Merge pull request #426 from bnounours/master

Fix bad network and bad path to postgres env in docker run

roles/matrix-postgres/templates/usr-local-bin/matrix-change-user-admin-status.j2

@@ -13,7 +13,7 @@ docker run \
 	--rm \
 	--user=991:991 \
 	--cap-drop=ALL \
-	--env-file=/matrix/postgres/env-postgres-psql \
+	--env-file={{ matrix_postgres_base_path }}/env-postgres-psql \
-	--network matrix \
+	--network {{ matrix_docker_network }} \
 	postgres:12.1-alpine \
 	psql -h matrix-postgres -c "UPDATE users set admin=$2 WHERE name like '@$1:{{ matrix_domain }}'"