- Zero-knowledge architecture: all encryption/decryption client-side via Web Crypto API - AES-GCM 256 for messages, files, and key wrapping; PBKDF2 for password-based key derivation - Node.js/TypeScript backend: JWT auth with refresh rotation, argon2id passwords, TOTP 2FA - PostgreSQL schema: encrypted blobs only, server never stores plaintext - Real-time messaging via WebSocket relay (server routes ciphertext, cannot read it) - Encrypted file upload/download with per-file keys wrapped by user master key - React PWA frontend: Vite + Tailwind + service worker for offline support - Docker Compose: postgres + backend + frontend + nginx with TLS Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
16 lines
288 B
Docker
16 lines
288 B
Docker
FROM node:20-alpine AS builder
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WORKDIR /app
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COPY package*.json ./
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RUN npm ci
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COPY . .
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RUN npm run build
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FROM node:20-alpine
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WORKDIR /app
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COPY package*.json ./
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RUN npm ci --omit=dev
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COPY --from=builder /app/dist ./dist
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RUN mkdir -p /data/uploads
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EXPOSE 3001
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CMD ["node", "dist/index.js"]
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