Add dockerfile and action

docker/staging/client.Dockerfile

@@ -0,0 +1,30 @@
+FROM node:20-alpine AS build
+
+ENV NODE_OPTIONS="--max-old-space-size=4096"
+
+WORKDIR /app
+
+RUN apk add --no-cache \
+    python3 \
+    make g++  \
+    gcc \
+    libc-dev \
+    linux-headers \
+    libusb-dev \
+    eudev-dev
+
+
+COPY package*.json ./
+
+RUN npm install
+
+COPY . ./
+
+RUN npm run build
+
+FROM nginx:1.27.1-alpine
+
+COPY --from=build /app/dist /usr/share/nginx/html
+COPY --from=build /app/env.sh /docker-entrypoint.d/env.sh
+RUN chmod +x /docker-entrypoint.d/env.sh
+CMD ["nginx", "-g", "daemon off;"]