Proget Installation as container with external Postgres

[hardik.turakhia]

Hello,
I am looking to achieve the following:
Using ProGet image (container) via docker compose, connecting to external (org) Postgres database
Adding snippet of docker compose, I made referring documentation and AI's help. However, was not successful is getting this to work properly.

Proget does start up but with its own internal database.
Requesting help to correctly setup

networks:
  proget: 
    driver: bridge
volumes:
  postgres-data:
    external: true
services:
  proget:
    image: proget.inedo.com/productimages/inedo/proget:latest
    container_name: proget
    restart: unless-stopped
    ports:
      - "8624:80"
    volumes:
      - ./proget-packages:/var/proget/packages
      - ./proget-database:/var/proget/database
      - ./proget-backups:/var/proget/backups
      - ./volumes/packages:/var/proget/packages
      - ./volumes/config:/var/proget/config
      - ./volumes/logs:/var/proget/logs
      - ./volumes/extensions:/var/proget/extensions
      - ./volumes/backups:/var/proget/backups
      - ./certs:/certs:ro
    depends_on:
      - db
    networks:
      - proget
    environment:
      # ASPNETCORE_HTTPS_PORT: "443"
      # ASPNETCORE_URLS: "https://*:443"
      # ASPNETCORE_Kestrel__Certificates__Default__Path: "/certs/proget.pfx"
      # ASPNETCORE_Kestrel__Certificates__Default__Password: "${SSL_CERT_PASSWORD}"
      PROGET_DB_TYPE: "PostgreSQL"
      # PROGET_POSTGRES_CONNECTION_STRING: Server=postgres;Port=5432;Database=proget;Password=Pass@123;Username=root;
      # PROGET_POSTGRES_CONNECTION_STRING: Host=${DB_SERVER_HOST};Port=${DB_SERVER_PORT};Database=${DB_NAME};Username=${DB_USERNAME};Password=${DB_PASSWORD};
      TZ: "${TZ}"
    healthcheck:
      test: ["CMD","curl","-k","https://localhost:443/health"]
      interval: 30s
      timeout: 10s
      retries: 5
      start_period: 60s
  db:   
     image: postgres:16
     container_name: postgres
     environment:
         POSTGRES_USER: ${DB_USERNAME}
         POSTGRES_PASSWORD: ${DB_PASSWORD}
         POSTGRES_DB: ${DB_NAME}
     networks:
         - proget
     volumes:
         - postgres-data:/var/lib/postgresql/data
     # Uncomment if you want to connect to DB
     ports:
     - "4001:5432"