# Stage 1: Build UI
FROM node:22-slim AS ui-builder
WORKDIR /ui
COPY ui/package.json ui/package-lock.json* ./
RUN npm ci --ignore-scripts
COPY ui/ .
RUN npm run build

# Stage 2: Build Go binary
FROM golang:1.23-alpine AS go-builder
RUN apk add --no-cache git
WORKDIR /src
COPY go.mod go.sum ./
RUN go mod download
COPY . .
COPY --from=ui-builder /ui/dist ./ui/dist
RUN CGO_ENABLED=0 go build -o /agent-mgr ./cmd/agent-mgr

# Stage 3: Runtime
FROM gcr.io/distroless/static-debian12:nonroot
COPY --from=go-builder /agent-mgr /agent-mgr
EXPOSE 8080
ENTRYPOINT ["/agent-mgr"]