diff --git a/Dockerfile b/Dockerfile
index 1085dad..413b36f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -27,8 +27,8 @@ RUN \
   rm -rf /tmp/pgbouncer*  && \
   apk del --purge autoconf autoconf-doc automake udns-dev curl gcc libc-dev libevent-dev libtool make openssl-dev pkgconfig
 
-ADD run-pg-bouncer.sh /usr/bin/
+ADD --chmod=777 run-pg-bouncer.sh /usr/bin/
 
 USER postgres
 EXPOSE 5432
-ENTRYPOINT ["/usr/bin/run-pg-bouncer.sh"]
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+CMD ["sh", "/usr/bin/run-pg-bouncer.sh"]
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