implement deploy pipe

.drone.yml

@@ -29,3 +29,32 @@ steps:
         from_secret: sonar_instance_url
       SONAR_LOGIN_KEY:
         from_secret: sonar_login_key
+
+---
+
+kind: pipeline
+name: deploy
+type: docker
+platform:
+  os: linux
+  arch: arm64
+
+trigger:
+  event:
+    - promote
+  target:
+    - production
+
+steps:
+  # skip all previous steps because they were already ran in the "build" phase; we don't need to re-analyze the code.
+
+  # upload to maven repository
+  - name: maven-deploy
+    image: maven:3-eclipse-temurin-21
+    commands:
+      - mvn deploy --no-transfer-progress -DskipTests=true -Dmaven.javadoc.skip=true -B -V -gs settings.xml -Dmaven.repo.username=$MAVEN_REPO_USERNAME -Dmaven.repo.password=$MAVEN_REPO_PASSWORD
+    environment:
+      MAVEN_REPO_USERNAME:
+        from_secret: maven_repo_username
+      MAVEN_REPO_PASSWORD:
+        from_secret: maven_repo_password

settings.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<settings xmlns="http://maven.apache.org/SETTINGS/1.1.0"
+          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.1.0 http://maven.apache.org/xsd/settings-1.1.0.xsd">
+
+    <servers>
+        <server>
+            <id>nexus-snapshots</id>
+            <username>${maven.repo.username}</username>
+            <password>${maven.repo.password}</password>
+        </server>
+        <server>
+            <id>nexus-releases</id>
+            <username>${maven.repo.username}</username>
+            <password>${maven.repo.password}</password>
+        </server>
+    </servers>
+
+</settings>
+