revised workflow

workflow.wdl

@@ -10,8 +10,14 @@ workflow {{ project_name }} {
     File idx
 	String idx_prefix
     File gtf
-	String docker
-	String cluster
+	String hisat2_docker
+	String hisat2_cluster
+	String stringtie_docker
+	String stringtie_cluster
+	String samtools_docker
+	String samtools_cluster
+	String ballgown_docker
+	String ballgown_cluster
 	
 	
 	call hisat2.hisat2 as hisat2 {