feat: PgBouncer pooling, cache warming, search autocomplete, API deprecation - #986
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nanaf6203-bit merged 1 commit intoJul 26, 2026
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…ecation headers - MettaChain#951: Add PgBouncer service to docker-compose.yml with transaction-level pooling, configure PrismaService for pgbouncer=true, expose pool metrics to Prometheus, and add PGBOUNCER_POOL_SIZE env var - MettaChain#952: Expand CacheWarmingService with @Cron periodic refresh (30 min), predictive warming from access patterns, startup warming via OnModuleInit, and hit-rate monitoring before/after each warming cycle - MettaChain#953: Rewrite SearchAutocompleteService to query Prisma SearchHistory and PopularSearch models, add personalised ranking (user's own searches boosted), deduplicated grouped suggestions by type (property/location/ feature/recent/popular), and wire userId from the authenticated request - MettaChain#954: Expand DeprecationWarningInterceptor with RFC 8594 Sunset header, RFC 7234 Warning header, minimum 90-day deprecation notice enforcement, automatic sunset transition when the sunset date passes, and central DEPRECATION_POLICY config in api-version.constants.ts Closes MettaChain#951 MettaChain#952 MettaChain#953 MettaChain#954
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Closes #951, Closes #952, Closes #953, Closes #954
Changes
#954 - API Version Deprecation Headers
#953 - Property Search Autocomplete
#952 - Redis Cache Warming
#951 - PgBouncer Connection Pooling