docker pull postgres:14.5

docker --help

docker pull postgres:14.5
docker images

docker run --name containername -e POSTGRES_PASSWORD=mysecretpassword -d postgres:14.5

docker ps

docker exec container4db psql

psql: error: connection to server on socket "/var/run/postgresql/.s.PGSQL.5432" failed: FATAL: role "root" does not exist

su 切换用户