feat: integrate platform backend and application interfaces

server/Dockerfile

@@ -0,0 +1,15 @@
+FROM node:22-alpine
+WORKDIR /app
+COPY package.json package-lock.json ./
+COPY server/package.json server/package.json
+COPY packages/contracts/package.json packages/contracts/package.json
+RUN npm ci --ignore-scripts --omit=dev
+COPY packages/contracts packages/contracts
+COPY server server
+RUN mkdir -p /var/lib/miragenflow/staging && addgroup -S app && adduser -S -G app app && chown -R app:app /app /var/lib/miragenflow
+ENV NODE_ENV=production
+ENV MIRAGENFLOW_STAGING_DIR=/var/lib/miragenflow/staging
+USER app
+EXPOSE 3100
+HEALTHCHECK --interval=10s --timeout=3s --retries=5 CMD node -e "fetch('http://127.0.0.1:3100/api/ready').then(r=>process.exit(r.ok?0:1)).catch(()=>process.exit(1))"
+CMD ["node", "--import", "tsx", "server/src/index.ts"]