set tag into variable "Version" when docker build (#159)

jonasvinther · May 22, 2024 · 9a6ebad · 9a6ebad
1 parent cfe6192
commit 9a6ebad
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diff --git a/.github/workflows/release-docker.yml b/.github/workflows/release-docker.yml
@@ -33,6 +33,8 @@ jobs:
         with:
           context: .
           push: true
+          build-args: |
+            VERSION=${{ env.TAG }}
           tags: |
             ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
-            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.TAG }}
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.TAG }}
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,5 @@
 FROM golang:alpine AS builder
+ARG VERSION
 
 RUN apk update && apk add --no-cache git
 
@@ -10,7 +11,9 @@ ADD . .
 
 RUN go mod download
 RUN go get -d -v
-RUN CGO_ENABLED=0 GOOS=linux go build -o /go/bin/medusa
+RUN CGO_ENABLED=0 GOOS=linux go build \
+    -ldflags="-X 'github.com/jonasvinther/medusa/cmd.Version=${VERSION}'" \
+    -o /go/bin/medusa
 
 RUN adduser -S scratchuser
 RUN chown scratchuser /go/bin/medusa
@@ -19,4 +22,4 @@ FROM scratch
 COPY --from=builder /go/bin/medusa /medusa
 COPY --from=builder /etc/passwd /etc/passwd
 USER scratchuser
-ENTRYPOINT ["/medusa"]
+ENTRYPOINT ["/medusa"]