docker: add Dockerfile and entrypoint.sh

Dockerfile

@@ -0,0 +1,30 @@
+FROM archlinux:latest as build
+
+RUN pacman -Syu --noconfirm curl wget ninja pkgconf clang cmake make git \
+        patch ca-certificates gd opus zlib ffmpeg flac nodejs npm lmdb
+COPY . /opt/mix_build
+RUN cd /opt/mix_build && make release && \
+    cd /opt/mix_build && make webui && \
+    mkdir -p /opt/mix/webui/public && \
+    cp -a /opt/mix_build/build /opt/mix/ && \
+    cp -a /opt/mix_build/webui/dist /opt/mix/webui/ 
+
+# --- Final image ---
+FROM archlinux:latest 
+RUN pacman -Syu --noconfirm supervisor ca-certificates \
+        gd opus zlib ffmpeg flac lmdb && \
+    yes | pacman -Scc
+
+COPY --from=build /opt/mix /opt/mix
+
+VOLUME /opt/mix/webui/public/avatars
+VOLUME /opt/mix/webui/public/downloads
+VOLUME /opt/mix/webui/database
+
+USER root
+ENV USER=root
+
+ADD entrypoint.sh /entrypoint.sh
+
+ENTRYPOINT ["/entrypoint.sh"]
+CMD ["slmix"]

entrypoint.sh

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+#!/usr/bin/env bash
+set -e
+
+if [ "$1" = 'slmix' ]; then
+    if [[ -z $TOKENHOST ]]; then
+        echo "No TOKENHOST env!"
+        exit 1
+    fi
+    if [[ -z $TOKENDOWNLOAD ]]; then
+        echo "No TOKENDOWNLOAD env!"
+        exit 1
+    fi
+    if [[ -z $TOKENGUEST ]]; then
+        echo "No TOKENGUEST env!"
+        exit 1
+    fi
+    if [[ -z $TOKENAPI ]]; then
+        echo "No TOKENAPI env!"
+        exit 1
+    fi
+    cat > /opt/mix/config <<EOF
+mix_room                MixRoom
+mix_url                 /
+mix_token_host          $TOKENHOST # can start record
+mix_token_download      $TOKENDOWNLOAD # protected download folder 
+mix_token_guests        $TOKENGUEST # invite url 
+mix_token_api           $TOKENAPI # api token
+#mix_path               /opt/slmix/ 
+EOF
+    /opt/mix/build/slmix -c /opt/mix/config "$@"
+else
+    exec "$@"
+fi