How to run dockerfile file

Run the Dockerfile file

The Dockerfile file is a text file used to build a Docker image. It contains a set of instructions that guide Docker to build an image layer by layer. To run a Dockerfile, use the following steps:

1. Create a Dockerfile

Create a new text file with the following content and name it "Dockerfile" ：

<code>FROM nginx
COPY index.html /usr/share/nginx/html</code>

2. Build the image

In the directory containing the Dockerfile file, run the following command:

<code>docker build -t my-nginx-image .</code>

3. Run the container

After building the image, you can run the container using the following command:

<code>docker run -it --rm --name my-nginx-container my-nginx-image</code>

This will create a new container named "my-nginx-container" and run it. You can use the following command to view the running container:

<code>docker ps</code>

4. Access the container

After the container is running, you can use the following command to enter the container:

<code>docker exec -it my-nginx-container bash</code>

This will open an interactive shell where you can execute commands. To exit the shell, type "exit".

5. Stop the container

To stop the container, use the following command:

<code>docker stop my-nginx-container</code>

After the container is stopped, you can delete it using the following command:

<code>docker rm my-nginx-container</code>

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