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Problems connecting and working with the database when using docker

I am trying to run my project using PHP-FPM, PHP-CLI. Through CLI I can create or delete schemas from the database, or load fixtures

github docker file https://github.com/SyntaxErrorLineNULL/start-mobile/tree/main/docker

docker-compose file

version: '3.8'

services:
    nginx:
        container_name: mobile_nginx_dev
        image: nginx
        volumes:
            - ./docker/nginx/:/etc/nginx/conf.d
            - ./:/app
        links:
            - php-fpm
        ports:
            - '8000:80'

    php-fpm:
        container_name: mobile_php-fpm
        build:
            context: docker
            dockerfile: php-fpm/Dockerfile
        environment:
            DB_HOST: api-postgres
            DB_USER: app
            DB_PASSWORD: secret
            DB_NAME: app
        ports:
            - 8080:8080
        volumes:
            - ./:/app
        working_dir: /app
        links:
            -   start-mobile-database

    php-cli:
        container_name: mobile_php-cli
        build:
            context: docker
            dockerfile: php-cli/Dockerfile
        environment:
            DB_HOST: api-postgres
            DB_USER: app
            DB_PASSWORD: secret
            DB_NAME: app
        volumes:
            - ./:/app
        links:
            - start-mobile-database

    start-mobile-database:
        image: mysql:8.0
        ports:
            - "3306:3306"
        command: --default-authentication-plugin=mysql_native_password
        environment:
            MYSQL_DATABASE: app
            MYSQL_USER: app
            MYSQL_PASSWORD: secret
            MYSQL_ROOT_PASSWORD: root
        volumes:
            - ./dump:/docker-entrypoint-initdb.d
            - ./conf:/etc/mysql/conf.d
            - persistent:/var/lib/mysql
        networks:
            - default
volumes:
    persistent:

Makefile

init: down build up api-composer-install init-db
up:
    docker-compose -f docker-compose.yaml up -d
down:
    docker-compose -f docker-compose.yaml down -v --remove-orphans
build:
    docker-compose -f docker-compose.yaml build --pull
api-composer-install:
    docker-compose -f docker-compose.yaml run --rm php-cli composer install
api-composer-update:
    docker-compose -f docker-compose.yaml run --rm php-cli composer update
init-db:
    docker-compose -f docker-compose.yaml run --rm php-cli bin/console doctrine:schema:drop --force && \
   docker-compose -f docker-compose.yaml run --rm php-cli bin/console doctrine:schema:create
clear-cache:
    docker-compose -f docker-compose.yaml run --rm php-cli bin/console doctrine:cache:clear-metadata && \
    docker-compose -f docker-compose.yaml run --rm php-cli bin/console doctrine:cache:clear-query
load-fixture:
    docker-compose -f docker-compose.yaml run --rm php-cli bin/console doctrine:fixtures:load

env file

DATABASE_URL="mysql://app:secret@start-mobile-database/app"

Problem When I try to lift the container, I get the error

.........
docker-compose -f docker-compose.yaml run --rm php-cli bin/console doctrine:schema:drop --force && \
   docker-compose -f docker-compose.yaml run --rm php-cli bin/console doctrine:schema:create
Creating start-mobile_php-cli_run ... done

In ExceptionConverter.php line 103:
                                                                                  
  An exception occurred in the driver: SQLSTATE[HY000] [2002] Connection refused  
                                                                                  

In Exception.php line 26:
                                             
  SQLSTATE[HY000] [2002] Connection refused  
                                             

In Driver.php line 28:
                                             
  SQLSTATE[HY000] [2002] Connection refused  
                                             

doctrine:schema:drop [--em EM] [--dump-sql] [-f|--force] [--full-database]

ERROR: 255
make: *** [Makefile:20: init-db]

I will answer some things in advance:

  1. Before adding PHP-FPM and CLI, there was a container with the same database, and there were no problems in the work, all commands for working with Doctrine were successful.
  2. I can connect from the side to the database and work with it.
  3. The config of the env file has not changed, and remained from the old container:
version: '3.8'
services:
  db:
    image: mysql:8.0
    ports:
      - "3306:3306"
    command: --default-authentication-plugin=mysql_native_password
    environment:
      MYSQL_DATABASE: app
      MYSQL_USER: app
      MYSQL_PASSWORD: secret
      MYSQL_ROOT_PASSWORD: root
    volumes:
      - ./dump:/docker-entrypoint-initdb.d
      - ./conf:/etc/mysql/conf.d
      - persistent:/var/lib/mysql
    networks:
      - default
volumes:
  persistent:

What's my mistake? Thanks in advance for your reply!



source https://stackoverflow.com/questions/70414152/problems-connecting-and-working-with-the-database-when-using-docker

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