Eclair test connection fails

[britttttk]

Describe the bug
Test lightning connection in store when using eclair gives the ui error:
Error while connecting to the API (Name or service not known).

To Reproduce
Steps to reproduce the behavior:

1. Go to Store settings
2. Click on Modify Lightning
3. Click Use the internal lightning node of this BTCPay Server instance by clicking here.
4. Click submit & test connection
5. See Error while connecting to the API (Name or service not known).

Expected behavior
Test connection succeeds.

Screenshots

Your BTCPay Environment (please complete the following information):

• BTCPay Server Version: v1.0.5.9
• Deployment Method: Configurator deploy to DigitalOcean

Logs (if applicable)
eclair container is running but it's log is a long list of this same log:

/bin/sh: 1: -Xmx256m: not found
/bin/sh: 1: -Xmx256m: not found
/bin/sh: 1: -Xmx256m: not found
/bin/sh: 1: -Xmx256m: not found

Setup Parameters

-------SETUP-----------
Parameters passed:
BTCPAY_PROTOCOL:https
BTCPAY_HOST:mysite.com
BTCPAY_ADDITIONAL_HOSTS:
REVERSEPROXY_HTTP_PORT:80
REVERSEPROXY_HTTPS_PORT:443
REVERSEPROXY_DEFAULT_HOST:none
LIBREPATRON_HOST:
WOOCOMMERCE_HOST:
BTCTRANSMUTER_HOST:
BTCPAY_ENABLE_SSH:true
BTCPAY_HOST_SSHKEYFILE:
LETSENCRYPT_EMAIL:
NBITCOIN_NETWORK:mainnet
LIGHTNING_ALIAS:
BTCPAYGEN_CRYPTO1:btc
BTCPAYGEN_CRYPTO2:
BTCPAYGEN_CRYPTO3:
BTCPAYGEN_CRYPTO4:
BTCPAYGEN_CRYPTO5:
BTCPAYGEN_CRYPTO6:
BTCPAYGEN_CRYPTO7:
BTCPAYGEN_CRYPTO8:
BTCPAYGEN_CRYPTO9:
BTCPAYGEN_REVERSEPROXY:nginx
BTCPAYGEN_LIGHTNING:eclair
BTCPAYGEN_ADDITIONAL_FRAGMENTS:opt-txindex
BTCPAYGEN_EXCLUDE_FRAGMENTS:
BTCPAY_IMAGE:
ACME_CA_URI:production
TOR_RELAY_NICKNAME:
TOR_RELAY_EMAIL:
PIHOLE_SERVERIP:
----------------------
Additional exported variables:
BTCPAY_DOCKER_COMPOSE=/root/btcpayserver-docker/Generated/docker-compose.generated.yml
BTCPAY_BASE_DIRECTORY=/root
BTCPAY_ENV_FILE=/root/.env
BTCPAYGEN_OLD_PREGEN=false
BTCPAY_SSHKEYFILE=/datadir/host_id_rsa
BTCPAY_SSHAUTHORIZEDKEYS=/datadir/host_authorized_keys
BTCPAY_HOST_SSHAUTHORIZEDKEYS:/root/.ssh/authorized_keys
BTCPAY_SSHTRUSTEDFINGERPRINTS:
BTCPAY_CRYPTOS:btc
BTCPAY_ANNOUNCEABLE_HOST:mysite.com
----------------------

Additional context
Setup with configurator using these commands

[NicolasDorier]

Fixed by btcpayserver/btcpayserver-docker@f02e4bb#diff-bb8e76f029bd7d5419dcd77ae44c9f3265ab62672f457500aa9dd778908cdeeb