Add fullstack example

examples/fullstack/backend/Dockerfile

@@ -1,10 +1,37 @@
-FROM node:22-alpine AS base
-WORKDIR /backend
-COPY package.json .
-RUN yarn install
-COPY index.js .
+FROM node:lts-alpine3.22 AS base
+HEALTHCHECK --interval=5s --timeout=10s --start-period=5s --retries=5 \
+  CMD sh -c 'wget --no-verbose --tries=1 --spider http://127.0.0.1:3333 || exit 1'
 
-FROM base AS develop
-COPY --from=base /backend/ .
-EXPOSE 3000
-ENTRYPOINT [ "node", "--watch", "index.js" ]
+# All deps stage
+FROM base AS deps
+WORKDIR /app
+ADD package.json package-lock.json ./
+RUN npm ci
+
+FROM deps AS develop
+WORKDIR /app
+ENV NODE_ENV=development
+EXPOSE 3333
+
+# Production only deps stage
+FROM base AS production-deps
+WORKDIR /app
+ADD package.json package-lock.json ./
+RUN npm ci --omit=dev
+
+# Build stage
+FROM base AS build
+WORKDIR /app
+COPY --from=deps /app/node_modules /app/node_modules
+ADD . .
+RUN node ace build
+
+# Production stage
+FROM base
+ENV NODE_ENV=production
+WORKDIR /app
+COPY --from=production-deps /app/node_modules /app/node_modules
+COPY --from=build /app/build /app
+EXPOSE 8080
+
+CMD ["node", "./bin/server.js"]