Upgrade alpine base image

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <[email protected]>

Author: alexellis

Dockerfile

@@ -30,7 +30,7 @@ RUN GOOS=${TARGETOS} GOARCH=${TARGETARCH} CGO_ENABLED=${CGO_ENABLED} go build \
         --ldflags "-s -w -X 'github.com/openfaas/mqtt-connector/version.GitCommit=${GIT_COMMIT}' -X 'github.com/openfaas/mqtt-connector/version.Version=${VERSION}'" \
         -a -installsuffix cgo -o mqtt-connector
 
-FROM --platform=${TARGETPLATFORM:-linux/amd64} alpine:3.12 as ship
+FROM --platform=${TARGETPLATFORM:-linux/amd64} alpine:3.14 as ship
 LABEL org.label-schema.license="MIT" \
       org.label-schema.vcs-url="https://github.com/openfaas/mqtt-connector" \
       org.label-schema.vcs-type="Git" \

main.go

@@ -128,12 +128,12 @@ func main() {
 			data := []byte(incoming[1])
 
 			if trimChannelKey {
-				log.Printf("Topic before trim: %s\n", topic)
+				log.Printf("Topic before trim: %s", topic)
 				index := strings.Index(topic, "/")
 				topic = topic[index+1:]
 			}
 
-			log.Printf("Invoking (%s) on topic: %q, value: %q\n", gatewayURL, topic, data)
+			log.Printf("Invoking (%s) on topic: %q, value: %q", gatewayURL, topic, data)
 
 			controller.Invoke(topic, &data)