PORT=4001 NODE_ENV=development FRONTEND_URL=http://localhost:5173 PUBLIC_APP_URL=http://localhost:5173 DATA_DIR=./data MAX_FILE_SIZE_BYTES=524288000 PREVIEW_MAX_FILE_SIZE_BYTES=25000000 JWT_ACCESS_SECRET=replace-with-64-char-random-hex JWT_REFRESH_SECRET=replace-with-64-char-random-hex ADMIN_API_KEY=replace-with-64-char-random-hex BCRYPT_ROUNDS=12 # Future production adapters from CONTINUE.md DATABASE_URL=postgresql://user:pass@localhost:5432/cshare REDIS_URL=redis://localhost:6379 STORAGE_ENDPOINT=https://.r2.cloudflarestorage.com STORAGE_BUCKET=cshare-files STORAGE_ACCESS_KEY= STORAGE_SECRET_KEY= STORAGE_PUBLIC_URL=https://files.example.com RESEND_API_KEY=