feat(setup): mount production init SQL and use env var for healthcheck

docker-compose.prod.yml

@@ -2,6 +2,16 @@
 # Usage: docker compose -f docker-compose.yml -f docker-compose.prod.yml --env-file .env.prod up -d
 
 services:
+  postgres:
+    volumes:
+      - ./docker-data/postgres:/var/lib/postgresql/data
+      - ./scripts/init-postgres-prod.sql:/docker-entrypoint-initdb.d/init.sql:ro
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U postgres -d ${POSTGRES_DB:-tod}"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+
   api:
     build:
       context: .