reduce complexity of container build for experimental addon, hopefull…

…y fixes install issues

ism7mqtt-experimental/Dockerfile

@@ -1,74 +1,21 @@
-FROM zivillian/ism7mqtt:master
+ARG BUILD_FROM
 
-# Default ENV
-ENV \
-    LANG="C.UTF-8" \
-    S6_OVERLAY_VERSION=3.1.2.1 \
-    S6_BEHAVIOUR_IF_STAGE2_FAILS=2 \
-    S6_CMD_WAIT_FOR_SERVICES_MAXTIME=0 \
-    S6_CMD_WAIT_FOR_SERVICES=1 \
-    S6_SERVICES_READYTIME=50 \
-    BASHIO_VERSION=0.14.3 \
-    TEMPIO_VERSION=2021.09.0
+FROM zivillian/ism7mqtt:master AS ism
 
-
-
-SHELL ["/bin/ash", "-o", "pipefail", "-c"]
+FROM $BUILD_FROM
 
 COPY run.sh /
-WORKDIR /usr/src
-ARG BUILD_ARCH
-
-# A lot of this is copied from HAs base image, so we can use its fancy features to retrieve options and MQTT credentials.
-# Could probably be done a lot simpler...
 RUN \
-    set -x \
-    && chmod a+x /run.sh \
-    && apk add --no-cache \
-        bash \
-        bind-tools \
-        ca-certificates \
-        curl \
-        jq \
-        tzdata \
-        xz \
+    apk add \
         icu-libs \
         moreutils \
         mosquitto-clients \
-    && if [ "${BUILD_ARCH}" = "armv7" ]; then \
-            export S6_ARCH="arm"; \
-        elif [ "${BUILD_ARCH}" = "i386" ]; then \
-            export S6_ARCH="i686"; \
-        elif [ "${BUILD_ARCH}" = "amd64" ]; then \
-            export S6_ARCH="x86_64"; \
-        else \
-            export S6_ARCH="${BUILD_ARCH}"; \
-        fi \
-    \
-    && curl -L -f -s "https://github.com/just-containers/s6-overlay/releases/download/v${S6_OVERLAY_VERSION}/s6-overlay-${S6_ARCH}.tar.xz" \
-        | tar Jxvf - -C / \
-    && curl -L -f -s "https://github.com/just-containers/s6-overlay/releases/download/v${S6_OVERLAY_VERSION}/s6-overlay-noarch.tar.xz" \
-        | tar Jxvf - -C / \
-    && curl -L -f -s "https://github.com/just-containers/s6-overlay/releases/download/v${S6_OVERLAY_VERSION}/s6-overlay-symlinks-arch.tar.xz" \
-        | tar Jxvf - -C / \
-    && curl -L -f -s "https://github.com/just-containers/s6-overlay/releases/download/v${S6_OVERLAY_VERSION}/s6-overlay-symlinks-noarch.tar.xz" \
-        | tar Jxvf - -C / \
-    && mkdir -p /etc/fix-attrs.d \
-    && mkdir -p /etc/services.d \
-    \
-    && mkdir -p /usr/src/bashio \
-    && curl -L -f -s "https://github.com/hassio-addons/bashio/archive/v${BASHIO_VERSION}.tar.gz" \
-        | tar -xzf - --strip 1 -C /usr/src/bashio \
-    && mv /usr/src/bashio/lib /usr/lib/bashio \
-    && ln -s /usr/lib/bashio/bashio /usr/bin/bashio \
-    \
-    && curl -L -f -s -o /usr/bin/tempio "https://github.com/home-assistant/tempio/releases/download/${TEMPIO_VERSION}/tempio_${BUILD_ARCH}" \
-    && chmod a+x /usr/bin/tempio \
-    && rm -rf /usr/src/*
+    && chmod a+x /run.sh
+
+COPY --from=ism /app /app/
 
 
+CMD [ "/run.sh" ]
 
 
 
-ENTRYPOINT ["/init"]
-CMD ["/run.sh"]