added woodpecker workflow

.woodpecker/main.yml

@@ -0,0 +1,17 @@
+steps: 
+  build:
+    image: eclipse-temurin:17-jdk
+    commands: 
+      - chmod +x ./gradlew
+      - ./gradlew build --no-daemon
+  maven-publish:
+    image: eclipse-temurin:17-jdk
+    when:
+      branch: main
+    commands:
+      - chmod +x ./gradlew
+      - ./gradlew publish --no-daemon
+    environment: 
+      - LOCAL_MAVEN=/var/www/maven
+    volumes:
+      - /var/www/maven:/var/www/maven

Jenkinsfile

@@ -1,35 +0,0 @@
-pipeline {
-  agent any
-  stages {
-    stage('Clean') {
-      steps {
-        sh 'chmod +x ./gradlew'
-        sh './gradlew clean --no-daemon'
-      }
-    }
-
-    stage('Build') {
-      steps {
-        sh './gradlew build --no-daemon'
-      }
-    }
-
-    stage('Upload Artifacts') {
-      steps {
-        archiveArtifacts 'build/libs/**.jar'
-      }
-    }
-
-    stage('Publish') {
-      when {
-        branch 'main'
-      }
-      steps {
-        sh './gradlew publish --no-daemon'
-      }
-    }
-  }
-  environment {
-    local_maven = '/var/www/maven'
-  }
-}

build.gradle

@@ -230,7 +230,7 @@ publishing {
     }
     repositories {
         maven {
-            url "file://" + System.getenv("local_maven")
+            url "file://" + System.getenv("LOCAL_MAVEN")
         }
     }
 }