Use buildx

Dockerfile.multi-stage

@@ -1,4 +1,3 @@
-ARG REPO=library
 FROM golang:1.20 AS builder
 
 RUN mkdir /app
@@ -9,12 +8,13 @@ RUN go mod download
 
 COPY ./*.go /app/
 
-ARG ARCH=amd64
+ARG TARGETOS
+ARG TARGETARCH
 ARG VERSION=dev
-ENV CGO_ENABLED=0 GOOS=linux GOARCH=${ARCH}
+ENV CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=${TARGETARCH}
 RUN go build -ldflags "-X main.version=${VERSION}" -a -installsuffix nocgo -o minitor .
 
-FROM ${REPO}/alpine:3.18
+FROM alpine:3.18
 RUN mkdir /app
 WORKDIR /app/
 
@@ -22,7 +22,7 @@ WORKDIR /app/
 COPY --from=builder /app/minitor .
 
 # Add common checking tools
-RUN apk --no-cache add bash=~5 curl=~8 jq=~1 bind-tools=~9 tzdata~=2023c
+RUN apk --no-cache add bash=~5 curl=~8 jq=~1 bind-tools=~9 tzdata~=2024a
 
 # Add minitor user for running as non-root
 RUN addgroup -S minitor && adduser -S minitor -G minitor