Permit ath-container.sh to be called cross-dir

ath-container.sh

@@ -3,13 +3,15 @@
 set -euo pipefail
 trap 's=$?; echo "$0: Error $s on line "$LINENO": $BASH_COMMAND"; exit $s' ERR
 
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
+
 uid=$(id -u)
 gid=$(id -g)
 tag="jenkins/ath"
 java_version="${java_version:-8}"
 
-docker build --build-arg=uid="$uid" --build-arg=gid="$gid" src/main/resources/ath-container -t "$tag"
+docker build --build-arg=uid="$uid" --build-arg=gid="$gid" "$DIR/src/main/resources/ath-container" -t "$tag"
 
-run_opts="--interactive --tty --rm --publish-all --user ath-user --workdir /home/ath-user/ath-sources --shm-size 2g"
-run_drive_mapping="-v /var/run/docker.sock:/var/run/docker.sock -v $(pwd):/home/ath-user/ath-sources -v ${HOME}/.m2/repository:/home/ath-user/.m2/repository"
+run_opts="--interactive --tty --rm --publish-all --user ath-user --workdir /home/ath-user/sources --shm-size 2g"
+run_drive_mapping="-v /var/run/docker.sock:/var/run/docker.sock -v $(pwd):/home/ath-user/sources -v ${HOME}/.m2/repository:/home/ath-user/.m2/repository"
 docker run $run_opts $run_drive_mapping $tag /bin/bash -c "set-java.sh $java_version; bash"