On a tangent, I've just set up a Debian 11 Linode LEMP server with 1GB 
RAM and 10GB Disk.
It's not in the least troubled by the limited memory. Also there is no 
swap in the default image - which seem sensible as it's on a SSD and 
you don't want to be exercising a SSD with lots of swaps
df
Filesystem     1K-blocks    Used Available Use% Mounted on
udev              482172       0    482172   0% /dev
tmpfs             100004     452     99552   1% /run
/dev/sda        25207476 2287196  21619456  10% /
tmpfs             500016       0    500016   0% /dev/shm
tmpfs               5120       0      5120   0% /run/lock
tmpfs             100000       0    100000   0% /run/user/0