Publish to Maven package to Maven Central instead of GitHub Registry (#…

…17)

* Publish to Maven package to Maven Central instead of GitHub Registry

* Only apply archive.gradle when we publish the package

.github/workflows/release.yml

@@ -34,12 +34,16 @@ jobs:
 
           echo "version=${VERSION}" >> $GITHUB_OUTPUT
 
-      - name: Upload the package to GitHub Package
+      - name: Upload the package to Maven Central Repository
         run: |
+          echo "${{ secrets.SIGNING_SECRET_KEY_RING }}" | base64 -d > ~/.gradle/secring.gpg
           ./gradlew publish \
             -PprojVersion="${{ steps.version.outputs.version }}" \
-            -PgprUsername="${{ github.repository_owner }}" \
-            -PgprPassword="${{ secrets.CR_PAT }}"
+            -Psigning.keyId="${{ secrets.SIGNING_KEY_ID }}" \
+            -Psigning.password="${{ secrets.SIGNING_PASSWORD }}" \
+            -Psigning.secretKeyRingFile="$(echo ~/.gradle/secring.gpg)" \
+            -PossrhUsername="${{ secrets.OSSRH_USERNAMAE }}" \
+            -PossrhPassword="${{ secrets.OSSRH_PASSWORD }}"
 
       - name: Build the shadow Jar
         run: ./gradlew shadowJar

lib/archive.gradle

@@ -1,4 +1,5 @@
 apply plugin: 'maven-publish'
+apply plugin: 'signing'
 
 publishing {
     publications {
@@ -37,11 +38,17 @@ publishing {
     }
     repositories {
         maven {
-            url = uri("https://maven.pkg.github.com/scalar-labs/scalar-admin-k8s")
+            def releasesRepoUrl = "https://oss.sonatype.org/service/local/staging/deploy/maven2"
+            def snapshotsRepoUrl = "https://oss.sonatype.org/content/repositories/snapshots"
+            url = version.endsWith('SNAPSHOT') ? snapshotsRepoUrl : releasesRepoUrl
             credentials {
-                username = project.findProperty("gprUsername") ?: System.getenv("GPR_USERNAME")
-                password = project.findProperty("gprPassword") ?: System.getenv("GPR_PASSWORD")
+                username = "${ossrhUsername}"
+                password = "${ossrhPassword}"
             }
         }
     }
 }
+
+signing {
+    sign publishing.publications.mavenJava
+}

lib/build.gradle

@@ -17,4 +17,9 @@ test {
     }
 }
 
-apply from: 'archive.gradle'
+// for archiving and uploading to maven central
+if (!project.gradle.startParameter.taskNames.isEmpty() &&
+    (project.gradle.startParameter.taskNames[0].endsWith('publish') ||
+     project.gradle.startParameter.taskNames[0].endsWith('publishToMavenLocal'))) {
+    apply from: 'archive.gradle'
+}