docker-compose.yml如下：

version: '3'

services:
  postgres:
    image: postgres:15.4
    healthcheck:
      test: [ "CMD", "pg_isready", "-q", "-d", "postgres", "-U", "root" ]
      timeout: 45s
      interval: 10s
      retries: 10
    restart: always
    environment:
      - POSTGRES_USER=root
      - POSTGRES_PASSWORD=123456
      - APP_DB_USER=user01
      - APP_DB_PASS=123456
      - APP_DB_NAME=my_app
    volumes:
      - ./db:/docker-entrypoint-initdb.d/
      - /data/postgres:/var/lib/postgresql/data
    ports:
      - 5432:5432

db\01-init.sh如下

#!/bin/bash
set -e
export PGPASSWORD=$POSTGRES_PASSWORD;
psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
  CREATE USER $APP_DB_USER WITH PASSWORD '$APP_DB_PASS';
  CREATE DATABASE $APP_DB_NAME;
  GRANT ALL PRIVILEGES ON DATABASE $APP_DB_NAME TO $APP_DB_USER;
  \connect $APP_DB_NAME $APP_DB_USER
  BEGIN;
    CREATE TABLE IF NOT EXISTS event (
	  id CHAR(26) NOT NULL CHECK (CHAR_LENGTH(id) = 26) PRIMARY KEY,
	  aggregate_id CHAR(26) NOT NULL CHECK (CHAR_LENGTH(aggregate_id) = 26),
	  event_data JSON NOT NULL,
	  version INT,
	  UNIQUE(aggregate_id, version)
	);
	CREATE INDEX idx_event_aggregate_id ON event (aggregate_id);
  COMMIT;
EOSQL