diff --git a/.gitignore b/.gitignore
index c5e9d24..afd7d10 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 /release/
+/vendor/
 
 plugin-docker-buildx
 
diff --git a/.woodpecker/main.yml b/.woodpecker.yml
similarity index 80%
rename from .woodpecker/main.yml
rename to .woodpecker.yml
index f83ed32..6afccf2 100644
--- a/.woodpecker/main.yml
+++ b/.woodpecker.yml
@@ -2,9 +2,18 @@ branches: main
 
 variables:
     - &platforms 'linux/amd64,linux/arm64'
+    - &golang 'golang:1.18'
 
 pipeline:
-  dryrun:
+  vendor:
+    image: *golang
+    commands: go mod vendor
+
+  test:
+    image: *golang
+    commands: go test -cover ./...
+
+  publish-dryrun:
     image: woodpeckerci/plugin-docker-buildx:v20.10.18
     settings:
       platforms: *platforms
diff --git a/plugin/impl.go b/plugin/impl.go
index 1d271b3..5866a14 100644
--- a/plugin/impl.go
+++ b/plugin/impl.go
@@ -130,7 +130,7 @@ func (p *Plugin) writeBuildkitConfig() error {
 		caPath := fmt.Sprintf("/etc/docker/certs.d/%s/ca.crt", registry)
 		ca, err := os.Open(caPath)
 		if err != nil && !os.IsNotExist(err) {
-			logrus.Warnf("error reading %s: %w", caPath, err)
+			logrus.Warnf("error reading %s: %v", caPath, err)
 		} else if err == nil {
 			ca.Close()
 			p.settings.Daemon.BuildkitConfig = fmt.Sprintf(buildkitConfigTemplate, registry, caPath)