update

.github/workflows/release.yml

@@ -43,6 +43,6 @@ jobs:
         run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin
       - name: Docker build
         run: |
-          docker build --build-arg VERSION=${GITHUB_REF##*/} -t ghcr.io/goware/jwtutil:${GITHUB_REF##*/} -t ghcr.io/goware/jwtutil:latest .
+          docker buildx build --platform="linux/amd64,linux/arm64" --build-arg VERSION=${GITHUB_REF##*/} -t ghcr.io/goware/jwtutil:${GITHUB_REF##*/} -t ghcr.io/goware/jwtutil:latest .
           docker push ghcr.io/goware/jwtutil:${GITHUB_REF##*/}
           docker push ghcr.io/goware/jwtutil:latest

Dockerfile

@@ -1,15 +1,18 @@
 # -----------------------------------------------------------------
 # Builder
 # -----------------------------------------------------------------
-FROM golang:1.22.0-alpine3.19 as builder
+FROM --platform=$BUILDPLATFORM golang:1.22.0-alpine3.19 as builder
+
 ARG VERSION
+ARG TARGETOS
+ARG TARGETARCH
 
 RUN apk add --update git
 
 ADD ./ /src
 
 WORKDIR /src
-RUN go build -ldflags="-s -w -X github.com/goware/jwtutil.VERSION=${VERSION}" -o /usr/bin/jwtutil .
+RUN GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -ldflags="-s -w -X main.VERSION=${VERSION}" -o /usr/bin/jwtutil .
 
 # -----------------------------------------------------------------
 # Runner

README.md

@@ -5,6 +5,9 @@ jwtutil
 
 `go install github.com/goware/jwtutil@latest`
 
+or 
+
+`docker run ghcr.io/goware/jwtutil`
 
 ## Usage
 

main.go

@@ -12,7 +12,7 @@ import (
 	"github.com/lestrrat-go/jwx/v2/jwt"
 )
 
-var VERSION = "v0.5.0"
+var VERSION = ""
 
 var (
 	flags = flag.NewFlagSet("jwtutil", flag.ExitOnError)