docker-adsb-ultrafeeder/rootfs/etc/services.d/prometheus-readsb/run

#!/usr/bin/with-contenv bash
# shellcheck shell=bash disable=SC1091

source /scripts/common

if chk_enabled "$PROMETHEUS_ENABLE"; then
    while [[ ! -f /run/readsb-prometheus.prom ]]
    do
        sleep 1
    done
    echo -e "HTTP/1.1 200 OK\nContent-Type: text/plain\n\n$(cat /run/readsb-prometheus.prom)" | ncat -l 9274 > /dev/null 2>&1
else
    sleep infinity
fi