ci: build CLI artifacts with Docker

Dockerfile

@@ -18,6 +18,25 @@ COPY *.go ./
 COPY --from=frontend /src/frontend/dist ./frontend/dist
 RUN CGO_ENABLED=0 GOOS=linux go build -trimpath -ldflags="-s -w" -o /ufile .
 
+FROM golang:1.24-alpine AS cli-builder
+
+ARG GOPROXY=https://proxy.golang.org,direct
+ARG VERSION=dev
+ARG COMMIT=unknown
+ENV GOPROXY=${GOPROXY}
+
+WORKDIR /src
+COPY go.mod go.sum ./
+RUN go mod download
+COPY cmd/ufile-cli/ ./cmd/ufile-cli/
+COPY scripts/build-cli.sh ./scripts/build-cli.sh
+RUN VERSION="${VERSION}" COMMIT="${COMMIT}" ./scripts/build-cli.sh
+
+FROM alpine:3.22 AS cli-artifacts
+
+COPY --from=cli-builder /src/dist /dist
+CMD ["sh", "-c", "while :; do sleep 3600; done"]
+
 FROM alpine:3.22
 
 RUN addgroup -S -g 10001 ufile \