first commit

apps/backend/auth-service/Dockerfile

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+# syntax=docker/dockerfile:1.7
+
+FROM node:22-alpine AS runtime
+WORKDIR /app
+
+COPY package.json ./
+RUN npm install --omit=dev --no-fund --no-audit
+
+COPY src ./src
+
+ENV NODE_ENV=production
+ENV AUTH_PORT=3001
+
+EXPOSE 3001
+USER node
+CMD ["node", "src/server.mjs"]