Update Dockerfile

joal/Dockerfile

@@ -4,6 +4,9 @@ FROM $BUILD_FROM
 
 VOLUME [ "/data" ]
 
+# Set shell
+SHELL ["/bin/bash", "-o", "pipefail", "-c"]
+
 RUN \
 #Install bashio
     apt-get update \
@@ -21,7 +24,7 @@ RUN \
     && ln -s /usr/lib/bashio/bashio /usr/bin/bashio \
     \
 #Install Joal
-    &&  curl -J -L -o /tmp/joal.tar.gz "https://github.com/anthonyraymond/joal/releases/download/{$BUILD_VERSION}/joal.tar.gz" \
+    &&  curl -J -L -o /tmp/joal.tar.gz "https://github.com/anthonyraymond/joal/releases/download/${BUILD_VERSION}/joal.tar.gz" \
     && mkdir -p /data/joal \
     && tar zxvf /tmp/joal.tar.gz -C /data/joal \
     && chown -R $(id -u):$(id -g) /data/joal \