Update Dockerfile

Author: chienchi

workflows/Nextflow/modules/countFastq/Dockerfile

@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 FROM continuumio/miniconda3:main AS build
-
+ENV version=0.3.0
 ENV container=docker
 
 # add conda channels
@@ -31,4 +31,4 @@ ENV PATH=/venv/bin:$PATH
 RUN apt-get update && apt-get install procps -y && apt-get clean
 
 SHELL ["/bin/bash", "-c"]
-CMD /bin/bash
+CMD /bin/bash