embed version in image

raylas · Nov 28, 2022 · 63d6534 · 63d6534
1 parent bffbbd5
commit 63d6534
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diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
@@ -93,3 +93,5 @@ jobs:
         push: true
         tags: ${{ steps.meta.outputs.tags }}
         labels: ${{ steps.meta.outputs.labels }}
+        build-args: |
+          VERSION=${{ steps.context.outputs.tag }}
diff --git a/Dockerfile b/Dockerfile
@@ -1,7 +1,11 @@
 FROM golang:1.19.3-alpine3.16 AS build
 WORKDIR /src
 COPY . /src
-RUN CGO_ENABLED=0 GOOS=linux go build -o nextdns-exporter
+ARG VERSION
+RUN CGO_ENABLED=0 \
+    GOOS=linux \
+    go build -ldflags="-s -w -X 'main.version=$VERSION'" \
+    -o nextdns-exporter
 
 FROM alpine:3.16 AS src
 COPY --from=build /src/nextdns-exporter .