drone with docker-build not buildx

drone.yml

@@ -2,21 +2,11 @@ kind: pipeline
 type: docker
 name: build-and-push
 
-# BuildKit-Service für parallele Multiarch-Builds
-services:
-  - name: buildkitd
-    image: moby/buildkit:buildx-stable-1
-    privileged: true
-    command: ["buildkitd", "--addr", "tcp://0.0.0.0:1234", "--debug"]
-    # Netzwerk explizit öffnen
-    network_mode: host
-
 steps:
   - name: build-amd64
     image: docker:26
     privileged: true
     environment:
-      BUILDKIT_HOST: tcp://buildkitd:1234
       REGISTRY_URL:
         from_secret: REGISTRY_URL
       DOCKER_USER:
@@ -30,20 +20,13 @@ steps:
       - |
         echo "=== Building amd64 image ==="
         docker login "$REGISTRY_URL" -u "$DOCKER_USER" -p "$DOCKER_PASS"
-        docker buildx create --use --driver docker-container --driver-opt network=host
-        docker buildx inspect --bootstrap
-        docker buildx build \
-          --platform linux/amd64 \
-          --output=type=registry \
-          --provenance=false \
-          -t ${REGISTRY_URL}/portainer-agent-tailscale:amd64 \
-          --push .
+        docker build -t ${REGISTRY_URL}/portainer-agent-tailscale:amd64 .
+        docker push ${REGISTRY_URL}/portainer-agent-tailscale:amd64
 
   - name: build-arm64
     image: docker:26
     privileged: true
     environment:
-      BUILDKIT_HOST: tcp://buildkitd:1234
       REGISTRY_URL:
         from_secret: REGISTRY_URL
       DOCKER_USER:
@@ -57,14 +40,8 @@ steps:
       - |
         echo "=== Building arm64 image ==="
         docker login "$REGISTRY_URL" -u "$DOCKER_USER" -p "$DOCKER_PASS"
-        docker buildx create --use --driver docker-container --driver-opt network=host
-        docker buildx inspect --bootstrap
-        docker buildx build \
-          --platform linux/arm64 \
-          --output=type=registry \
-          --provenance=false \
-          -t ${REGISTRY_URL}/portainer-agent-tailscale:arm64 \
-          --push .
+        docker build -t ${REGISTRY_URL}/portainer-agent-tailscale:arm64 .
+        docker push ${REGISTRY_URL}/portainer-agent-tailscale:arm64
 
   - name: create-manifest
     image: docker:26