use make for building in every context

.dockerignore

@@ -0,0 +1,3 @@
+.github
+testdata
+contrib

.github/workflows/container.yml

@@ -24,8 +24,7 @@ jobs:
       - uses: actions/checkout@v7
 
       - name: Build image
-        run: |
-          docker build --file Dockerfile --tag ghcr.io/netways/alertmanager-icinga-bridge --build-arg "BRIDGE_VERSION=${GITHUB_REF}" --build-arg "BRIDGE_COMMIT=${GITHUB_SHA}" .
+        run: make build-image CONTAINER_RUNTIME=docker "VERSION=${GITHUB_REF}"
 
       - name: Log in to registry
         run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin

Dockerfile

@@ -3,23 +3,24 @@
 # Build Image
 FROM docker.io/golang:1.27-trixie AS builder
 
-ARG BRIDGE_VERSION=development
-ARG BRIDGE_COMMIT=HEAD
+WORKDIR /go/src/app
 
-ENV CGO_ENABLED=0
+COPY go.mod go.sum ./
+RUN set -xe; \
+    go mod download
 
-WORKDIR /go/src/app
-COPY . .
+ARG BRIDGE_VERSION=development
 
+COPY . .
 RUN set -ex; \
-    go build -ldflags="-s -w -X main.version=${BRIDGE_VERSION} -X main.commit=${BRIDGE_COMMIT}" -o /go/bin/alertmanager-icinga-bridge
+    make release "VERSION=${BRIDGE_VERSION}"
 
 # Final Image
 FROM gcr.io/distroless/static-debian13:nonroot
 
 WORKDIR /
 
-COPY --from=builder /go/bin/alertmanager-icinga-bridge /
+COPY --from=builder /go/src/app/dist/ /
 
 EXPOSE 8888
 

Makefile

@@ -8,7 +8,6 @@ VERSION?=latest
 build-image:
 	$(CONTAINER_RUNTIME) build --pull \
         --build-arg BRIDGE_VERSION=$(VERSION) \
-        --build-arg BRIDGE_COMMIT=$(COMMIT) \
         -t ghcr.io/netways/alertmanager-icinga-bridge:latest .
 build:
 	mkdir -p dist; \