• Inspect the environment variables set on the running container and identify the value set to the APP_COLOR variable.

sudo docker ps sudo docker inspect 0ff

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  • Run a container named blue-app using image kodekloud/simple-webapp and set the environment variable APP_COLOR to blue. Make the application available on port 38282 on the host. The application listens on port 8080.

sudo docker run -d -e APP_COLOR=blue --name=blue-app -p 38282:8080 kodekloud/simple-webapp

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  • View the application by clicking the link HOST:38282 above your terminal and ensure it has the right color.

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  • Deploy a mysql database using the mysql image and name it mysql-db. Set the database password to use db_pass123. Lookup the mysql image on Docker Hub and identify the correct environment variable to use for setting the root password.

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sudo docker run -d -e MYSQL_ROOT_PASSWORD=db_pass123 --name=mysql-db mysql

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