dock'er? i hardly

Dockerfile

@@ -9,6 +9,7 @@
 
 # Make sure RUBY_VERSION matches the Ruby version in .ruby-version
 ARG RUBY_VERSION=3.4.4
+ARG NODE_VERSION=22
 FROM docker.io/library/ruby:$RUBY_VERSION-slim AS base
 
 # Rails app lives here
@@ -28,9 +29,13 @@ ENV RAILS_ENV="production" \
 # Throw-away build stage to reduce size of final image
 FROM base AS build
 
-# Install packages needed to build gems
+# Install packages needed to build gems and Node.js/Yarn
+ARG NODE_VERSION
 RUN apt-get update -qq && \
-    apt-get install --no-install-recommends -y build-essential git libyaml-dev pkg-config && \
+    apt-get install --no-install-recommends -y build-essential git libyaml-dev pkg-config curl && \
+    curl -fsSL https://deb.nodesource.com/setup_${NODE_VERSION}.x | bash - && \
+    apt-get install --no-install-recommends -y nodejs && \
+    corepack enable && \
     rm -rf /var/lib/apt/lists /var/cache/apt/archives
 
 # Install application gems
@@ -39,13 +44,17 @@ RUN bundle install && \
     rm -rf ~/.bundle/ "${BUNDLE_PATH}"/ruby/*/cache "${BUNDLE_PATH}"/ruby/*/bundler/gems/*/.git && \
     bundle exec bootsnap precompile --gemfile
 
+# Install Node.js dependencies
+COPY package.json yarn.lock ./
+RUN yarn install --frozen-lockfile
+
 # Copy application code
 COPY . .
 
 # Precompile bootsnap code for faster boot times
 RUN bundle exec bootsnap precompile app/ lib/
 
-# Precompiling assets for production without requiring secret RAILS_MASTER_KEY
+# Build Vite assets and precompile Rails assets
 RUN SECRET_KEY_BASE_DUMMY=1 ./bin/rails assets:precompile