# 构建阶段
FROM golang:1.21-alpine AS builder

WORKDIR /app

# 安装依赖
RUN apk add --no-cache git

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

# 复制源代码
COPY . .

# 构建
RUN CGO_ENABLED=0 GOOS=linux go build -o /server ./cmd/api

# 运行阶段
FROM alpine:latest

RUN apk --no-cache add ca-certificates

WORKDIR /app

# 复制构建产物
COPY --from=builder /server .
COPY config/ ./config/

EXPOSE 8080

CMD ["./server"]