Postgres + pgadmin + docker compose

compose.yaml

version: "3"

services:
  postgres:
    image: postgres:15-alpine
    restart: always
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
    volumes:
      - postgres:/var/lib/postgresql/data
    ports:
      - 5432:5432
    healthcheck:
      test: pg_isready -q -U postgres
      interval: 1s
      timeout: 5s
      retries: 30

  migrate:
    image: migrate/migrate:4
    depends_on:
      - postgres
    volumes:
      - ../migrations:/migrations
    depends_on:
      postgres:
        condition: service_healthy
    command:
      - "-path"
      - "/migrations"
      - "-database"
      - "postgres://postgres:postgres@postgres:5432/postgres?sslmode=disable"
      - "up"

  pgadmin:
    image: dpage/pgadmin4:7
    environment:
      PGADMIN_DEFAULT_EMAIL: admin@localhost.com
      PGADMIN_DEFAULT_PASSWORD: pgadmin
      PGADMIN_LISTEN_PORT: 80
    ports:
      - 15432:80
    volumes:
      - pgadmin:/var/lib/pgadmin
      - ./servers.json:/pgadmin4/servers.json
    entrypoint: >
      /bin/sh -c "
      export STORAGE_DIR=/var/lib/pgadmin/storage/admin_localhost.com;
      mkdir -p $$STORAGE_DIR;
      echo 'postgres:5432:postgres:postgres:postgres' > $$STORAGE_DIR/pgpass;
      chmod 600 $$STORAGE_DIR/pgpass;
      /entrypoint.sh
      "
    depends_on:
      migrate:
        condition: service_completed_successfully

volumes:
  postgres:
  pgadmin:

gistfile1.txt

{
    "Servers": {
        "slocap": {
            "Name": "slocap",
            "Group": "Servers",
            "Port": 5432,
            "Username": "postgres",
            "Host": "postgres",
            "SSLMode": "prefer",
            "PassFile": "/pgpass",
            "MaintenanceDB": "postgres"
        }
    }
}