Merge pull request #9 from iFlyinq/patch-alerts-support

Updated .env.example

fix sed handling in macOS (#7)

add a separate webapp publish env var

only expose ports on localhost by default

fix for recent electric versions

update readme

enable logical replication for split setup

fix electric network

apply changes to split setup

update example env

fix electric origin

configurable image tags and restart policy

add update script

add electric