corrected creation of alpine docker image

buildScripts/createAlpineTarFile

@@ -37,9 +37,9 @@ make install                                  \
   datadir=$PDF2HTMLEX_PREFIX/share/pdf2htmlEX \
   DESTDIR=../imageBuild/alpineTarDir
 
-cd ../imageBuild
+cd ../imageBuild/alpineTarDir
 
-tar czvf $ALPINE_NAME.tar.gz alpineTarDir
+tar czvf ../$ALPINE_NAME.tar.gz --owner=root --group=root *
 
 cat <<ALPINE_INSTALL > $ALPINE_NAME.install
 #!/bin/sh
@@ -71,9 +71,7 @@ apk add --no-cache \
 # Now we install the (Alpine $DIST) compiled pdf2htmlEX binaries and 
 # configuration files. 
 #
-cd /
-#
-tar xvf $ALPINE_NAME.tar.gz --strip-comonents=1
+tar xvf $ALPINE_NAME.tar.gz -C /
 
 ALPINE_INSTALL
 

buildScripts/createDockerAlpineImageFromTarFile

@@ -55,8 +55,10 @@ FROM $DOCKER_FROM
 
 COPY ./$ALPINE_NAME.* /root/
 
-RUN chmod a+x /root/$ALPINE_NAME.install && \
-  /root/$ALPINE_NAME.install
+WORKDIR /root
+
+RUN chmod a+x $ALPINE_NAME.install && \
+  ./$ALPINE_NAME.install
 
 ENTRYPOINT ["$PDF2HTMLEX_PREFIX/bin/pdf2htmlEX"]
 DOCKERFILE_HERE_DOC

buildScripts/getBuildToolsAlpine

@@ -16,6 +16,7 @@ set -ev
 sudo apk update
 sudo apk add   \
   sudo         \
+  tar          \
   wget         \
   git          \
   pkgconfig    \