Replace tini with dumb-init

dumb-init is more actively maintained, available on pypi, and already used for both upstream and downstream EEs

tools/ansible/roles/dockerfile/templates/Dockerfile.j2

@@ -120,11 +120,7 @@ RUN curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/master
     chmod 700 get_helm.sh && \
     ./get_helm.sh
 
-# Install tini
-RUN curl -L -o /usr/bin/tini https://github.com/krallin/tini/releases/download/v0.19.0/tini-{{ tini_architecture | default('amd64') }} && \
-    chmod +x /usr/bin/tini
-
-RUN pip3 install virtualenv supervisor
+RUN pip3 install virtualenv supervisor dumb-init
 
 RUN rm -rf /root/.cache && rm -rf /tmp/*
 
@@ -293,7 +289,7 @@ CMD ["/bin/bash"]
 USER 1000
 EXPOSE 8052
 
-ENTRYPOINT ["/usr/bin/tini", "--"]
+ENTRYPOINT ["dumb-init", "--"]
 CMD /usr/bin/launch_awx.sh
 VOLUME /var/lib/nginx
 VOLUME /var/lib/awx/.local/share/containers

tools/docker-compose/launch_awx.sh

@@ -5,4 +5,4 @@ bootstrap_development.sh
 
 cd /awx_devel
 # Start the services
-exec tini -- make supervisor
+exec make supervisor