Incorrect statement in "Doing More With Docker Images"

[rcjsuen]

In Doing More With Docker Images, it says the following...

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What just happened?
We created two files: our application code (index.js) is a simple bit of javascript code that prints out a message. And the Dockerfile is the instructions for Docker engine to create our custom container. This Dockerfile does the following:

1. Specifies a base image to pull FROM - the alpine image we used in earlier labs.
2. Then it RUNs two commands (apk update and apk add) inside that container which installs the Node.js server.
3. Then we told it to COPY files from our working directory in to the container. The only file we have right now is our index.js.
4. Next we specify the WORKDIR - the directory the container should use when it starts up
5. And finally, we gave our container a command (CMD) to run when the container starts.

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The third bullet point claims that: "The only file we have right now is our index.js."
However, this is not correct because the Dockerfile also exists in ./ so both files are actually copied into the /app folder.