Dockerfile

FROM alpine:3.18 AS build

ENV LANG=C.UTF-8
RUN set -xe \
     && apk update \
     && apk add --no-cache --virtual .build-dependencies \
     git \
     abuild \
     binutils \
     build-base \
     automake \
     autoconf \
     argp-standalone \
     linux-headers \
     libev-dev \
     libusb-dev \
     cmake \
     dev86 \ 
     gcc
RUN set -xe \
     && apk add --no-cache \
     udev \
     bash \ 
     libusb \
     libev \
     libgcc \
     libstdc++ \
     libtool
# ARG is in my Synology Docker version not working - yet
ARG KNXD_VERSION
RUN git clone --branch "$KNXD_VERSION" --depth 1 https://github.com/knxd/knxd.git \
&& cd knxd \
&& chmod 777 ./bootstrap.sh \
&& ./bootstrap.sh \
&& ./configure --disable-systemd \
--enable-busmonitor \
--enable-tpuart \
--enable-usb \
--enable-eibnetipserver \
--enable-eibnetip \
--enable-eibnetserver \
--enable-eibnetiptunnel \
 --enable-groupcache \
&& mkdir -p src/include/sys && ln -s /usr/lib/bcc/include/sys/cdefs.h src/include/sys \
&& make \
&& mkdir /install \
&& make DESTDIR=/install install


FROM alpine:3.18

# get needed runtime libs
RUN set -xe \
&& apk add --no-cache \
udev \
bash \
libusb \
libev \
libgcc \
libstdc++ \
libtool \
envsubst

# copy knxd files and libs
COPY --from=build /install/ /

# copy knxd configuration
COPY knxd-template.ini /etc/

COPY init.sh /usr/local/bin/
RUN chmod +x /usr/local/bin/init.sh

ENTRYPOINT ["/bin/sh", "-c", "/usr/local/bin/init.sh && knxd /etc/knxd.ini"]