# Stage 1: Build Vite SPA
FROM node:22-alpine AS webapp-builder
WORKDIR /webapp
COPY webapp/package.json webapp/package-lock.json ./
RUN npm ci
COPY webapp/ ./
RUN npm run build

# Stage 2: Build Go server
FROM golang:1.25-alpine AS go-builder
WORKDIR /app
COPY backend/go.mod backend/go.sum ./
RUN go mod download
COPY backend/ ./
# Inject built SPA into embed path
COPY --from=webapp-builder /webapp/dist ./internal/api/webapp/
RUN CGO_ENABLED=0 GOOS=linux go build -o /server ./cmd/server
RUN CGO_ENABLED=0 GOOS=linux go build -o /createuser ./cmd/createuser

# Stage 3: Minimal runtime image
FROM gcr.io/distroless/static-debian12
COPY --from=go-builder /server /server
COPY --from=go-builder /createuser /createuser
ENTRYPOINT ["/server"]