>QPay SDK Authors</name>
+            <url>https://github.com/qpay-sdk</url>
+        </developer>
+    </developers>
+
+    <scm>
+        <connection>scm:git:git://github.com/qpay-sdk/qpay-java.git</connection>
+        <developerConnection>scm:git:ssh://github.com:qpay-sdk/qpay-java.git</developerConnection>
+        <url>https://github.com/qpay-sdk/qpay-java</url>
+    </scm>
+
+    <distributionManagement>
+        <snapshotRepository>
+            <id>central</id>
+            <url>https://s01.oss.sonatype.org/content/repositories/snapshots</url>
+        </snapshotRepository>
+        <repository>
+            <id>central</id>
+            <url>https://s01.oss.sonatype.org/service/local/staging/deploy/maven2/</url>
+        </repository>
+    </distributionManagement>
 
     <properties>
         <maven.compiler.source>17</maven.compiler.source>
@@ -57,6 +91,52 @@
                 <artifactId>maven-surefire-plugin</artifactId>
                 <version>3.2.5</version>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-source-plugin</artifactId>
+                <version>3.3.1</version>
+                <executions>
+                    <execution>
+                        <id>attach-sources</id>
+                        <goals>
+                            <goal>jar-no-fork</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-javadoc-plugin</artifactId>
+                <version>3.6.3</version>
+                <executions>
+                    <execution>
+                        <id>attach-javadocs</id>
+                        <goals>
+                            <goal>jar</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-gpg-plugin</artifactId>
+                <version>3.2.4</version>
+                <executions>
+                    <execution>
+                        <id>sign-artifacts</id>
+                        <phase>verify</phase>
+                        <goals>
+                            <goal>sign</goal>
+                        </goals>
+                        <configuration>
+                            <gpgArguments>
+                                <arg>--pinentry-mode</arg>
+                                <arg>loopback</arg>
+                            </gpgArguments>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
         </plugins>
     </build>
 </project>