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Dockerfile

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+FROM node:22-alpine AS deps
+WORKDIR /app
+COPY package*.json ./
+RUN npm ci
+
+FROM node:22-alpine AS build
+WORKDIR /app
+COPY package*.json ./
+RUN npm ci
+COPY . .
+RUN npm run build
+RUN npm prune --omit=dev
+
+FROM node:22-alpine AS runtime
+WORKDIR /app
+ENV NODE_ENV=production
+COPY --from=build /app/node_modules ./node_modules
+COPY --from=build /app/dist ./dist
+COPY package*.json ./
+EXPOSE 4400
+CMD ["node", "dist/main.js"]