diff --git a/Dockerfile b/Dockerfile
index a5ae177..b866739 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,11 +4,14 @@ MAINTAINER Peter Dave Hello <hsu@peterdavehello.org>
 
 RUN echo '@edge http://dl-cdn.alpinelinux.org/alpine/edge/community' >> /etc/apk/repositories && \
     apk -U upgrade && \
-    apk -v add tor@edge && \
+    apk -v add tor@edge curl && \
     rm -rf /var/cache/apk/*
 RUN tor --version
 ADD torrc /etc/tor/
 
+HEALTHCHECK --timeout=10s --start-period=60s \
+    CMD curl --fail --socks5-hostname localhost:9150 -I -L 'https://cdnjs.com/' || exit 1
+
 EXPOSE 9150
 
 CMD /usr/bin/tor -f /etc/tor/torrc