Build browser-native Super Testnet v0 inscription loop

Dockerfile

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+FROM node:22-alpine AS build
+WORKDIR /app
+COPY package.json package-lock.json ./
+RUN npm ci
+COPY index.html ./
+COPY src ./src
+COPY public ./public
+RUN npm run build
+
+FROM node:22-alpine
+ENV NODE_ENV=production PORT=8080
+WORKDIR /app
+COPY --from=build --chown=node:node /app/dist ./dist
+COPY --chown=node:node server.js package.json ./
+USER node
+EXPOSE 8080
+CMD ["node", "server.js"]