diff --git a/scripts/upgrade b/scripts/upgrade
index 7b5d5ec..66bd828 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -108,15 +108,11 @@ then
 	# Remove the tmp directory securely
 	ynh_secure_remove --file="$tmpdir"
 
-	ynh_install_composer --workdir="$final_path" --install_args="--prefer-source --no-dev"
+	ynh_install_composer --workdir="$final_path" --install_args="--no-dev"
 
 	pushd $final_path
-		php$phpversion artisan migrate -n --force
+		php$phpversion artisan migrate #-n --force
 	popd
-
-	ynh_backup_if_checksum_is_different --file="$final_path/.env"
-	# Recalculate and store the checksum of the file for the next upgrade.
-	ynh_store_file_checksum --file="$final_path/.env"
 fi
 
 #=================================================
@@ -150,6 +146,23 @@ ynh_script_progression --message="Upgrading PHP-FPM configuration..." --weight=2
 # Create a dedicated PHP-FPM config
 ynh_add_fpm_config --usage=low --footprint=low --package="$extra_php_dependencies"
 
+#=================================================
+# BUILDING
+#=================================================
+ynh_script_progression --message="Building..."
+
+ynh_backup_if_checksum_is_different --file="$final_path/.env"
+# Setup application config
+cp ../conf/.env.example $final_path/.env
+
+ynh_replace_string --match_string="__DB_NAME__" --replace_string="$db_name" --target_file="$final_path/.env"
+ynh_replace_string --match_string="__DB_PASS__" --replace_string="$db_pwd" --target_file="$final_path/.env"
+ynh_replace_string --match_string="__FINALPATH__" --replace_string="$final_path" --target_file="$final_path/.env"
+ynh_replace_string --match_string="__PUBLICPATH__" --replace_string="$public_path" --target_file="$final_path/.env"
+
+# Recalculate and store the checksum of the file for the next upgrade.
+ynh_store_file_checksum --file="$final_path/.env"
+
 # SECURE FILES AND DIRECTORIES
 #=================================================