Merge pull request #8 from fbladilo/add_tini

Add tini support

Author: fbladilo

.gitmodules

@@ -2,3 +2,6 @@
 	path = hack/build/seed
 	url = https://github.com/konveyor/tackle2-seed
 	branch = main
+[submodule "hack/build/tini"]
+	path = hack/build/tini
+	url = https://github.com/krallin/tini.git

hack/build/tini

@@ -9,13 +9,21 @@ RUN make vet && CGO_ENABLED=1 go build -tags json1,strictfipsruntime -o bin/hub
 # Remove AKS label from Azure target, assumes Azure is the last target listed
 RUN sed -i -e '/Azure\ Kubernetes\ Service/,$d' /workspace/hack/build/seed/resources/targets.yaml
 
+# Tini only available in EPEL for now (01/26/2026)
+FROM registry.redhat.io/ubi9:latest as tini-builder
+COPY --from=builder /workspace/hack/build/tini/ /workspace
+RUN dnf install -y cmake make gcc gcc-c++ glibc-static && dnf -y clean all
+WORKDIR /workspace
+RUN cmake . && make tini && ./tini --version
+
 FROM brew.registry.redhat.io/rh-osbs/mta-mta-static-report-rhel9:8.0.0 as report
 
 FROM registry.redhat.io/ubi9:latest
 ARG VERSION=${BUILD_VERSION}
 RUN dnf -y install openssl sqlite && dnf -y clean all
 RUN echo "hub:x:1001:0:hub:/:/sbin/nologin" >> /etc/passwd
 
+COPY --from=tini-builder /workspace/tini /usr/bin/tini
 COPY --from=builder /workspace/bin/hub /usr/local/bin/mta-hub
 COPY --from=builder /workspace/internal/auth/roles.yaml /tmp/roles.yaml
 COPY --from=builder /workspace/internal/auth/users.yaml /tmp/users.yaml
@@ -25,7 +33,7 @@ COPY --from=report  /usr/local/static-report /tmp/analysis/report
 
 RUN echo "${VERSION}" > /etc/hub-build
 
-ENTRYPOINT ["/usr/local/bin/mta-hub"]
+ENTRYPOINT ["/usr/bin/tini", "--",  "/usr/local/bin/tackle-hub"]
 
 LABEL \
         description="Migration Toolkit for Applications - Hub" \