Fixed docker file release version generation 
Fixed docker file release version generation 
nextflow-io/nextflow,heuermh/nextflow,heuermh/nextflow,nextflow-io/nextflow,robsyme/nextflow,nextflow-io/nextflow,robsyme/nextflow,nextflow-io/nextflow,heuermh/nextflow,robsyme/nextflow,robsyme/nextflow,nextflow-io/nextflow,heuermh/nextflow,robsyme/nextflow,heuermh/nextflow