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@@ -275,12 +275,12 @@ image that you just pulled, make a change to it, and build a new image based on
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command.
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1. In an empty directory, create a simple `Dockerfile` that starts with the
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-2. ubuntu:15.04 image.
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+ ubuntu:15.04 image.
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FROM ubuntu:15.04
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2. Add a new file called "newfile" in the image's `/tmp` directory with the
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-3. text "Hello world" in it.
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+ text "Hello world" in it.
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When you are done, the `Dockerfile` contains two lines:
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@@ -291,7 +291,7 @@ command.
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3. Save and close the file.
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4. From a terminal in the same folder as your `Dockerfile`, run the following
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-5. command:
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+ command:
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$ docker build -t changed-ubuntu .
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Sending build context to Docker daemon 2.048 kB
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@@ -310,14 +310,14 @@ command.
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The output above shows a new image with image ID `94e6b7d2c720`.
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5. Run the `docker images` command to verify the new `changed-ubuntu` image is
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-6. in the Docker host's local storage area.
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+ in the Docker host's local storage area.
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REPOSITORY TAG IMAGE ID CREATED SIZE
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changed-ubuntu latest 03b964f68d06 33 seconds ago 131.4 MB
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ubuntu 15.04 013f3d01d247 6 weeks ago 131.3 MB
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6. Run the `docker history` command to see which image layers were used to
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-7. create the new `changed-ubuntu` image.
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+ create the new `changed-ubuntu` image.
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$ docker history changed-ubuntu
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IMAGE CREATED CREATED BY SIZE COMMENT
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Sebastiaan van Stijn