docker run bitcoin testnet3 and signet doesn't work well

run esplora via docker:

1. build the docker image first on server according to https://github.com/Blockstream/esplora?tab=readme-ov-file#how-to-build-the-docker-image

2. run testnet3 according to https://github.com/Blockstream/esplora?tab=readme-ov-file#how-to-run-the-explorer-for-bitcoin-testnet3

bitcoind can sync up blocks normally, yet the backend service is not started.

check nginx config in the container:


`ls` under `/var`:


**`/var/electrs-rest.sock` does not exist**

check electrs logs:


it keeps printing the same log without errors after syncing all the blocks.

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try to run bitcoin signet, the phenomenon is the same as testnet3

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try to run bitcoin regtest, everything works well.

check regtest electrs logs:


it has 2 lines of output that say the rest service is up, once the blocks are synced, whereas testnet3 and signet don't have this kind of log.

please check