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Microsoft AZ-800 Exam - Topic 3 Question 82 Discussion
Topic #: 3
SIMULATION
Task 5
You have an application that is copied to a folder named C:\app on SRV1. C:\app also contains also a Dockerfile for the app.
On SRV1. you need to create a container image for the application by using the Dockerfile. The container image mutt be named app1.
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To create a container image named app1 for your application using the Dockerfile in the C:app directory on SRV1, follow these steps:
Step 1: Open PowerShell or Command Prompt First, open PowerShell or Command Prompt on SRV1.
Step 2: Navigate to the Application Directory Change to the directory where your application and Dockerfile are located:
cd C:app
Step 3: Build the Container Image Use the docker build command to create the container image. The -t flag tags the image with the name app1:
docker build -t app1 .
The period . at the end of the command tells Docker to use the Dockerfile in the current directory.
Step 4: Verify the Image Creation After the build process completes, verify that the image app1 has been created successfully by listing all images:
docker images
You should see app1 in the list of images.
Step 5: Use the Image Now, you can use the image app1 to run containers or push it to a container registry if needed.
By following these steps, you'll have created a Docker container image named app1 using the Dockerfile located in C:app on SRV11. Ensure that Docker is installed on SRV1 and that you have the necessary permissions to execute these commands.
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