Database connection error problem

[behrooz]

Hello, I installed the framework using Docker, but when running the http://localhost:8000, I get an error connecting to the database, please help me.

Error:

Symfony \ Component \ Debug \ Exception \ FatalThrowableError (E_ERROR)
Call to undefined function mysql_connect()

docker-compose.yml

version: "3.4"

services:
  themosis:
    build:
      context: ../
      dockerfile: docker/development.Dockerfile
    image: themosis
    container_name: themosis
    hostname: themosis
    restart: unless-stopped
    working_dir: /var/www/html
    tty: true
    ports:
      - "8000:80"
    depends_on:
      - mysqldb-themosis
    volumes:
      - ../:/var/www/html
    networks:
      - devnet
  mysqldb-themosis:
      image: mysql:8.0
      container_name: mysqldb-themosis
      hostname: mysqldb-themosis
      command: mysqld --default-authentication-plugin=mysql_native_password --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci
      environment:
        - DATABASE_ROOT_PASSWORD=123456
        - DATABASE_PASSWORD=123456
        - DATABASE_NAME=themosisdb
        - DATABASE_USER=mysqldbdbuser
      volumes:
        - /home/$USER/volumes/mysqldbvolume-themosis:/var/lib/mysql
      ports:
        - "33019:3306"
      restart: always
      networks:
        - devnet
  myadmin-themosis:
    image: phpmyadmin/phpmyadmin
    container_name: myadmin-themosis
    hostname: myadmin-themosis
    depends_on:
      - mysqldb-themosis
    environment:
      - PMA_HOST=mysqldb-themosis
    restart: always
    ports:
      - "33020:80"
    networks:
      - devnet
networks:
  devnet:
    external: true

.env

DATABASE_NAME=themosisdb
DATABASE_USER=mysqldbdbuser
DATABASE_PASSWORD=123456
DATABASE_HOST=mysqldb-themosis
DATABASE_PORT=33019

[behrooz]

Does anyone have any suggestions for a solution?

[Julien Lambé]

Hello @BehroozBvk. I generally don't provide any support here. But perhaps in your case your docker image is missing php extensions like mysqli when you build it within your Dockerfile file. You might get more help by posting your question on ServerFault in this case.

[behrooz]

Hello @BehroozBvk. I generally don't provide any support here. But perhaps in your case your docker image is missing php extensions like mysqli when you build it within your Dockerfile file. You might get more help by posting your question on ServerFault in this case.

Thank you for your reply. You were right, I should have installed extension php7-mysqli on Dockerfile. Solved problem.