Rename folder for clarity

examples/devcontainers/backend/Dockerfile

@@ -0,0 +1,42 @@
+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'
+
+# All deps stage
+FROM base AS deps
+WORKDIR /app/backend
+ADD package.json package-lock.json ./
+RUN npm ci
+
+FROM deps AS develop
+WORKDIR /app
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+EXPOSE 3333
+ENTRYPOINT [ "/entrypoint.sh" ]
+
+# Production only deps stage
+FROM base AS production-deps
+WORKDIR /app/backend
+ADD package.json package-lock.json ./
+RUN npm ci --omit=dev
+
+# Build stage
+FROM base AS build
+WORKDIR /app/backend
+COPY --from=deps /app/backend/node_modules /app/backend/node_modules
+ADD . .
+RUN node ace build
+
+# Production stage
+FROM base
+ENV NODE_ENV=production
+WORKDIR /app
+COPY --from=production-deps /app/backend/node_modules /app/backend/node_modules
+COPY --from=build /app/backend/build /app
+EXPOSE 8080
+
+CMD ["node", "./bin/server.js"]