Connect to networked mysql docker container with local client - docker

I have just followed a tutorial on using Docker. I started with installing different containers and when I got to mysql, i installed it by running
docker container run -d -p 3306:3306 --name mysql --env MYSQL_ROOT_PASSWORD=123456 mysql
After the container has been created, I have been able to connect to MySQL with Heidi, by using 127.0.0.1, root and 123456 as password.
I eventually moved forward with another tutorial on installing WordPress with docker.
https://www.youtube.com/watch?v=pYhLEV-sRpY
The yaml for setting up the containers is bellow. Everything works just fine, but when it comes to connecting to the database using Heidi, I just do not get what to do - what connection data to use or what to change in the yaml to be able to connect from local machine.
version: '3'
services:
# Database
db:
image: mysql:5.7
volumes:
- db_data:/var/lib/mysql
restart: always
environment:
MYSQL_ROOT_PASSWORD: password
MYSQL_DATABASE: wordpress
MYSQL_USER: wordpress
MYSQL_PASSWORD: wordpress
networks:
- wpsite
# phpmyadmin
phpmyadmin:
depends_on:
- db
image: phpmyadmin/phpmyadmin
restart: always
ports:
- '8080:80'
environment:
PMA_HOST: db
MYSQL_ROOT_PASSWORD: password
networks:
- wpsite
# Wordpress
wordpress:
depends_on:
- db
image: wordpress:latest
ports:
- '8000:80'
restart: always
volumes: ['./:/var/www/html']
environment:
WORDPRESS_DB_HOST: db:3306
WORDPRESS_DB_USER: wordpress
WORDPRESS_DB_PASSWORD: wordpress
networks:
- wpsite
networks:
wpsite:
volumes:
db_data:

You should expose 3306 port to local machine. Then, you can connect to MySQL by using host=127.0.0.1.
Update the yaml file like this:
version: '3'
services:
# Database
db:
image: mysql:5.7
volumes:
- db_data:/var/lib/mysql
restart: always
ports:
- "3306:3306"
environment:
MYSQL_ROOT_PASSWORD: password
MYSQL_DATABASE: wordpress
MYSQL_USER: wordpress
MYSQL_PASSWORD: wordpress
networks:
- wpsite
...

Related

Connection refused: Docker and Symfony

I'm trying to connect my Symfony project with a database in a Docker environment but unfortunately, the message is always: Connection refused.
My .env configuration (Symfony file):
DB_USER=root
DB_PASSWORD=root
DB_HOST=127.0.0.1
DB_PORT=3306
DB_NAME=db
DATABASE_URL=mysql://${DB_USER}:${DB_PASSWORD}#${DB_HOST}:${DB_PORT}/${DB_NAME}
and my Docker-compose configuration:
version: '3.8'
services:
db:
image: mariadb
container_name: db-docker-env
restart: always
volumes:
- db-data:/var/lib/mysql
environment:
MYSQL_ROOT_PASSWORD: "root"
MYSQL_DATABASE: "db"
MYSQL_USER: "root"
MYSQL_PASSWORD: "root"
networks:
- dev
command: ['mysqld', '--character-set-server=utf8mb4', '--collation-server=utf8mb4_unicode_ci']
ports:
- "3306:3306"
phpmyadmin:
image: phpmyadmin
container_name: phpmyadmin-docker-env
restart: always
depends_on:
- db
ports:
- 8080:80
environment:
PMA_HOST: db
networks:
- dev
I searched for a long time on the Internet, but unfortunately to no avail. Is there a solution to that?

mysql in docker compose

hi i'm new in docker and for practice created this project but when it's run with docker compose shows me below error:
wordpress | MySQL Connection Error: (1045) Access denied for user 'user1'#'172.19.0.4' (using password: NO)
docker-compose.yml:
version: '3.9'
services:
db:
image: mysql:latest
container_name: mysql
restart: always
command: "--default-authentication-plugin=mysql_native_password"
environment:
MYSQL_ROOT_PASSWORD: mjs
MYSQL_DATABASE: wpdb
MYSQL_USER: user1
MYSQL_PASSWORD: mjs
wordpress:
image: wordpress
container_name: wordpress
restart: always
volumes:
- ./wp-content:/var/www/html/wp-content
environment:
WORDPRESS_DB_HOST: db:3306
WORDPRESS_DB_NAME: wpdb
WORDPRESS_DB_USER: user1
WORDPRESS_DB_PASSWROD: mjs
ports:
- 8080:80
- 443:443
depends_on:
- db
phpmyadmin:
image: phpmyadmin:latest
restart: always
ports:
- 3333:80
environment:
PMA_HOST: db
MYSQL_ROOT_PASSWORD: mjs
I searched for stackoverflow but found nothing.
Thank you for your help
If you are not defining your db volume data is not persisting on restart. Just btw.
Furthermore it's a good practice to pin your image to a version like mysql:5.7.
Did you try that one here?
https://docs.docker.com/compose/wordpress/

Cannot connect to second docker container - port error

I have two directories each running an identical docker build except for the allocated ports. I cannot connect to one of the containers in my localhost.
After running the docker ps command I see that 80/tcp being prepended to my second recipe-blog container. Below is my yml file, its nothing crazy, just setting up a database running php my admin and have it connect to a WordPress install. I also attached an image of the docker ps command.
services:
# Database
db:
image: mysql:5.7
volumes:
- db_data:/var/lib/mysql
restart: always
environment:
MYSQL_ROOT_PASSWORD: wordpress
MYSQL_DATABASE: wordpress
MYSQL_USER: wordpress
MYSQL_PASSWORD: wordpress
networks:
- wpsite
# phpmyadmin
phpmyadmin:
depends_on:
- db
image: phpmyadmin/phpmyadmin
restart: always
ports:
- '9090:90'
environment:
PMA_HOST: db
MYSQL_ROOT_PASSWORD: password
networks:
- wpsite
# Wordpress
wordpress:
depends_on:
- db
image: wordpress:5.3.0
ports:
- '9000:90'
restart: always
working_dir: /var/www/html
volumes:
- ./wp-content:/var/www/html/wp-content
environment:
WORDPRESS_DB_HOST: db:3306
WORDPRESS_DB_USER: wordpress
WORDPRESS_DB_PASSWORD: wordpress
networks:
- wpsite
networks:
wpsite:
volumes:
db_data: {}
wp-content:
Once again - finalsandbox_ I can connect to fine, I cannot connect to recipe-blog_. The only difference between the two yml files is that for the recipe-blog_ I changed the ports to be 9090:90 instead of 8080:80 and 9000:90 instead of 8000:80.
Thanks in advance.
It works for me, example
version: "3"
services:
# Database
db:
image: mysql:5.7
volumes:
- db_data:/var/lib/mysql
restart: always
environment:
MYSQL_ROOT_PASSWORD: wordpress
MYSQL_DATABASE: wordpress
MYSQL_USER: wordpress
MYSQL_PASSWORD: wordpress
networks:
- wpsite
# phpmyadmin
phpmyadmin:
depends_on:
- db
image: phpmyadmin/phpmyadmin
restart: always
ports:
- '9090:80'
environment:
PMA_HOST: db
MYSQL_ROOT_PASSWORD: wordpress
networks:
- wpsite
# Wordpress
wordpress:
depends_on:
- db
image: wordpress:5.3.0
ports:
- '9000:80'
restart: always
working_dir: /var/www/html
volumes:
- ./wp-content:/var/www/html/wp-content
environment:
WORDPRESS_DB_HOST: db:3306
WORDPRESS_DB_USER: wordpress
WORDPRESS_DB_PASSWORD: wordpress
networks:
- wpsite
networks:
wpsite:
volumes:
db_data: {}
wp-content:
Change all the ports assigned by 90 to 80.
docker-compose up -d
with your we-browser favorite, connect to http://127.0.0.1:9000 and http://127.0.0.1:9090

Unable to log into mysql with phpmyadmin

I'm new to the docker world and maybe I'm missing something.
I created the following docker-compose file
version: '3.3'
services:
db:
image: mysql:latest
restart: always
volumes:
- db_data:/var/lib/mysql
environment:
MYSQL_ROOT_PASSWORD: password
MYSQL_DATABASE: wordpress
MYSQL_USER: wordpress
MYSQL_PASSWORD: wordpress
networks:
- wpsite
phpmyadmin:
depends_on:
- db
image: phpmyadmin/phpmyadmin
ports:
- '8080:80'
environment:
PMA_HOST: db
MYSQL_ROOT_PASSWORD: password
networks:
- wpsite
wp:
depends_on:
- db
image: andreccosta/wordpress-xdebug
volumes:
- ./wp:/var/www/html
ports:
- 8000:80
restart: always
environment:
WORDPRESS_DB_HOST: db:3306
WORDPRESS_DB_USER: wordpress
WORDPRESS_DB_PASSWORD: wordpress
XDEBUG_CONFIG: remote_host=172.17.0.1
networks:
- wpsite
networks:
wpsite:
volumes:
db_data:
When i run it with docker-compose up everything goes well, but when I try to access localhost:8080 (path for phpmyadmin) and try to login i'm not able to connect to mysql.
If i try to enter the mysql container with
docker exec -t -i <conatiner_name> bash
and try to login to mysql i'm able to do it.
I used this same file on a different computer and everything works well.
I'm running docker on ubuntu.
UPDATE
I solved the issue by changing the version of the mysql image from latest to 5.7.27.

How Can Run Phpmyadmin, Mysql and Apache Tomcat with Docker-Compose File?

I am trying to run java web app. Thus, I must setup MySQL, phpmyadmin and Apache Tomcat for accessing website. I want to use the docker and its docker-compose application to make installation easier (If I may learn).
I could not set mysql and phpmyadmin applications to work together. If I can get past this first step, I will try to install tomcat.
This is my codes which is used(docker-compose.yml)
version: '2'
services:
db:
image: mysql
restart: always
ports:
- "3306:3306"
environment:
MYSQL_DATABASE: myDb
MYSQL_USER: admin
MYSQL_PASSWORD: 12345
MYSQL_ROOT_PASSWORD: root
phpmyadmin:
image: phpmyadmin/phpmyadmin
restart: always
ports:
- "8080:80"
environment:
MYSQL_USER: admin
MYSQL_PASSWORD: 12345
MYSQL_ROOT_PASSWORD: root
depends_on:
- db
links:
- db
I open the above codes with docker-compose up in the command line application.
I'm going to http://localhost:8080/ page, I'm typing admin for Username, 12345 for password.
The errors I get are:
Cannot log in to MySQL server
mysqli_real_connect (): The server requested authentication method
mysqli_real_connect (): (HY000 / 2054): The server requested authentication method
How can I install the applications (mysql, phpmyadmin, tomcat) with docker-compose?
Currently phpmyadmin and MySQL can work together. It is solved.
PLAN A:
This is my docker-compose.yml file:
version: '2'
services:
db:
container_name: db
image: mysql
restart: always
ports:
- "3306:3306"
environment:
MYSQL_DATABASE: myDb
MYSQL_USER: admin
MYSQL_PASSWORD: 12345
MYSQL_ROOT_PASSWORD: root
command: --default-authentication-plugin=mysql_native_password
phpmyadmin:
depends_on:
- db
container_name: phpmyadmin
image: phpmyadmin/phpmyadmin
restart: always
ports:
- "8080:80"
environment:
MYSQL_USER: admin
MYSQL_PASSWORD: 12345
MYSQL_ROOT_PASSWORD: root
PMA_HOST: db
Now, you can go into MySQL via phpmyadmin at http://localhost:8080
It can also be solved by this method.
PLAN B: This is my docker-compose.yml file:
version: '2'
services:
db:
container_name: db
image: mysql
restart: always
ports:
- "3306:3306"
environment:
MYSQL_DATABASE: myDb
MYSQL_USER: admin
MYSQL_PASSWORD: 12345
MYSQL_ROOT_PASSWORD: root
phpmyadmin:
depends_on:
- db
container_name: phpmyadmin
image: phpmyadmin/phpmyadmin
restart: always
ports:
- "8080:80"
environment:
MYSQL_USER: admin
MYSQL_PASSWORD: 12345
MYSQL_ROOT_PASSWORD: root
PMA_HOST: db
Command line's commands:
$ docker stop phpmyadmin
$ docker exec -it db bash
$ mysql -u root -proot
$ ALTER USER root IDENTIFIED WITH mysql_native_password BY 'root';
$ exit
$ exit
$ docker start phpmyadmin
Now, you can go into MySQL via phpmyadmin at http://localhost:8080
Reference: phpMyAdmin on MySQL 8.0
version: '3.1'
services:
db:
image: mysql
command: --default-authentication-plugin=mysql_native_password
restart: always
ports:
- 3307:3306
environment:
MYSQL_ROOT_PASSWORD: 1234
phpmyadmin:
image: phpmyadmin/phpmyadmin
restart: always
ports:
- 8080:80
environment:
MYSQL_ROOT_PASSWORD: 1234
links:
- db

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