# ── Build stage ──────────────────────────────────────────
FROM golang:1.23-alpine AS builder

WORKDIR /build

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

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

COPY . .

RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 \
    go build -ldflags="-w -s" -o floorvisualizer .

# ── Run stage ────────────────────────────────────────────
FROM alpine:3.20

WORKDIR /app

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

COPY --from=builder /build/floorvisualizer .
COPY --from=builder /build/data ./data
COPY --from=builder /build/knowledge_images ./knowledge_images

RUN mkdir -p outputs uploads static

EXPOSE 8099

CMD ["./floorvisualizer"]