Maintenance: set entrypoint for test Docker stage

.github/workflows/build.yml

@@ -34,13 +34,7 @@ jobs:
           touch coverage.txt
           docker run --rm \
           -v "$(pwd)/coverage.txt:/tmp/gobuild/coverage.txt" \
-          test-container \
+          test-container
-          go test \
-          -race \
-          -coverpkg=./... \
-          -coverprofile=coverage.txt \
-          -covermode=atomic \
-          ./...
 
       - name: Code security analysis
         uses: snyk/actions/golang@master

Dockerfile

@@ -17,6 +17,7 @@ FROM --platform=$BUILDPLATFORM base AS test
 # - we install g++ to support the race detector
 ENV CGO_ENABLED=1
 RUN apk --update --no-cache add g++
+ENTRYPOINT go test -race -coverpkg=./... -coverprofile=coverage.txt -covermode=atomic ./...
 
 FROM --platform=$BUILDPLATFORM base AS lint
 ARG GOLANGCI_LINT_VERSION=v1.40.1