FROM golang:1.24-alpine AS builder

RUN apk add --no-cache git

WORKDIR /app

COPY go.mod go.sum ./
RUN go mod download

COPY . .
RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w" -o /server ./cmd/server

FROM alpine:3.20

RUN apk add --no-cache ca-certificates tzdata \
    && cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
    && echo "Asia/Shanghai" > /etc/timezone

WORKDIR /app

COPY --from=builder /server .

EXPOSE 8080

CMD ["./server"]