debug3: authmethod_is_enabled publickey
debug1: Next authentication method: publickey
debug1: Offering RSA public key: /home/hdadmin/.ssh/id_rsa
debug3: send_pubkey_test
debug3: send packet: type 50
debug2: we sent a publickey packet, wait for reply
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey,password,keyboard-interactive
debug2: we did not send a packet, disable method
...
debug1: No more authentication methods to try.
Permission denied (publickey,password,keyboard-interactive).

-rw-------    1 hdadmin  hdadmin        402 Feb 25 04:54 authorized_keys
-rw-------    1 hdadmin  hdadmin         87 Feb 25 04:54 config
-rw-------    1 hdadmin  hdadmin       1671 Feb 25 04:54 id_rsa
-rw-r--r--    1 hdadmin  hdadmin        402 Feb 25 04:54 id_rsa.pub
-rw-------    1 hdadmin  hdadmin       1637 Feb 25 04:54 known_hosts

RUN HOST_KEY="$(cat /etc/ssh/ssh_host_rsa_key.pub)"
&& echo "127.0.0.1 ${HOST_KEY}" >> /home/hdadmin/.ssh/known_hosts
&& echo "localhost ${HOST_KEY}" >> /home/hdadmin/.ssh/known_hosts
&& echo "$HOSTNAME ${HOST_KEY}" >> /home/hdadmin/.ssh/known_hosts
&& echo "0.0.0.0 ${HOST_KEY}"   >> /home/hdadmin/.ssh/known_hosts
&& su-exec hdadmin ssh-keygen -q -N '' -t rsa -f /home/hdadmin/.ssh/id_rsa
&& cat /home/hdadmin/.ssh/id_rsa.pub >> /home/hdadmin/.ssh/authorized_keys
&& echo "Host *" >> /home/hdadmin/.ssh/config
&& echo -e "tUser hdadmin" >> /home/hdadmin/.ssh/config
&& echo -e "tPubKeyAuthentication yes" >> /home/hdadmin/.ssh/config
&& echo -e "tIdentityFile /home/hdadmin/.ssh/id_rsa" >> /home/hdadmin/.ssh/config
&& eval $(ssh-agent)
&& ssh-add /home/hdadmin/.ssh/id_rsa
&& chmod 0600 /home/hdadmin/.ssh/*
&& chmod 0644 /home/hdadmin/.ssh/*.pub
&& /usr/sbin/sshd
&& su-exec hdadmin ssh -vvv localhost