image: smbmetrics container image

Provide Dockerfile to dist smbmetrics executable as containerized image.
Using samba-server with its smb.conf and samba utils as base image.

Signed-off-by: Shachar Sharon <[email protected]>

Author: synarete

Dockerfile

@@ -0,0 +1,30 @@
+# Build smbmetrics
+FROM docker.io/golang:1.17 as builder
+ARG GIT_VERSION="(unset)"
+ARG COMMIT_ID="(unset)"
+ARG ARCH=""
+
+WORKDIR /workspace
+# Copy the Go Modules manifests
+COPY go.mod go.mod
+COPY go.sum go.sum
+# cache deps before building and copying source so that we don't need to re-download as much
+# and so that source changes don't invalidate our downloaded layer
+RUN go mod download
+
+# Copy the go source
+COPY cmd cmd
+COPY internal internal
+
+# Build
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=${ARCH} GO111MODULE=on \
+    go build -a \
+    -ldflags "-X main.Version=${GIT_VERSION} -X main.CommitID=${COMMIT_ID}" \
+    -o smbmetrics cmd/main.go
+
+# Use samba-server (with its smb.conf and samba utils) as base image
+FROM quay.io/samba.org/samba-server
+COPY --from=builder /workspace/smbmetrics /bin/smbmetrics
+
+ENTRYPOINT ["/bin/smbmetrics"]
+EXPOSE 8080

Makefile

@@ -87,6 +87,20 @@ vet: reformat
 yaml-fmt: yq
 	$(call yamls_reformat, $(CURDIR))
 
+# Build the container image
+.PHONY: image-build
+image-build: Dockerfile
+	$(CONTAINER_CMD) build \
+		--build-arg=GIT_VERSION="$(GIT_VERSION)" \
+		--build-arg=COMMIT_ID="$(COMMIT_ID)" \
+		--build-arg=ARCH="$(GOARCH)" \
+		$(CONTAINER_BUILD_OPTS) -f $< -t $(IMG)
+
+# Push the container image
+.PHONY: image-push
+image-push:
+	$(CONTAINER_CMD) push $(IMG)
+
 # Check the code
 .PHONY: check check-golangci-lint check-format check-yaml