When using COPY with more than one source file, the destination must be a directory and end with a /
@@ -3,7 +3,7 @@ MAINTAINER Mikolaj Pawlikowski <mikolaj@pawlikowski.pl>
WORKDIR /powerfulseal
-COPY powerfulseal Makefile LICENSE README.md setup.py /powerfulseal
+COPY powerfulseal Makefile LICENSE README.md setup.py /powerfulseal/
RUN pip install -e .
ENTRYPOINT ["powerfulseal"]
\ No newline at end of file
