FROM node:24-alpine AS frontend-builder
WORKDIR /app/frontend
COPY frontend/package.json ./
RUN npm install
COPY frontend ./
RUN npm run build

FROM golang:1.25-alpine AS backend-builder
WORKDIR /app/backend
COPY backend/go.mod ./
RUN go mod download
COPY backend ./
COPY --from=frontend-builder /app/frontend/dist ./web/dist
RUN go build -o /out/fastfileviewer ./cmd/server

FROM alpine:3.22
WORKDIR /app
ENV PORT=7860
COPY --from=backend-builder /out/fastfileviewer /app/fastfileviewer
COPY --from=backend-builder /app/backend/web/dist /app/web/dist
EXPOSE 7860
CMD ["/app/fastfileviewer"]