Allow user Entrypoint scripts

ci/release-image/entrypoint.sh

@@ -18,4 +18,13 @@ if [ "${DOCKER_USER-}" ]; then
   fi
 fi
 
+# Allow users to have scripts run on container startup to prepare workspace.
+# https://github.com/coder/code-server/issues/5177
+chmod u+x ${ENTRYPOINTD}/*.sh
+sudo chown -R ${USER} ${ENTRYPOINTD}/*
+for f in ${ENTRYPOINTD}/*.sh; do
+  echo "Running Entrypoint: ${f}"
+  bash "${f}"
+done
+
 exec dumb-init /usr/bin/code-server "$@"