Pin docker to v28 to avoid API deprecation issues

Dockerfile

@@ -27,6 +27,9 @@ RUN \
       sed 's#deb https://#deb [signed-by=/usr/share/keyrings/nvidia-container-toolkit-keyring.gpg] https://#g' | \
       tee /etc/apt/sources.list.d/nvidia-container-toolkit.list && \
   curl -fsSL https://deb.nodesource.com/setup_20.x | bash - && \
+  echo "Package: docker-ce docker-ce-cli docker-ce-rootless-extras \
+  Pin: version 5:28.* \
+  Pin-Priority: 1001" > /etc/apt/preferences.d/docker && \
   apt-get install -y --no-install-recommends \
     btrfs-progs \
     build-essential \

Dockerfile.aarch64

@@ -27,6 +27,9 @@ RUN \
       sed 's#deb https://#deb [signed-by=/usr/share/keyrings/nvidia-container-toolkit-keyring.gpg] https://#g' | \
       tee /etc/apt/sources.list.d/nvidia-container-toolkit.list && \
   curl -fsSL https://deb.nodesource.com/setup_20.x | bash - && \
+  echo "Package: docker-ce docker-ce-cli docker-ce-rootless-extras \
+  Pin: version 5:28.* \
+  Pin-Priority: 1001" > /etc/apt/preferences.d/docker && \
   apt-get install -y --no-install-recommends \
     btrfs-progs \
     build-essential \

README.md

@@ -313,6 +313,7 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
+* **13.11.25:** - Pin docker to v28 to avoid API deprecation issues.
 * **22.10.25:** - Update for 1.18.0 release.
 * **08.06.25:** - Deprecate develop branch.
 * **03.06.25:** - Rebase to Ubuntu Noble. Update for 1.17.0 release.

readme-vars.yml

@@ -126,6 +126,7 @@ init_diagram: |
   "kasm:latest" <- Base Images
 # changelog
 changelogs:
+  - {date: "13.11.25:", desc: "Pin docker to v28 to avoid API deprecation issues."}
   - {date: "22.10.25:", desc: "Update for 1.18.0 release."}
   - {date: "08.06.25:", desc: "Deprecate develop branch."}
   - {date: "03.06.25:", desc: "Rebase to Ubuntu Noble. Update for 1.17.0 release."}