---version:"2.1"services:duckdns:image:linuxserver/duckdns:arm32v6-latest#using this on pi zero so armv6 is taggedcontainer_name:duckdnsnetworks:-proxy# rename this to your custom docker networkenvironment:-PUID=${PUID}#optional-PGID=${PGID}#optional-TZ=${TZ}-SUBDOMAINS="${DD_PRI}","${DD_SEC}"-TOKEN="${DD_TOKEN}"-LOG_FILE=true#optionalvolumes:-"${CFG_DIR}/duckdns:/config"#optionalrestart:unless-stoppednetworks:proxy:# rename this to your custom docker network.external:true