How to pass commands as arguments to ssh [duplicate]

Answer 1

I would say this:

sshpass -p XXXX ssh -oStrictHostKeyChecking=no wsuser@192.168.0.100 \
  "sudo docker exec -u postgres postgres-container \
  /bin/bash -c \"psql -d crawl-configuration -c 'select * from schema_version'\""

Double quote the whole command to be executed by ssh, then escape double quotes within the command.

Alternatively, use a here-doc:

sshpass -p XXXX ssh -T -oStrictHostKeyChecking=no wsuser@192.168.0.100 <<-'EOF'
    sudo docker exec -u postgres postgres-container \
    /bin/bash -c "psql -d crawl-configuration -c 'select * from schema_version'"
EOF

No quoting needed because of the quoted 'EOF' delimiter. The -T disables allocation of a pseudo-terminal.