Enter php container and create symfony app in the current directory.
docker exec -it php-container bash
composer create-project symfony/skeleton .
Now if you run: docker-compose up -d --build and navigate to localhost:8080 you will be presented with the symfony welcome page.
Edit the .env file located inside you symfony app folder. Change the DATABASE_URL to your database connection string. Here is an example:
DATABASE_URL="mysql://<db-username>:<db-password>@mysql-container:3306/<db-name>?serverVersion=8"
Add doctrine ORM to your symfony project.
docker exec -it php-container bash
composer require doctrine
Create the database using the doctrine:database:create command.
docker-compose run --rm php-service php bin/console doctrine:database:create
Webpack setup with Symfony Encore.
docker exec -it php-container bash
composer require encore
Install the npm packages using node.
docker-compose run --rm node-service yarn install
Compile files with webpack
docker-compose run --rm node-service yarn dev