🔧 Update Dockerfile

Dockerfile

@@ -1,22 +1,34 @@
-# Do not update to Ruby 3 until Gemfile dependencies are fixed
 FROM docker.io/ruby:2.7.8-bullseye
 
 ARG BUNDLE_RUBYGEMS__PKG__GITHUB__COM
-
-# These are needed to support building native extensions during
-# bundle install step
-RUN apk --update add --virtual build_deps build-base git
-
-RUN addgroup -g 1000 -S appgroup \
-  && adduser -u 1000 --system appuser \
-  && adduser appuser appgroup \
-  && gem install bundler \
-  && bundle config
+ENV CONTAINER_USER="nonroot" \
+  CONTAINER_UID="10000" \
+  CONTAINER_GROUP="nonroot" \
+  CONTAINER_GID="10000" \
+  CONTAINER_HOME="/app" \
+  DEBIAN_FRONTEND="noninteractive" \
+  NODE_MAJOR="18"
+
+
+RUN apt-get update && apt-get install -y build-essential git
+
+RUN groupadd \
+      --gid ${CONTAINER_GID} \
+      --system \
+      ${CONTAINER_GROUP} \
+    && useradd \
+      --uid ${CONTAINER_UID} \
+      --gid ${CONTAINER_GROUP} \
+      ${CONTAINER_USER} \
+    && mkdir --parents ${CONTAINER_HOME} \
+    && chown --recursive ${CONTAINER_USER}:${CONTAINER_GROUP} ${CONTAINER_HOME}
 
 # Required at runtime by middleman
-RUN apk add --no-cache nodejs
+# RUN apk add --no-cache nodejs
+
+RUN echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_$NODE_MAJOR.x nodistro main" | tee /etc/apt/sources.list.d/nodesource.list
 
-WORKDIR /app
+WORKDIR ${CONTAINER_HOME}
 
 COPY Gemfile Gemfile.lock ./