fix: docker file module syntax

Dockerfile

@@ -18,4 +18,4 @@ to-static-jsonp
 COPY Pipfile Pipfile.lock /app/
 RUN cd /app && pipenv install --system --deploy
 COPY ./export_apkgs /app/export_apkgs
-RUN echo "#!/bin/sh\n$(python-libfaketime)\npython3 -m /app/export_apkgs \$@" > /bin/export_apkgs && chmod +x /bin/export_apkgs
+RUN echo "#!/bin/sh\n$(python-libfaketime)\npython3 -m app.export_apkgs \$@" > /bin/export_apkgs && chmod +x /bin/export_apkgs