Doctrine \ DBAL \ Driver \ PDOException：:(“” SQLSTATE [42000]：语法错误或访问冲突：1071指定的密钥太长；最大密钥长度为767字节“）

Question

我尝试使用GitHub在Laravel项目中安装voyager admin软件包。

它有3个步骤来做。步骤3我有这个错误：

version: '3'
services:
  redis:
    build: ./docker/redis

  postgresql:
    build: ./docker/postgresql
    ports:
      - "5433:5432"
    env_file:
      - .env

  graphql:
    build: .
    command: npm run start
    volumes:
      - ./logs/:/usr/app/logs/
    ports:
      - "3000:3000"
    env_file:
      - .env
    depends_on:
      - "redis"
      - "postgresql"
    links:
      - "redis"
      - "postgresql"

  elasticsearch:
    build: ./docker/elasticsearch
    container_name: elasticsearch
    ports:
      - "9200:9200"
    depends_on:
      - "graphql"
    links:
      - "kibana"

  kibana:
    build: ./docker/kibana
    ports:
      - "5601:5601"
    depends_on:
      - "graphql"
    networks:
      - elastic
    environment:
      - ELASTICSEARCH_URL=http://elasticsearch:9200

  metricbeat:
    build: ./docker/metricbeat
    depends_on:
      - "graphql"
      - "elasticsearch"
      - "kibana"
    networks:
      - elastic
    environment:
      - ELASTICSEARCH_URL=http://elasticsearch:9200

  packetbeat:
    build: ./docker/packetbeat
    depends_on:
      - "graphql"
      - "elasticsearch"
      - "kibana"
    networks:
      - elastic
    environment:
      - ELASTICSEARCH_URL=http://elasticsearch:9200

  logstash:
    build: ./docker/logstash
    ports:
      - "9600:9600"
    volumes:
      - ./logs:/usr/logs
    depends_on:
      - "graphql"
      - "elasticsearch"
      - "kibana"
    networks:
      - elastic
    environment:
      - ELASTICSEARCH_URL=http://elasticsearch:9200

networks:
  elastic:
    driver: bridge

Answer 1

in app/providers/AppServiceProvider

use Illuminate\Support\Facades\Schema;
public function boot()
{
    Schema::defaultStringLength(191);
}

Answer 2

将此行放入您的AppServiceProvider.php：

Schema::defaultStringLength(191);

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