From 321b0a0dcbc8c8bc684f6da47f91a276f3f47134 Mon Sep 17 00:00:00 2001
From: Ivan Pushkin <iv.pushk@gmail.com>
Date: Mon, 6 Dec 2021 15:40:47 +0300
Subject: [PATCH] Building

---
 Dockerfile | 34 ++++++++++++++++++++++++++++++++++
 Makefile   | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 80 insertions(+)
 create mode 100644 Dockerfile
 create mode 100644 Makefile

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..33c7d11
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,34 @@
+
+# See Makefile
+ARG IMAGE_GOLANG=golang:1.16.4-alpine3.13
+ARG IMAGE_ALPINE=alpine:3.13
+
+FROM $IMAGE_ALPINE AS helper
+
+RUN adduser -u 10001 -h /dev/null -H -D -s /sbin/nologin snake
+
+RUN sed -i '/^snake/!d' /etc/passwd
+
+FROM $IMAGE_GOLANG AS builder
+
+ARG VERSION=unknown
+ARG BUILD=unknown
+
+WORKDIR /go/src/snake-bot
+
+COPY . .
+
+ENV CGO_ENABLED=0
+
+RUN go build -ldflags "-s -w -X main.Version=$VERSION -X main.Build=$BUILD" \
+    -v -x -o /snake-bot ./cmd/snake-bot
+
+FROM scratch
+
+COPY --from=helper /etc/passwd /etc/passwd
+
+USER snake
+
+COPY --from=builder /snake-bot /usr/local/bin/snake-bot
+
+ENTRYPOINT ["snake-bot"]
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..b8d2a77
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,46 @@
+
+EXECUTABLES=git go docker
+
+_=$(foreach exec,$(EXECUTABLES), \
+	$(if $(shell which $(exec)), ok, $(error "No $(exec) in PATH")))
+
+IMAGE=ivan1993spb/snake-bot
+
+IMAGE_GOLANG=golang:1.16.4-alpine3.13
+IMAGE_ALPINE=alpine:3.13
+
+BINARY_NAME=snake-bot
+VERSION=$(shell git describe --tags --abbrev=0 2>/dev/null || echo v0.0.0)
+BUILD=$(shell git rev-parse --short HEAD)
+
+LDFLAGS=-ldflags "-s -w -X main.Version=$(VERSION) -X main.Build=$(BUILD)"
+DOCKER_BUILD_ARGS=\
+ --build-arg VERSION=$(VERSION) \
+ --build-arg BUILD=$(BUILD) \
+ --build-arg IMAGE_GOLANG=$(IMAGE_GOLANG) \
+ --build-arg IMAGE_ALPINE=$(IMAGE_ALPINE)
+
+default: build
+
+docker/build:
+	@docker build $(DOCKER_BUILD_ARGS) -t $(IMAGE):$(VERSION) .
+	@docker tag $(IMAGE):$(VERSION) $(IMAGE):latest
+	@echo "Build $(BUILD) tagged $(IMAGE):$(VERSION)"
+	@echo "Build $(BUILD) tagged $(IMAGE):latest"
+
+docker/push:
+	@echo "Push build $(BUILD) with tag $(IMAGE):$(VERSION)"
+	@docker push $(IMAGE):$(VERSION)
+	@echo "Push build $(BUILD) with tag $(IMAGE):latest"
+	@docker push $(IMAGE):latest
+
+build:
+	@go build $(LDFLAGS) -v -o $(BINARY_NAME) ./cmd/snake-bot
+
+install:
+	@go install $(LDFLAGS) -v ./cmd/snake-bot
+
+coverprofile:
+	@go test -coverprofile=coverage.out ./...
+	@go tool cover -func=coverage.out
+	@go tool cover -html=coverage.out