chore(infra): sauvegarde la base de données avant de la transférer sur dev et preprod (#154)

infra/roles/prod/templates/transfer_data_to_dev_and_preprod

 #!/bin/bash
 
-scp -P 212 /srv/backups/camino.sql prod@preprod.camino.beta.gouv.fr:/srv/backups/camino_prod.sql
+docker exec camino_api_db pg_dump --clean --if-exists --format=c --no-owner --no-privileges --dbname=camino > /srv/backups/camino_for_transfer.sql
+
+chown git:users /srv/backups/camino_for_transfer.sql
+
+scp -P 212 /srv/backups/camino_for_transfer.sql prod@preprod.camino.beta.gouv.fr:/srv/backups/camino_prod.sql
 rsync -avz --delete -e 'ssh -p 212' /srv/www/camino/files prod@preprod.camino.beta.gouv.fr:/srv/backups/camino_prod/
 
-scp -P 212 /srv/backups/camino.sql prod@dev.camino.beta.gouv.fr:/srv/backups/camino_prod.sql
+scp -P 212 /srv/backups/camino_for_transfer.sql prod@dev.camino.beta.gouv.fr:/srv/backups/camino_prod.sql
 rsync -avz --delete -e 'ssh -p 212' /srv/www/camino/files prod@dev.camino.beta.gouv.fr:/srv/backups/camino_prod/
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