docker file

Dockerfile

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+# Stage 1: Base
+FROM node:22-alpine AS base
+
+# Alpine mirror + timezone data
+RUN sed -i 's|https://dl-cdn.alpinelinux.org/alpine|https://mirror.de.velop.ir/alpine|g' /etc/apk/repositories \
+    && apk add --no-cache tzdata
+RUN apk add --no-cache tzdata
+
+ENV TZ=Asia/Tehran
+ENV NPM_CONFIG_REGISTRY=https://package-mirror.liara.ir/repository/npm/
+RUN npm config set registry https://package-mirror.liara.ir/repository/npm/
+
+WORKDIR /app
+
+# Stage 2: Build dependencies
+FROM base AS deps
+WORKDIR /temp-deps
+COPY package*.json ./
+RUN npm ci  
+
+# Stage 3: Production dependencies (prune dev deps from the already-installed tree)
+FROM deps AS prod-deps
+RUN npm prune --omit=dev
+
+# Stage 4: Build
+FROM base AS builder
+WORKDIR /build
+COPY package*.json ./
+COPY --from=deps /temp-deps/node_modules ./node_modules
+COPY . .
+RUN npm run build
+
+# Stage 5: Runner
+FROM base AS runner
+RUN addgroup -S appgroup && adduser -S appuser -G appgroup
+
+WORKDIR /app
+
+COPY package*.json ./
+COPY --from=prod-deps --chown=appuser:appgroup /temp-deps/node_modules ./node_modules
+COPY --from=builder --chown=appuser:appgroup /build/dist ./dist
+
+USER appuser
+ENV NODE_ENV=production
+EXPOSE 4000
+
+CMD ["node", "--max-old-space-size=2048", "dist/src/main.js"]