FROM golang:1.22-alpine AS builder

WORKDIR /app

RUN apk add --no-cache git nodejs npm

ENV GOPROXY=https://goproxy.cn,direct
ENV GOTOOLCHAIN=auto

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

COPY backend ./backend
COPY frontend ./frontend

RUN npm ci --prefix frontend
RUN npm run build --prefix frontend

RUN cd backend && CGO_ENABLED=0 GOOS=linux go build -o /app/server ./cmd/server

FROM alpine:latest

WORKDIR /app

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

RUN mkdir -p uploads

COPY --from=builder /app/server .
COPY --from=builder /app/frontend/dist ./static

EXPOSE 8080

CMD ["./server"]