Added a Dockerfile and completely refactored the Woodpecker pipeline.

.woodpecker/build-image.yml

@@ -0,0 +1,15 @@
+when:
+  # Allow both normal runs (push) and UI-triggered runs (manual)
+  - event: [push, manual]
+
+steps:
+  - name: build-and-push-image
+    image: woodpeckerci/plugin-kaniko
+    settings:
+      registry: harbor.maximumdirect.net
+      repo: build/weatherfeeder
+      auto_tag: true 
+      username:
+        from_secret: HARBOR_ROBOT_USER
+      password:
+        from_secret: HARBOR_ROBOT_TOKEN