May be this makes more sense.

mihxil · mihxil · commit 69e46abc7dd7 · 2022-11-15T15:25:27.000+01:00
diff --git a/docker/make/Dockerfile b/docker/make/Dockerfile
@@ -1,7 +1,7 @@
 FROM mihxil/npo-pyapi:latest
 
 RUN   apk add --no-cache git make bash gnuplot && \
-      RUN pip3 install chevron
+      pip3 install chevron
 # chevron is mustache engine, used by python/vpro \
 
 ENTRYPOINT ["/bin/bash"]
