Add a default health check

With a check as part of the image, users don't have to configure the checks themselves in a Compose file, for example.
klutchell · Sep 16, 2024 · ad43719 · ad43719
1 parent 39616ea
commit ad43719
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diff --git a/Dockerfile b/Dockerfile
@@ -161,4 +161,6 @@ RUN [ "drill", "-v" ]
 # hadolint ignore=DL3059
 RUN [ "dig", "-v" ]
 
+HEALTHCHECK --interval=30s --timeout=30s --start-period=30s --retries=3 CMD ["drill", "@127.0.0.1", "cloudflare.com"]
+
 ENTRYPOINT [ "unbound" ]
diff --git a/examples/pi-hole/docker-compose.yml b/examples/pi-hole/docker-compose.yml
@@ -31,7 +31,7 @@ services:
       default:
         ipv4_address: 172.28.0.2
     healthcheck:
-      test: ["CMD", "dig", "-p", "53", "dnssec.works", "@127.0.0.1"]
+      test: ["CMD", "drill", "@127.0.0.1", "dnssec.works"]
       interval: 30s
       timeout: 30s
       retries: 3