Merge pull request #93 from cailloumajor/build-version

fix: set project version in binary when building Docker image

Author: cailloumajor

Diff for: .github/workflows/release.yml

@@ -30,6 +30,8 @@ jobs:
       - name: Build and push
         uses: docker/build-push-action@v6
         with:
+          build-args: |
+            PROJECT_VERSION=${{ steps.meta.outputs.version }}
           platforms: linux/amd64,linux/arm64
           push: true
           tags: ${{ steps.meta.outputs.tags }}

Diff for: Dockerfile

@@ -12,9 +12,12 @@ COPY go.mod go.sum *.go ./
 COPY cmd ./cmd
 COPY internal ./internal
 
+ARG PROJECT_VERSION
+RUN test -n "${PROJECT_VERSION}"
+
 ARG TARGETPLATFORM
 ENV CGO_ENABLED=0
-RUN xx-go build -o bin/ -v ./... && \
+RUN xx-go build -ldflags "-X main.projectVersion=${PROJECT_VERSION}" -o bin/ -v ./... && \
     xx-verify bin/*
 
 # hadolint ignore=DL3006

Diff for: integration/docker-compose.yml

@@ -9,7 +9,10 @@ services:
       - ./docker-tests.sh:/usr/local/bin/docker-tests.sh:ro
 
   docker-socket-proxy:
-    build: ..
+    build:
+      context: ..
+      args:
+        - PROJECT_VERSION=integration-tests
     command:
       - /usr/local/bin/docker-socket-proxy
       - -api-listen

Diff for: integration/smoke_test.sh

@@ -49,6 +49,13 @@ export DOCKER_SOCKET_GID
 # Start the service
 docker compose up -d --build --quiet-pull docker-socket-proxy
 
+# Check that version was set at build.
+got=$(docker compose exec docker-socket-proxy /usr/local/bin/docker-socket-proxy -version)
+expected="docker-socket-proxy version integration-tests"
+if [ "$got" != "$expected" ]; then
+    die "unexpected version information, expected \"$expected\", got \"$got\""
+fi
+
 # Wait for the service to be ready
 max_attempts=5
 wait_success=