我正在運(yùn)行Postgres數(shù)據(jù)庫與pg管理員和GO在泊塢窗撰寫。問題：我可以從 pg 管理員連接到 Postgres。但無法從 Go 建立連接。我嘗試了身份驗(yàn)證字符串的不同組合，但它不起作用。字符串格式與此處相同 https://github.com/karlkeefer/pngr - 但容器名稱不同 -database（錯(cuò)誤）連接選項(xiàng)：backend_1         | 2021/08/08 14:24:40 DB connection: database://main:fugZwypczB94m0LP7CcH@postgres:5432/temp_db?sslmode=disablebackend_1         | 2021/08/08 14:24:40 Unalble to open DB connection: dial tcp 127.0.0.1:5432: connect: connection refused（URI 生成與此處相同 https://github.com/karlkeefer/pngr）碼頭工人：version: '3.8'services:  backend:    restart: always    build:       context: backend      target: dev    volumes:      - ./backend:/root    ports:      - "5000:5000"    env_file: .env    depends_on:       - database  database:    build: database    restart: always    environment:      POSTGRES_DB: ${POSTGRES_DB}      POSTGRES_USER: ${POSTGRES_USER}      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}      PGDATA: /var/lib/postgresql/data    volumes:      - ./database/data:/var/lib/postgresql/data      - ./logs/databse:/var/log/postgresql      - ./database/migrations:/docker-entrypoint-initdb.d/migrations    ports:      - "5432:5432"  database-admin:    image: dpage/pgadmin4:5.5    restart: always    environment:      PGADMIN_DEFAULT_EMAIL: ${PG_ADMIN_EMAIL}      PGADMIN_DEFAULT_PASSWORD: ${PG_ADMIN_PASSWORD}      PGADMIN_LISTEN_PORT: 80    ports:      - "8080:80"    volumes:      - ./database/admin:/var/lib/pgadmin    links:      - "database:pgsql-server"    depends_on:       - databasevolumes:  database:  database-admin:環(huán)境：POSTGRES_HOST=postgresPOSTGRES_PORT=5432POSTGRES_DB=temp_dbPOSTGRES_USER=mainPOSTGRES_PASSWORD=fugZwypczB94m0LP7CcHPG_ADMIN_EMAIL=admin@temp.comPG_ADMIN_PASSWORD=ayzi2ta8f1TnX3vKQSN1PG_ADMIN_PORT=80GO 代碼：db, err = sqlx.Open("postgres", str)