Update 'build-alpine.jenkins'

build-alpine.jenkins

@@ -48,7 +48,7 @@ spec:
 
 		stage("Build Alpine with CA") {
 			container("kaniko") {
-				def DF = """FROM ${repository}/library/alpine:latest
+				def DF = """FROM ${repository}/dockerhub/library/alpine:latest
 
 RUN printf '%s\\n' "-----BEGIN CERTIFICATE-----" \\
       "MIICLTCCAbOgAwIBAgIDAYagMAoGCCqGSM49BAMEME0xCzAJBgNVBAYTAlVTMScw" \\