fix: single-stage build to include platform binary

Dockerfile

@@ -1,15 +1,10 @@
-FROM node:20-slim AS build
-
-RUN npm install -g @twsxtd/hapi --registry=https://registry.npmjs.org
-
 FROM node:20-slim
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
     ca-certificates \
     && rm -rf /var/lib/apt/lists/*
 
-COPY --from=build /usr/local/lib/node_modules /usr/local/lib/node_modules
-COPY --from=build /usr/local/bin/hapi /usr/local/bin/hapi
+RUN npm install -g @twsxtd/hapi --registry=https://registry.npmjs.org
 
 RUN mkdir -p /root/.hapi