Tuesday, April 5, 2022

Docker - Springboot and mysql image example

A simple docker example using springboot and database as mysql/mariadb

Create springboot image

Get the completed springboot source code on github for hello-docker image

1. Create docker image

    cd hello-docker
  docker build --tag hello-docker .

2. Tag the image
    docker tag hello-docker madan712/hello-docker:v1.0 

Run individual container(s) in a docker network

Since springboot application need to connect to database, both the containers should be present in same docker network.

1. Created docker network

    docker network create mynetwork

2. Run database image in docker network

    docker run -d --name mysqldb -p 3306:3306  -e MYSQL_ROOT_PASSWORD=pass123 -e MYSQL_DATABASE=mydb --network mynetwork mysql

3. Run springboot application

    docker run -d --name hello-docker -p 8080:8080 -e SPRING_DATASOURCE_URL="jdbc:mysql://mysqldb:3306/mydb?useSSL=false" -e SPRING_DATASOURCE_USERNAME=root -e SPRING_DATASOURCE_PASSWORD=pass123 --network mynetwork madan712/hello-docker:v1.0

Run multi-container docker application using docker compose


Compose command

docker-compose up -d

Please find complete github code - hello-docker