add container image

when running monero in a kubernetes cluster, it's quite useful to be
able to quickly bring up via a job or any other runner `monero demon *`
commands.

Signed-off-by: Ciro S. Costa <utxobr@protonmail.com>

.images.lock.yaml

@@ -0,0 +1,7 @@
+apiVersion: kbld.k14s.io/v1alpha1
+kind: Config
+minimumRequiredVersion: 0.30.0
+overrides:
+- image: go-monero
+  newImage: index.docker.io/utxobr/go-monero@sha256:195b49c96e8484a2381c069385d8340710454ad060c25c9c3976d79bed33750c
+  preresolved: true

.images.yaml

@@ -0,0 +1,13 @@
+---
+apiVersion: kbld.k14s.io/v1alpha1
+kind: Config
+sources:
+  - image: go-monero
+    path: ./
+destinations:
+  - image: go-monero
+    newImage: docker.io/utxobr/go-monero
+
+---
+images:
+  - image: go-monero

Dockerfile

@@ -0,0 +1,29 @@
+ARG BUILDER_IMAGE=golang@sha256:4544ae57fc735d7e415603d194d9fb09589b8ad7acd4d66e928eabfb1ed85ff1
+ARG RUNTIME_IMAGE=gcr.io/distroless/static@sha256:c9f9b040044cc23e1088772814532d90adadfa1b86dcba17d07cb567db18dc4e
+
+
+FROM $BUILDER_IMAGE as builder
+
+        WORKDIR /workspace
+
+        COPY .git     .git
+        COPY go.mod   go.mod
+        COPY go.sum   go.sum
+        COPY pkg/     pkg/
+        COPY cmd/     cmd/
+
+        RUN set -x && CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on \
+                go build -a -v \
+			-trimpath \
+			-tags osusergo,netgo,static_build \
+			-o monero \
+				./cmd/monero
+
+
+FROM $RUNTIME_IMAGE
+
+        WORKDIR /
+        COPY --chown=nonroot:nonroot --from=builder /workspace/monero .
+        USER nonroot:nonroot
+
+        ENTRYPOINT ["/monero"]

Makefile

@@ -9,3 +9,7 @@ test:
 
 lint:
 	go run github.com/golangci/golangci-lint/cmd/golangci-lint run --config=.golangci.yaml
+
+.images.lock.yaml: .images.yaml
+	kbld -f $< --lock-output $@
+.PHONY: .images.lock.yaml