Fixes on migration script

bin/database-wrangler/migration

 #!/bin/bash
+set -eu
+shopt -s expand_aliases
+alias ssh_remote="ssh " 
+
 
 [[ $# -lt 1 ]] && { echo "Specify the environment"; exit 1 ; }
 
+# Because some of the script use one or another, we clone both,
+# although we need to homogenize 
 export ENVIRONMENT=$1
+export GITLAB_ENV=$ENVIRONMENT
 
-source .env_${ENVIRONMENT} # That is, .env_staging or .env_production
+source .env_${ENVIRONMENT} # That is, .env_staging or .env_production (test also supported)
 source utilities
 source steps_${ENVIRONMENT}