There is no `dukegcb/preseq` container on dockerhub: [preseq/2.0/Dockerfile](https://github.com/Duke-GCB/GCB-Dockerfiles/blob/master/preseq/2.0/Dockerfile) There is also no `dukegcb/samtools` container on dockerhub: [samtools/1.3/Dockerfile](https://github.com/Duke-GCB/GCB-Dockerfiles/blob/master/samtools/1.3/Dockerfile)
There is no
dukegcb/preseqcontainer on dockerhub: preseq/2.0/DockerfileThere is also no
dukegcb/samtoolscontainer on dockerhub: samtools/1.3/Dockerfile