Refactored dockerfile

Signed-off-by: Andrew DeMaria <lostonamountain@gmail.com>

install/docker/.dockerignore

@@ -1,4 +1,4 @@
-!target/airsonic.war
 .gitignore
 pom.xml
 target/
+!target/dependency/*

install/docker/Dockerfile

@@ -3,25 +3,27 @@ FROM alpine:3.6
 LABEL description="Airsonic is a free, web-based media streamer, providing ubiquitious access to your music." \
       url="https://github.com/airsonic/airsonic"
 
-ENV UID=1001 GID=1001 AIRSONIC_PORT=4040 AIRSONIC_DIR=/airsonic
+ENV AIRSONIC_PORT=4040 AIRSONIC_DIR=/airsonic
 
 WORKDIR $AIRSONIC_DIR
 
-COPY dockerfiles/run.sh /usr/local/bin/run.sh
-COPY target/dependency/airsonic-main-6.3-SNAPSHOT.war airsonic.war
-
 RUN apk --no-cache add \
     ffmpeg \
     lame \
-    su-exec \
+    bash \
     libressl \
     ca-certificates \
     tini \
-    openjdk8-jre \
-    && chmod +x /usr/local/bin/run.sh
+    openjdk8-jre
+
+COPY run.sh /usr/local/bin/run.sh
+
+RUN chmod +x /usr/local/bin/run.sh
+
+COPY target/dependency/airsonic-main-6.3-SNAPSHOT.war airsonic.war
 
 EXPOSE $AIRSONIC_PORT
 
 VOLUME $AIRSONIC_DIR/data $AIRSONIC_DIR/music $AIRSONIC_DIR/playlists $AIRSONIC_DIR/podcasts
 
-ENTRYPOINT ["run.sh"]
+ENTRYPOINT ["tini", "--", "run.sh"]

install/docker/pom.xml

@@ -39,6 +39,7 @@
                 <configuration>
                     <repository>airsonic/airsonic</repository>
                     <tag>${project.version}</tag>
+                    <retryCount>0</retryCount>
                 </configuration>
             </plugin>
             <plugin>

install/docker/run.sh

@@ -1,13 +1,18 @@
-#!/bin/sh
+#!/bin/bash
+
+set -e
 
 mkdir -p $AIRSONIC_DIR/data/transcode
-ln -s /usr/bin/ffmpeg $AIRSONIC_DIR/data/transcode/ffmpeg
-ln -s /usr/bin/lame $AIRSONIC_DIR/data/transcode/lame
+ln -fs /usr/bin/ffmpeg $AIRSONIC_DIR/data/transcode/ffmpeg
+ln -fs /usr/bin/lame $AIRSONIC_DIR/data/transcode/lame
 
-chown -R $UID:$GID $AIRSONIC_DIR/data $AIRSONIC_DIR/playlists $AIRSONIC_DIR/podcasts
+if [[ $# -lt 1 ]] || [[ ! "$1" == "java"* ]]; then
 
-exec su-exec $UID:$GID tini -- \
-     java -Xmx256m \
+    java_opts_array=()
+    while IFS= read -r -d '' item; do
+        java_opts_array+=( "$item" )
+    done < <([[ $JAVA_OPTS ]] && xargs printf '%s\0' <<<"$JAVA_OPTS")
+    exec java -Xmx256m \
      -Dserver.host=0.0.0.0 \
      -Dserver.port=$AIRSONIC_PORT \
      -Dserver.contextPath=/ \
@@ -16,4 +21,8 @@ exec su-exec $UID:$GID tini -- \
      -Dairsonic.defaultPodcastFolder=$AIRSONIC_DIR/podcasts \
      -Dairsonic.defaultPlaylistFolder=$AIRSONIC_DIR/playlists \
      -Djava.awt.headless=true \
-     -jar airsonic.war
+     "${java_opts_array[@]}" \
+     -jar airsonic.war "$@"
+fi
+
+exec "$@"