Docker ADD vs COPY: What's the Difference?

Docker ADD vs COPY: What's the Difference?

What is the Difference Between COPY and ADD Instructions in Dockerfile? COPY and ADD are similar instructions used for copying files and directories to the Docker image. What's the difference then?

COPY and ADD are similar instructions used for copying files and directories to the Docker image. What's the difference then?

You come across a variety of Dockerfile instructions like FROM, RUN etc.

Then you come across COPY and ADD and realize that both instructions do the same job; copy the files and directories to your modified Docker image from the host.

Why does Dockerfile have two commands for the same task? Is there a difference between the two? Indeed. They have similar goals but in terms of behavior, they are different.

Let me explain that for you.

docker explain dockerfile

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