happyDomain/checker-delegation
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docker: add HEALTHCHECK probing /health

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The binary doubles as its own healthcheck client via the SDK's
-healthcheck flag, so the probe works in the scratch image
(no shell, no curl, no wget).
This commit is contained in:
nemunaire 2026-04-26 10:53:12 +07:00
commit c0a9623ee0
3 changed files with 5 additions and 3 deletions
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2
Dockerfile
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@ -12,4 +12,6 @@ FROM scratch
COPY --from=builder /checker-delegation /checker-delegation COPY --from=builder /checker-delegation /checker-delegation
USER 65534:65534 USER 65534:65534
EXPOSE 8080 EXPOSE 8080
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
CMD ["/checker-delegation", "-healthcheck"]
ENTRYPOINT ["/checker-delegation"] ENTRYPOINT ["/checker-delegation"]

2
go.mod
View file

@ -3,7 +3,7 @@ module git.happydns.org/checker-delegation
go 1.25.0 go 1.25.0
require ( require (
git.happydns.org/checker-sdk-go v1.4.0 git.happydns.org/checker-sdk-go v1.5.0
github.com/miekg/dns v1.1.72 github.com/miekg/dns v1.1.72
) )

4
go.sum
View file

@ -1,5 +1,5 @@
git.happydns.org/checker-sdk-go v1.4.0 h1:sO8EnF3suhNgYLRsbmCZWJOymH/oNMrOUqj3FEzJArs= git.happydns.org/checker-sdk-go v1.5.0 h1:5uD5Cm6xJ+lwnhbJ09iCXGHbYS9zRh+Yh0NeBHkAPBY=
git.happydns.org/checker-sdk-go v1.4.0/go.mod h1:aNAcfYFfbhvH9kJhE0Njp5GX0dQbxdRB0rJ0KvSC5nI= git.happydns.org/checker-sdk-go v1.5.0/go.mod h1:aNAcfYFfbhvH9kJhE0Njp5GX0dQbxdRB0rJ0KvSC5nI=
github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI= github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
github.com/miekg/dns v1.1.72 h1:vhmr+TF2A3tuoGNkLDFK9zi36F2LS+hKTRW0Uf8kbzI= github.com/miekg/dns v1.1.72 h1:vhmr+TF2A3tuoGNkLDFK9zi36F2LS+hKTRW0Uf8kbzI=