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[Unbound] Added Healthcheck (nslookup)

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This commit is contained in:
DerLinkman 2023-10-11 15:48:25 +02:00
parent 1fda71e4fa
commit eb3be80286
2 changed files with 17 additions and 0 deletions
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5
data/Dockerfiles/unbound/Dockerfile
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@ -18,6 +18,11 @@ EXPOSE 53/udp 53/tcp
COPY docker-entrypoint.sh /docker-entrypoint.sh COPY docker-entrypoint.sh /docker-entrypoint.sh
# healthcheck (nslookup)
COPY healthcheck.sh /healthcheck.sh
RUN chmod +x /healthcheck.sh
HEALTHCHECK --interval=30s --timeout=10s CMD [ "/healthcheck.sh" ]
ENTRYPOINT ["/docker-entrypoint.sh"] ENTRYPOINT ["/docker-entrypoint.sh"]
CMD ["/usr/sbin/unbound"] CMD ["/usr/sbin/unbound"]

12
data/Dockerfiles/unbound/healthcheck.sh Normal file
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@ -0,0 +1,12 @@
#!/bin/bash
nslookup mailcow.email 127.0.0.1 1> /dev/null
if [ $? == 0 ]; then
echo "DNS resolution is working!"
exit 0
else
echo "DNS resolution is not working correctly..."
echo "Maybe check your outbound firewall, as it needs to resolve DNS over TCP AND UDP!"
exit 1
fi