AutoDevReverseProxy/templates/caddy.sh

#!/usr/bin/env bash
set -e
DOCKER_SOCK_PATH="${DOCKER_SOCK_PATH:-/tmp/docker.sock}"
DOCKER_CADDY_NAME="${DOCKER_CADDY_NAME:-proxy}"
DOCKER_CADDY_PORT="${DOCKER_CADDY_PORT:-2020}"

WRAP_START='{\n\tadmin :2020\n}\n'
WRAP_END='\n'
TEMPLATE='${LOCAL_WEB_HOST} {\n\treverse_proxy ${LOCAL_IP}:$LOCAL_WEB_PORT\n}'
SEPARATOR='\n'
OUT='/config/Caddyfile'

label_hook() {
    LOCAL_WEB_PORT="${LOCAL_WEB_PORT:-80}"
}

template_hook() {
    if grep -q '^[^ ]\+ {\\n\\treverse_proxy \(?::\|[.0-9a-e]\)\+\:[0-9]\+\\n}$' <<< "${PARTIAL_RESULT}"
    then
        return 0;
    fi
    return 1;
}

finally_hook() {
    if curl --silent "${DOCKER_CADDY_NAME}:${DOCKER_CADDY_PORT}/load" -H "Content-Type: text/caddyfile" --data-binary "@${OUT}"
    then
        printf '%s | Updated Caddy Config\n' "$(get_date)"
    else
        printf '%s | Failed to update Caddy Config\n' "$(get_date)"
    fi
}