Begin adding Postgresql support instead of filesystem flat files

db/docker-compose.yaml

@@ -0,0 +1,12 @@
+version: '3.9'
+
+services:
+  postgres:
+    image: postgres:15.3-alpine
+    ports:
+      - 5432:5432
+    volumes:
+      - ./postgres:/var/lib/postgresql/data
+    environment:
+      - POSTGRES_PASSWORD=S3cret
+      - POSTGRES_DB=search