refactor: Consolidate MySQL + MongoDB + Milvus into PostgreSQL + pgvector - #8
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…ctor Major architectural change to reduce idle RAM from 16GB+ to ~1-2GB: Database Consolidation: - Replace MySQL, MongoDB, Milvus (5 containers) with single PostgreSQL + pgvector - Unified schema: relational tables, JSONB document store, vector embeddings - HNSW indexing for semantic search via pgvector New Files: - scripts/init-postgres.sh: Database initialization with schema and extensions - migrations/001_initial_schema.sql: Complete schema for all tables - migrations/migrate_to_postgres.py: Data migration script - ai-agents/_shared/input_sanitizer.py: Prompt injection defense layer - docker-compose.prod.yml: Production overlay - docker-compose.dev.yml: Development overlay - plumo-cli/: Headless CLI orchestrator - docs/migration-guide.md: Upgrade guide from v1.x to v2.0 Modified Files: - docker-compose.yml: Replaced 5 DB services with PostgreSQL - install.sh, install.ps1: Updated for PostgreSQL secrets - .env.example: Added PostgreSQL configuration - README.md: Updated system requirements (16GB → 2GB) Removed Files: - scripts/mysql-root-secrets-entrypoint.sh - scripts/mongo-secrets-entrypoint.sh - scripts/init-mongo-user.sh - init-privileges.sql Co-Authored-By: Claude <noreply@anthropic.com>
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Summary
Major architectural refactoring to reduce idle RAM from 16GB+ to ~1-2GB by consolidating three databases into a single PostgreSQL instance with pgvector.
Changes
Database Consolidation
New Files
scripts/init-postgres.sh- Database initialization with schema and extensionsmigrations/001_initial_schema.sql- Complete schema for all tablesmigrations/migrate_to_postgres.py- Data migration scriptai-agents/_shared/input_sanitizer.py- Prompt injection defense layerdocker-compose.prod.yml- Production overlaydocker-compose.dev.yml- Development overlayplumo-cli/- Headless CLI orchestratordocs/migration-guide.md- Upgrade guide from v1.x to v2.0Modified Files
docker-compose.yml- Replaced 5 DB services with PostgreSQLinstall.sh,install.ps1- Updated for PostgreSQL secrets.env.example- Added PostgreSQL configurationREADME.md- Updated system requirements (16GB → 2GB)Removed Files
scripts/mysql-root-secrets-entrypoint.shscripts/mongo-secrets-entrypoint.shscripts/init-mongo-user.shinit-privileges.sqlImpact
Testing
./install.shplumo-cli init && plumo-cli startNotes
docs/migration-guide.mdfor upgrade instructionsCo-Authored-By: Claude noreply@anthropic.com