feat: statefulsets

service/echo/Dockerfile

@@ -0,0 +1,23 @@
+FROM golang:1.20.14-alpine3.19 AS builder
+
+WORKDIR /app/build
+
+COPY go.mod .
+COPY go.sum .
+COPY service/echo/main.go .
+
+ENV GOPROXY https://goproxy.io
+
+RUN go mod download && go build -ldflags='-s -w' -o echo_app .
+
+FROM alpine
+
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.tuna.tsinghua.edu.cn/g' /etc/apk/repositories && apk add curl
+
+ENV TZ Asia/Shanghai
+
+WORKDIR /app
+
+COPY --from=builder /app/build/echo_app .
+
+CMD [ "/app/echo_app" ]