diff --git a/.justfile b/.justfile
index bf90c67..b8a3119 100644
--- a/.justfile
+++ b/.justfile
@@ -16,7 +16,8 @@
 # Build image with local docker daemon.
 [group('image')]
 @build:
-	docker buildx build . --tag=kokuwaio/buildctl --platform=linux/amd64,linux/arm64
+	docker buildx build . --tag=kokuwaio/buildctl --platform=linux/amd64,linux/arm64 --push
+	docker buildx build . --platform=linux/amd64,linux/arm64 --push --tag registry.kokuwa.io/b
 
 # Inspect image with docker.
 [group('image')]
diff --git a/.woodpecker/build.yaml b/.woodpecker/build.yaml
index 2dde0fd..bfed089 100644
--- a/.woodpecker/build.yaml
+++ b/.woodpecker/build.yaml
@@ -7,24 +7,6 @@ when:
 
 steps:
 
-  buildd:
-    image: kokuwaio/buildctl:v0.21.0
-    pull: true
-    commands:
-      - echo $AUTH | base64 -w0
-      - env | sort
-    environment:
-      auth:
-        docker.io:
-          username: {from_secret: docker_io_username}
-          password: {from_secret: docker_io_password}
-        ghcr.io:
-          username: {from_secret: ghcr_io_username}
-          password: {from_secret: ghcr_io_password}
-        registry.kokuwa.io:
-          username: {from_secret: kokuwa_io_username}
-          password: {from_secret: kokuwa_io_password}
-
   build:
     image: kokuwaio/buildctl:v0.21.0
     pull: true
diff --git a/entrypoint.sh b/entrypoint.sh
index 5cdd572..54293cb 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -eu;
+set -eXu;
 #CI_PIPELINE_NUMBER=1
 #CI_REPO_URL=CI_REPO_URL
 #CI_COMMIT_SHA=123
@@ -8,7 +8,7 @@ set -eu;
 #PLUGIN_NAME=registry.kokuwa.io/buildctl:$CI_PIPELINE_NUMBER
 #PLUGIN_PLATFORM=linux/amd64,linux/arm64
 #PLUGIN_AUTH='{"auths":{"registry.kokuwa.io":{"auth":"d29vZHBlY2tlcjo5cVRrVlpXSW1ITndXWXVMZ1pMajVST0FuYmZlOTEyUjlLWFFIVW51MG1iOGx5UWl5Z3hFUEZxVTN0REo5VzdE"},"ghcr.io":{"auth":"c3NjaG5hYmU6Z2hwX0lHVEswWkk0YTBqN2EzTjNIMlBmOEc2UFl1eGpEYjRmUlk0Yw=="},"https://index.docker.io/v1/":{"auth":"c3NjaG5hYmU6ZGNrcl9wYXRfZ3RnZ1k4RFdzUjJmZlRLTU1yWVI2cFR5Y1VF=="}}}'
-
+echo $PLUGIN_AUTH | base64 -w0
 ##
 ## check input
 ##