restre no cache

Author: valscherz

build_n_validate_docker.sh

@@ -12,6 +12,7 @@ echo $3
 docker build . \
     -t metagenlab/amplicon_pipeline:$VERSION \
     -f ./Dockerfile \
+    --no-cache \
     --build-arg GITHUB_AT=$GITHUBAT \
     --build-arg TEST_CPU=$CPU && \
 docker build . \