Update docker-compose.yml for PostgreSQL 18+ compatibility and clarify volume paths

docker-compose.yml

@@ -14,7 +14,8 @@ services:
     ports:
       - "${POSTGRES_PORT:-5432}:5432"
     volumes:
-      - rag_pgdata:/var/lib/postgresql/data
+      # PG 18+: mount at /var/lib/postgresql (data goes in versioned subdir). For pg16 use /var/lib/postgresql/data.
+      - rag_pgdata:/var/lib/postgresql
       # Init scripts run once on first start (create extension, tables). Optional: comment out to skip.
       - ./docker/postgres-init:/docker-entrypoint-initdb.d:ro
     healthcheck:
@@ -39,13 +40,15 @@ services:
       - "${WEBHOOK_PORT:-8000}:8000"
     environment:
       RAG_DB_DSN: "postgresql://${POSTGRES_USER:-rag}:${POSTGRES_PASSWORD:-rag_secret}@postgres:5432/${POSTGRES_DB:-rag}"
-      RAG_REPO_PATH: ${RAG_REPO_PATH:-/data}
+      # In container repo is always at /data (mounted below). Use RAG_REPO_HOST in .env for host path.
+      RAG_REPO_PATH: "/data"
       RAG_EMBEDDINGS_DIM: ${RAG_EMBEDDINGS_DIM:-1536}
       GIGACHAT_CREDENTIALS: ${GIGACHAT_CREDENTIALS:-}
       GIGACHAT_EMBEDDINGS_MODEL: ${GIGACHAT_EMBEDDINGS_MODEL:-Embeddings}
       WEBHOOK_SECRET: ${WEBHOOK_SECRET:-}
     volumes:
-      - ${RAG_REPO_PATH:-./data}:/data
+      # Host path: set RAG_REPO_HOST in .env (e.g. /Users/you/repo). Falls back to RAG_REPO_PATH then ./data.
+      - ${RAG_REPO_HOST:-${RAG_REPO_PATH:-./data}}:/data
     entrypoint: ["rag-agent"]
     command: ["serve", "--host", "0.0.0.0", "--port", "8000"]
     networks: