Update:

docker-compose.yml

@@ -0,0 +1,64 @@
+version: '3.8'
+
+services:
+  flaskaled-srv1:
+    image: postgres:latest
+    container_name: flaskaled-srv1
+    ports:
+      - "5433:5432"
+    volumes:
+      - ./backend/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:
+      - ./backend/init-db2.sql:/docker-entrypoint-initdb.d/init-db2.sql
+    environment:
+      - POSTGRES_USER=flaskaled2
+      - POSTGRES_PASSWORD=aled2
+      - POSTGRES_DB=flaskaledDb2
+    restart: unless-stopped
+#
+#  backend:
+#    container_name: backend
+#    build: ./backend
+#    command: node server.js
+#    volumes:
+#      - ./backend:/data/backend
+#    ports:
+#      - "5000:5000"
+#    depends_on:
+#      - flaskaled-srv1
+#      - flaskaled-srv2
+#    links:
+#      - flaskaled-srv1
+#      - flaskaled-srv2
+#    environment:
+#      FLASK_ENV: development
+#      FLASK_DEBUG: 1
+#      #DATABASE_URL_USERS:
+#      #DATABASE_URL_LOGS:
+#      #SECRET_KEY:
+#      #ALLOW_ORIGIN:
+#
+#  frontend:
+#    container_name: frontend
+#    build: ./frontend
+#    command: ng serve --host 0.0.0.0
+#    volumes:
+#      - ./frontend/src:/data/frontend/
+#      - ./frontend/node_modules:/data/frontend/node_modules
+#    ports:
+#      - "4200:4200"
+#    depends_on:
+#      - backend
+#    links:
+#      - backend