esphome/docker/hassio-rootfs/etc/cont-init.d/20-nginx.sh

#!/usr/bin/with-contenv bashio
# ==============================================================================
# Community Hass.io Add-ons: ESPHome
# Configures NGINX for use with ESPHome
# ==============================================================================

declare certfile
declare keyfile
declare direct_port
declare ingress_interface
declare ingress_port

mkdir -p /var/log/nginx

direct_port=$(bashio::addon.port 6052)
if bashio::var.has_value "${direct_port}"; then
    if bashio::config.true 'ssl'; then
        certfile=$(bashio::config 'certfile')
        keyfile=$(bashio::config 'keyfile')

        mv /etc/nginx/servers/direct-ssl.disabled /etc/nginx/servers/direct.conf
        sed -i "s/%%certfile%%/${certfile}/g" /etc/nginx/servers/direct.conf
        sed -i "s/%%keyfile%%/${keyfile}/g" /etc/nginx/servers/direct.conf
    else
        mv /etc/nginx/servers/direct.disabled /etc/nginx/servers/direct.conf
    fi

    sed -i "s/%%port%%/${direct_port}/g" /etc/nginx/servers/direct.conf
fi

ingress_port=$(bashio::addon.ingress_port)
ingress_interface=$(bashio::addon.ip_address)
sed -i "s/%%port%%/${ingress_port}/g" /etc/nginx/servers/ingress.conf
sed -i "s/%%interface%%/${ingress_interface}/g" /etc/nginx/servers/ingress.conf