初始化斗地主残局版项目

app/Dockerfile

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+FROM golang:1.21-alpine AS builder
+ENV GOPROXY=https://goproxy.cn,direct
+WORKDIR /app
+COPY go.mod go.sum ./
+RUN go mod download
+COPY . .
+WORKDIR /app/cmd
+RUN CGO_ENABLED=0 GOOS=linux go build -o /server .
+
+FROM alpine:3.18
+RUN apk --no-cache add ca-certificates tzdata
+WORKDIR /app
+COPY --from=builder /server .
+EXPOSE 8080
+CMD ["./server"]