docker exec -it -u 0 6899f3bfdc70056d5bedc8502bd28bb71afd71f7e8ecc6b0f0d9c9496ac6546d bash # It is the -u 0 that allows you in as a root user
docker exec -it -u 0 6899f3bfdc70056d5bedc8502bd28bb71afd71f7e8ecc6b0f0d9c9496ac6546d bash # It is the -u 0 that allows you in as a root user