Fix localfull Homebrew failure, silence Node.js 20 action warnings, prevent matrix fail-fast.

Author: gherlein

.github/workflows/publish-multiarch.yml

@@ -15,6 +15,7 @@ env:
   REGISTRY: ghcr.io
   IMAGE_DEV: ghcr.io/gherlein/localdev
   IMAGE_FULL: ghcr.io/gherlein/localfull
+  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
 
 jobs:
   build-and-push:
@@ -23,6 +24,7 @@ jobs:
       contents: read
       packages: write
     strategy:
+      fail-fast: false
       matrix:
         include:
           - image: localdev

Containerfile.full

@@ -191,14 +191,10 @@ RUN . $NVM_DIR/nvm.sh && \
     @github/copilot && \
     npm cache clean --force
 
-# Install Homebrew
-RUN /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
-
-# Add Homebrew to PATH
-ENV PATH="/home/linuxbrew/.linuxbrew/bin:${PATH}"
-
-# install Marp CLI
-RUN brew install marp-cli
+# Install Marp CLI via npm (no Homebrew needed - available as @marp-team/marp-cli)
+RUN . $NVM_DIR/nvm.sh && \
+    NODE_OPTIONS="--max-old-space-size=4096" npm install -g @marp-team/marp-cli && \
+    npm cache clean --force
 
 # Install Hugo Extended static site generator
 ARG HUGO_VERSION=0.146.0