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craig-osterhout merged 1 commit into from
Jan 20, 2026
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Update understanding-image-layers.md #23996

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14 changes: 7 additions & 7 deletions content/get-started/docker-concepts/building-images/understanding-image-layers.md
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Original file line number Diff line number Diff line change
Expand Up @@ -103,13 +103,13 @@ In this first step, you will create your own base image that you will then use f

```console
IMAGE CREATED CREATED BY SIZE COMMENT
d5c1fca2cdc4 10 seconds ago /bin/bash 126MB Add node
2b7cc08dcdbb 5 weeks ago /bin/sh -c #(nop) CMD ["/bin/bash"] 0B
<missing> 5 weeks ago /bin/sh -c #(nop) ADD file:07cdbabf782942af0… 69.2MB
<missing> 5 weeks ago /bin/sh -c #(nop) LABEL org.opencontainers.… 0B
<missing> 5 weeks ago /bin/sh -c #(nop) LABEL org.opencontainers.… 0B
<missing> 5 weeks ago /bin/sh -c #(nop) ARG LAUNCHPAD_BUILD_ARCH 0B
<missing> 5 weeks ago /bin/sh -c #(nop) ARG RELEASE 0B
9e274734bb25 10 seconds ago /bin/bash 157MB Add node
cd1dba651b30 7 days ago /bin/sh -c #(nop) CMD ["/bin/bash"] 0B
<missing> 7 days ago /bin/sh -c #(nop) ADD file:6089c6bede9eca8ec… 110MB
<missing> 7 days ago /bin/sh -c #(nop) LABEL org.opencontainers.… 0B
<missing> 7 days ago /bin/sh -c #(nop) LABEL org.opencontainers.… 0B
<missing> 7 days ago /bin/sh -c #(nop) ARG LAUNCHPAD_BUILD_ARCH 0B
<missing> 7 days ago /bin/sh -c #(nop) ARG RELEASE 0B
```

Note the “Add node” comment on the top line. This layer contains the Node.js install you just made.
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