Update:

backend/docker-compose.yml

@@ -1,28 +0,0 @@
-version: '3.8'
-
-services:
-  flaskaled-srv1:
-    image: postgres:latest
-    container_name: flaskaled-srv1
-    ports:
-      - 5433:5432
-    volumes:
-      - ./init-db1.sql:/docker-entrypoint-initdb.d/init-db1.sql
-    environment:
-      - POSTGRES_USER=flaskaled1
-      - POSTGRES_PASSWORD=aled1
-      - POSTGRES_DB=flaskaledDb1
-    restart: unless-stopped
-
-  flaskaled-srv2:
-    image: postgres:latest
-    container_name: flaskaled-srv2
-    ports:
-      - 5434:5432
-    volumes:
-      - ./init-db2.sql:/docker-entrypoint-initdb.d/init-db2.sql
-    environment:
-      - POSTGRES_USER=flaskaled2
-      - POSTGRES_PASSWORD=aled2
-      - POSTGRES_DB=flaskaledDb2
-    restart: unless-stopped