if there're large files, getting url: max failovers exceeded [max_tries=1] no sure if it's rate limit by fullnode.testnet.sui.io or local walrus publisher need to be run.

root@8898d6d10b45:/app# tcpdump -i any port 53 -n
tcpdump: data link type LINUX_SLL2
tcpdump: verbose output suppressed, use -v[v]... for full protocol decode
listening on any, link-type LINUX_SLL2 (Linux cooked v2), snapshot length 262144 bytes
05:09:32.771274 eth0  Out IP 172.19.0.5.51440 > 192.168.65.7.53: 43123+ AAAA? fullnode.testnet.sui.io. (41)
05:09:32.771419 eth0  Out IP 172.19.0.5.55492 > 192.168.65.7.53: 24180+ A? fullnode.testnet.sui.io. (41)
05:09:33.073491 eth0  In  IP 192.168.65.7.53 > 172.19.0.5.51440: 43123 0/0/0 (41)
05:09:33.073540 eth0  In  IP 192.168.65.7.53 > 172.19.0.5.55492: 24180 3/0/0 CNAME public-rpc.testnet.sui.io., CNAME public-rpc.sui-testnet.mystenlabs.com., A 34.8.91.125 (232)
05:09:33.073584 lo    In  IP 127.0.0.11.53 > 127.0.0.1.49406: 43123 0/0/0 (41)
05:09:33.073683 lo    In  IP 127.0.0.11.53 > 127.0.0.1.49406: 24180 3/0/0 CNAME public-rpc.testnet.sui.io., CNAME public-rpc.sui-testnet.mystenlabs.com., A 34.8.91.125 (133)
05:09:35.235266 eth0  Out IP 172.19.0.5.46162 > 192.168.65.7.53: 56386+ AAAA? fullnode.testnet.sui.io. (41)
05:09:35.235412 eth0  Out IP 172.19.0.5.44720 > 192.168.65.7.53: 39037+ A? fullnode.testnet.sui.io. (41)
05:09:35.238915 eth0  In  IP 192.168.65.7.53 > 172.19.0.5.44720: 39037 3/0/0 CNAME public-rpc.testnet.sui.io., CNAME public-rpc.sui-testnet.mystenlabs.com., A 34.8.91.125 (232)
05:09:35.239062 lo    In  IP 127.0.0.11.53 > 127.0.0.1.44005: 39037 3/0/0 CNAME public-rpc.testnet.sui.io., CNAME public-rpc.sui-testnet.mystenlabs.com., A 34.8.91.125 (133)
05:09:35.239778 eth0  In  IP 192.168.65.7.53 > 172.19.0.5.46162: 56386 0/0/0 (41)
05:09:35.239866 lo    In  IP 127.0.0.11.53 > 127.0.0.1.44005: 56386 0/0/0 (41)
05:09:36.929908 eth0  Out IP 172.19.0.5.58770 > 192.168.65.7.53: 26039+ A? fullnode.testnet.sui.io. (41)
05:09:36.929993 eth0  Out IP 172.19.0.5.50662 > 192.168.65.7.53: 65205+ AAAA? fullnode.testnet.sui.io. (41)
05:09:36.933852 eth0  In  IP 192.168.65.7.53 > 172.19.0.5.58770: 26039 3/0/0 CNAME public-rpc.testnet.sui.io., CNAME public-rpc.sui-testnet.mystenlabs.com., A 34.8.91.125 (232)
05:09:36.933942 lo    In  IP 127.0.0.11.53 > 127.0.0.1.45070: 26039 3/0/0 CNAME public-rpc.testnet.sui.io., CNAME public-rpc.sui-testnet.mystenlabs.com., A 34.8.91.125 (133)
05:09:36.934368 eth0  In  IP 192.168.65.7.53 > 172.19.0.5.50662: 65205 0/0/0 (41)
05:09:36.934489 lo    In  IP 127.0.0.11.53 > 127.0.0.1.45070: 65205 0/0/0 (41)

it could be just the rpc rate limit

Understood. Thanks for the update. Let me know if anything surfaces where Move or contract logic expertise might be useful.

You can't.

As stated in https://docs.docker.com/engine/reference/commandline/push/, it's a daemon option.