chore: add Drone CI/CD, docker-compose, deploy script and update Dockerfile to Java 21

.drone.yml

@@ -0,0 +1,50 @@
+kind: pipeline
+type: docker
+name: default
+
+trigger:
+  branch:
+    - master
+  event:
+    - push
+
+steps:
+  - name: maven-package
+    image: maven:3-eclipse-temurin-21-alpine
+    volumes:
+      - name: maven-cache
+        path: /root/.m2
+    commands:
+      - mvn clean package -DskipTests -B
+
+  - name: docker-build-and-push
+    image: plugins/docker
+    settings:
+      registry: 192.168.31.253
+      repo: 192.168.31.253/yescent/par
+      tags: latest
+      dockerfile: par-api/Dockerfile
+      username:
+        from_secret: harbor_username
+      password:
+        from_secret: harbor_password
+
+  - name: deploy
+    image: appleboy/drone-ssh
+    settings:
+      host: 192.168.31.252
+      username:
+        from_secret: ssh_username
+      password:
+        from_secret: ssh_password
+      port: 22
+      script:
+        - cd /data/par
+        - ./deploy.sh
+      command_timeout: 2m
+      timeout: 2m
+
+volumes:
+  - name: maven-cache
+    host:
+      path: /tmp/drone/cache/maven