FROM golang:1.21-alpine AS builder

WORKDIR /app

# 安装必要的工具
RUN apk add --no-cache git gcc musl-dev

# 复制go.mod和go.sum
COPY go.mod go.sum ./
RUN go mod download

# 复制源代码
COPY . .

# 构建应用
RUN go build -o main ./cmd/server

# 运行阶段
FROM alpine:latest

RUN apk --no-cache add ca-certificates tzdata

WORKDIR /root/

# 复制时区配置
ENV TZ=Asia/Shanghai

# 复制可执行文件
COPY --from=builder /app/main .

# 暴露端口
EXPOSE 8080 8081

# 运行应用
CMD ["./main"]