chore: add version to binary in containers

.github/workflows/release.yml

@@ -89,6 +89,8 @@ jobs:
           platforms: linux/amd64,linux/arm64
           cache-from: type=local,src=/tmp/.buildx-cache
           cache-to: type=local,dest=/tmp/.buildx-cache-new
+          build-args: | 
+            VERSION=${{ github.ref_name }}
       - name: Prepare cache for next build
         run: |
           rm -rf /tmp/.buildx-cache
@@ -153,6 +155,8 @@ jobs:
           platforms: linux/amd64,linux/arm64
           cache-from: type=local,src=/tmp/.buildx-cache-debug
           cache-to: type=local,dest=/tmp/.buildx-cache-debug-new
+          build-args: | 
+            VERSION=${{ github.ref_name }}
       - name: Prepare cache for next build
         run: |
           rm -rf /tmp/.buildx-cache-debug
@@ -217,6 +221,8 @@ jobs:
           platforms: linux/amd64,linux/arm64
           cache-from: type=local,src=/tmp/.buildx-cache-alpine
           cache-to: type=local,dest=/tmp/.buildx-cache-alpine-new
+          build-args: | 
+            VERSION=${{ github.ref_name }}
       - name: Prepare cache for next build
         run: |
           rm -rf /tmp/.buildx-cache-alpine

Dockerfile

@@ -1,5 +1,6 @@
 # Builder image
 FROM docker.io/golang:1.18.0-bullseye AS build
+ARG VERSION=dev
 ENV GOPATH /go
 WORKDIR /go/src/headscale
 
@@ -8,7 +9,7 @@ RUN go mod download
 
 COPY . .
 
-RUN CGO_ENABLED=0 GOOS=linux go install -a ./cmd/headscale
+RUN CGO_ENABLED=0 GOOS=linux go install -ldflags="-s -w -X github.com/juanfont/headscale/cmd/headscale/cli.Version=$VERSION" -a ./cmd/headscale
 RUN strip /go/bin/headscale
 RUN test -e /go/bin/headscale
 

Dockerfile.alpine

@@ -1,5 +1,6 @@
 # Builder image
 FROM docker.io/golang:1.18.0-alpine AS build
+ARG VERSION=dev
 ENV GOPATH /go
 WORKDIR /go/src/headscale
 
@@ -9,7 +10,7 @@ RUN go mod download
 
 COPY . .
 
-RUN CGO_ENABLED=0 GOOS=linux go install -a ./cmd/headscale
+RUN CGO_ENABLED=0 GOOS=linux go install -ldflags="-s -w -X github.com/juanfont/headscale/cmd/headscale/cli.Version=$VERSION" -a ./cmd/headscale
 RUN strip /go/bin/headscale
 RUN test -e /go/bin/headscale
 

Dockerfile.debug

@@ -1,5 +1,6 @@
 # Builder image
 FROM docker.io/golang:1.18.0-bullseye AS build
+ARG VERSION=dev
 ENV GOPATH /go
 WORKDIR /go/src/headscale
 
@@ -8,7 +9,7 @@ RUN go mod download
 
 COPY . .
 
-RUN CGO_ENABLED=0 GOOS=linux go install -a ./cmd/headscale
+RUN CGO_ENABLED=0 GOOS=linux go install -ldflags="-s -w -X github.com/juanfont/headscale/cmd/headscale/cli.Version=$VERSION" -a ./cmd/headscale
 RUN test -e /go/bin/headscale
 
 # Debug image