docker phpmyadmin Cannot log in to the MySQL server - mysql

Question

I get error in http://localhost:8080/index.php
user bralion pass 123
Cannot log in to the MySQL server
mysqli_real_connect(): php_network_getaddresses: getaddrinfo failed: Try again
mysqli_real_connect(): (HY000/2002): php_network_getaddresses: getaddrinfo failed: Try again
here is my docker_compose.yml
version: "3.1"
services:
webserver:
image: nginx:alpine
container_name: bralion-webserver
working_dir: /application
networks:
itbcode_net:
ipv4_address: 10.3.0.11
volumes:
- .:/application
- ./itbcode_docker/nginx/nginx.conf:/etc/nginx/conf.d/default.conf
ports:
- "8089:80"
mysql:
image: mysql:5.7
container_name: bralion-mysql
working_dir: /application
networks:
itbcode_net:
ipv4_address: 10.3.0.12
volumes:
- .:/application
- ./var/mysql:/var/lib/mysql
environment:
- MYSQL_ROOT_PASSWORD=123
- MYSQL_DATABASE=bralion
- MYSQL_USER=bralion
- MYSQL_PASSWORD=123
- MYSQL_ALLOW_EMPTY_PASSWORD=true
ports:
- "8088:3306"
phpmyadmin:
image: phpmyadmin/phpmyadmin
links:
- mysql
environment:
PMA_HOST: mysql
PMA_PORT: 3306
ports:
- '8080:80'
php-fpm:
build: itbcode_docker/php-fpm
container_name: bralion-php-fpm
working_dir: /application
networks:
itbcode_net:
ipv4_address: 10.3.0.13
volumes:
- .:/application
- ~/.ssh/:/root/.ssh/
- ~/.bash_history:/root/.bash_history
- ./itbcode_docker/php-fpm/php-ini-overrides.ini:/etc/php/7.2/fpm/conf.d/99-overrides.ini
redis:
image: redis:alpine
container_name: sd-redis
UPDATE 1
i Update config (add ~/.composer and add phpmyadmin to itb_network)
version: "3.1"
services:
webserver:
image: nginx:alpine
container_name: bralion-webserver
working_dir: /application
networks:
itbcode_net:
ipv4_address: 10.3.0.11
volumes:
- .:/application
- ./itbcode_docker/nginx/nginx.conf:/etc/nginx/conf.d/default.conf
ports:
- "8089:80"
mysql:
image: mysql:5.7
container_name: bralion-mysql
working_dir: /application
networks:
itbcode_net:
ipv4_address: 10.3.0.12
volumes:
- .:/application
- ./var/mysql:/var/lib/mysql
environment:
- MYSQL_ROOT_PASSWORD=123
- MYSQL_DATABASE=bralion
- MYSQL_USER=bralion
- MYSQL_PASSWORD=123
- MYSQL_ALLOW_EMPTY_PASSWORD=true
ports:
- "8088:3306"
phpmyadmin:
image: phpmyadmin/phpmyadmin
networks:
itbcode_net:
links:
- mysql
environment:
PMA_HOST: mysql
PMA_PORT: 3306
ports:
- '8080:80'
php-fpm:
build: itbcode_docker/php-fpm
container_name: bralion-php-fpm
working_dir: /application
networks:
itbcode_net:
ipv4_address: 10.3.0.13
volumes:
- .:/application
- ~/.ssh/:/root/.ssh/
- ~/.composer/:/root/.composer/
- ~/.bash_history:/root/.bash_history
- ./itbcode_docker/php-fpm/php-ini-overrides.ini:/etc/php/7.2/fpm/conf.d/99-overrides.ini
redis:
image: redis:alpine
container_name: sd-redis
networks:
itbcode_net:
elastic-search:
image: willdurand/elk
networks:
itbcode_net:
container_name: bralion-elastic
ports:
- 81:80
volumes:
- ./elk/logstash:/etc/logstash
- ./elk/logstash/patterns:/opt/logstash/patterns
# node:
# build:
# context: ./itbcode_docker/node
# working_dir: /srv
# volumes:
# - ./:/srv/
networks:
itbcode_net:
driver: bridge
ipam:
config:
- subnet: 10.3.0.0/16

Answer 1

The problem is that the two containers are in different networks. The phpmyadmin container is only in the default network (because you didn't specify another network for it), the mysql container is only in the itbcode_net network (once you specify another network, the container will be removed from the default network unless you also add - default). You need to either add phpmyadmin to itbcode_net or add mysql to default, otherwise they can't communicate with each other.

Answer 2

webserver, mysql, and php-fpm are on the network itbcode_net.
phpmyadmin and redis are not so phpmyadmin cannot find that address.