update

Dockerfile

@@ -1,12 +1,25 @@
-# Build stage
-FROM golang:1.25-alpine AS builder
+# UI build stage
+FROM node:alpine AS ui-builder
+
+WORKDIR /app
+
+COPY otel-ui/ .
+
+RUN npm install && npm run build
+
+# Go build stage
+FROM golang:1.25-alpine AS go-builder
 
 WORKDIR /app
 
 COPY go.mod go.sum ./
 RUN go mod download
 
-COPY . .
+COPY cmd/ ./cmd
+COPY internal/ ./internal
+
+# Copy built UI dist
+COPY --from=ui-builder /app/dist ./otel-ui/dist
 
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -installsuffix cgo -o /go-otel ./cmd/server
 
@@ -17,9 +30,9 @@ RUN apk --no-cache add ca-certificates
 
 WORKDIR /root/
 
-COPY --from=builder /go-otel .
-COPY --from=builder /app/index.html .
+COPY --from=go-builder /go-otel .
+COPY --from=go-builder /app/otel-ui/dist ./dist
 
 EXPOSE 8080
 
-CMD ["./go-otel"]
+CMD ["./go-otel"]