Add tunnel component and map connector component

Dockerfile

@@ -0,0 +1,23 @@
+FROM node:20-slim AS builder
+WORKDIR /app
+
+COPY package*.json ./
+RUN npm ci
+
+COPY . .
+RUN node ./scripts/parse-maps.js
+RUN npm run build
+RUN npm prune --production
+
+FROM node:20-slim
+WORKDIR /app
+
+COPY --from=builder /app/build ./build
+COPY --from=builder /app/node_modules ./node_modules
+COPY --from=builder /app/package.json ./package.json
+
+USER node
+
+ENV NODE_ENV=production
+EXPOSE 3000
+CMD ["node", "build"]