Don't require database in GHA docker workflow check

bin/docker-entrypoint

@@ -1,8 +1,11 @@
-#!/bin/bash -e
+#!/bin/bash
+set -e
 
-# If running the rails server then create or migrate existing database
-# if [ "${*}" == "./bin/rails server" ]; then
-#   ./bin/rails db:prepare
-# fi
+# Remove a potentially pre-existing server.pid for Rails.
+rm -f /usr/src/app/tmp/pids/server.pid
 
-exec "${@}"
+echo "bundle install..."
+bundle check || bundle install --jobs 4
+
+# Then exec the container's main process (what's set as CMD in the Dockerfile).
+exec "$@"