feat : docker mackfile setup

Dockerfile

@@ -0,0 +1,26 @@
+## Build
+FROM golang:1.20-buster AS build
+
+WORKDIR /go/src/github.com/seipan/mylb
+
+COPY go.mod ./
+COPY go.sum ./
+
+RUN go mod download
+
+COPY . .
+
+RUN go build -o /docker-gs-ping
+
+## Deploy
+FROM gcr.io/distroless/base-debian10
+
+WORKDIR /
+
+COPY --from=build /docker-gs-ping /docker-gs-ping
+
+EXPOSE 8080
+
+USER nonroot:nonroot
+
+ENTRYPOINT ["/docker-gs-ping"]

Makefile

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+DOCKER_COMPOSE_LOCAL_SERVER     := docker-compose.yml
+
+.PHONY: ts-re
+ts-re: 
+	cd testserver && make re
+
+.PHONY: ts-down
+ts-down: 
+	cd testserver && make down
+
+.PHONY: up
+up:
+	docker-compose \
+	-f $(DOCKER_COMPOSE_LOCAL_SERVER) up -d
+
+
+.PHONY: down
+down:
+	docker-compose \
+	-f $(DOCKER_COMPOSE_LOCAL_SERVER) down \
+	--rmi all --volumes --remove-orphans
+
+
+.PHONY: re
+re:down up

docker-compose.yml

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+version: '3'
+services:
+  serve:
+      build:
+        context: .
+        dockerfile: Dockerfile
+      ports:
+        - 8080:8080
+      volumes:
+      - ../../:/go/src/github.com/seipan/mylb