inventaire: docker-entrypoint.sh: adapt the edited local config file to the used NODE_ENV

Everything is this docker-compose.yml is done with NODE_ENV=production in mind, but if someone wants to play with other environments,
that should now work too

inventaire/docker-entrypoint.sh

@@ -2,8 +2,8 @@
 
 set -eu
 
-# Overwrite the local-production config with environment variables every time the container is restarted
-cat > ./config/local-production.cjs << EOF
+# Overwrite the local-${NODE_ENV} config with environment variables every time the container is restarted
+cat > "./config/local-${NODE_ENV}.cjs" << EOF
 module.exports = {
   port: '${INVENTAIRE_PORT}',
   publicHostname: '${PUBLIC_HOSTNAME}',