docker: оптимизация образа (alpine+nodejs, очистка node_modules)

Made-with: Cursor

Dockerfile

@@ -1,36 +1,35 @@
 # syntax=docker/dockerfile:1
 
-# Сборка фронта (все devDependencies + UI)
+# Stage 1: Сборка фронтенда
 FROM node:22-alpine AS build
 WORKDIR /app
 COPY package.json package-lock.json ./
-RUN --mount=type=cache,target=/root/.npm \
-  npm ci
+RUN --mount=type=cache,target=/root/.npm npm ci
 COPY index.html vite.config.js ./
 COPY public ./public
 COPY src ./src
 RUN npm run build
 
-# Только runtime-deps: express, cors, sql.js (+ транзитивные)
-FROM node:22-alpine AS prod
+# Stage 2: Production dependencies + очистка node_modules
+FROM node:22-alpine AS deps
 WORKDIR /app
 COPY package.json package-lock.json ./
-RUN --mount=type=cache,target=/root/.npm \
-  npm ci --omit=dev
-COPY server ./server
-COPY --from=build /app/dist ./dist
+RUN --mount=type=cache,target=/root/.npm npm ci --omit=dev && \
+    find node_modules -type f \( \
+      -name '*.md' -o -name '*.ts' -o -name '*.map' -o \
+      -name 'LICENSE*' -o -name 'CHANGELOG*' -o -name 'README*' -o \
+      -name '.npmignore' -o -name '.eslintrc*' -o -name '.travis.yml' -o \
+      -name 'Makefile' -o -name '*.gyp' -o -name '*.gypi' \
+    \) -delete && \
+    find node_modules -type d -empty -delete
 
-# Артефакты без package.json / lock — не нужны для node server/index.js
-FROM node:22-alpine AS bundle
-WORKDIR /out
-COPY --from=prod /app/node_modules ./node_modules
-COPY --from=prod /app/server ./server
-COPY --from=prod /app/dist ./dist
-
-# Минимальный runtime (см. https://github.com/GoogleContainerTools/distroless/blob/main/nodejs/README.md)
-FROM gcr.io/distroless/nodejs22-debian13:nonroot
+# Stage 3: Минимальный runtime (без npm/yarn/corepack)
+FROM alpine:3.21
+RUN apk add --no-cache nodejs
 WORKDIR /app
 ENV NODE_ENV=production
-COPY --from=bundle --chown=nonroot:nonroot /out/ .
+COPY --from=deps /app/node_modules ./node_modules
+COPY --from=build /app/dist ./dist
+COPY server ./server
 EXPOSE 3001
-CMD ["server/index.js"]
+CMD ["node", "server/index.js"]