FROM node:18-alpine3.15

LABEL version="1.0.0" \
    author="Daniel Sommer <daniel.sommer@velvettear.de" \
    license="MIT"

MAINTAINER Daniel Sommer <daniel.sommer@velvettear.de>

ENV LANG=C.UTF-8

RUN apk update --no-cache --progress \
 && apk upgrade --no-cache --progress \
 && apk add --no-cache --progress \
    tzdata \
    git \
 && ln -sf /usr/share/zoneinfo/Europe/Berlin /etc/localtime \
 && echo "Europe/Berlin" > /etc/timezone \
 && git clone https://git.velvettear.de/velvettear/kannon.git /opt/kannon \
 && cd /opt/kannon \
 && npm install \
 && apk del --no-cache tzdata git

WORKDIR /opt/kannon

ENTRYPOINT ["node", "kannon.js", "docker/docker_config.json"]