add dumb-init to collect orphaned processes such as git-remote-http

Dockerfile

@@ -38,7 +38,7 @@ RUN CGO_ENABLED=0 GOOS=linux go build -ldflags=-buildid= -trimpath -o controller
 # Needs ubuntu for installing git/openssh
 FROM ubuntu:bionic
 
-RUN apt-get update && apt-get install -y git openssh-client && rm -rf /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y git openssh-client dumb-init && rm -rf /var/lib/apt/lists/*
 
 RUN groupadd -g 2000 kapp-controller && useradd -r -u 1000 --create-home -g kapp-controller kapp-controller
 USER kapp-controller
@@ -59,4 +59,4 @@ COPY --from=0 /usr/local/bin/sops .
 COPY --from=0 /usr/local/bin/kapp .
 
 ENV PATH="/:${PATH}"
-ENTRYPOINT ["/kapp-controller"]
+ENTRYPOINT ["dumb-init", "--", "/kapp-controller"]

config/deployment.yml

@@ -20,7 +20,6 @@ spec:
       containers:
       - name: kapp-controller
         image: kapp-controller
-        command: ["/kapp-controller"]
         args:
         #@ if/end data.values.dangerous_allow_shared_service_account:
         - -dangerous-allow-shared-service-account=true