ci: use docker cli directly - images already in registry

.woodpecker.yml

@@ -4,22 +4,15 @@ when:
 
 steps:
   - name: build-and-push
-    image: registry.nxtgauge.com/kaniko:2.1.1
-    settings:
-      registry:
+    image: registry.nxtgauge.com/docker:28-cli
+    environment:
+      REGISTRY_HOSTPORT:
         from_secret: REGISTRY_HOSTPORT
-      repo: nxtgauge-ai-assistant
-      dockerfile: Dockerfile
-      tags:
-        - ${CI_COMMIT_SHA}
-        - latest
-        - high-performance-latest
-      username:
+      REGISTRY_USERNAME:
         from_secret: REGISTRY_USERNAME
-      password:
+      REGISTRY_PASSWORD:
         from_secret: REGISTRY_PASSWORD
-      insecure: true
-      insecure_pull: true
-      skip_tls_verify: true
-      platforms: linux/amd64
-      cache: false
+    commands:
+      - echo "${REGISTRY_PASSWORD}" | docker login "${REGISTRY_HOSTPORT}" -u "${REGISTRY_USERNAME}" --password-stdin
+      - docker build -t "${REGISTRY_HOSTPORT}/nxtgauge-ai-assistant" -f Dockerfile .
+      - docker push "${REGISTRY_HOSTPORT}/nxtgauge-ai-assistant"