Sauvegardez vos bases de données
docker exec -t your-db-container pg_dumpall -c -U postgres > dump_`date +%d-%m-%Y"_"%H_%M_%S`.sql
Restaurez vos bases de données
cat your_dump.sql | docker exec -i your-db-container psql -U postgres
docker exec -t your-db-container pg_dumpall -c -U postgres > dump_`date +%d-%m-%Y"_"%H_%M_%S`.sql
cat your_dump.sql | docker exec -i your-db-container psql -U postgres