Add supervisord-dependent-startup, restructure file layout

Dockerfile

@@ -13,13 +13,19 @@ RUN make clean && make build
 FROM docker:25.0.5-dind
 USER root
 RUN apk add --no-cache \
-  git bash supervisor
+  git bash supervisor python3 py3-pip
+
+RUN pip3 install --break-system-packages supervisord-dependent-startup
 
 COPY --from=builder /opt/src/act_runner/act_runner /usr/local/bin/act_runner
 COPY --from=builder /opt/src/act_runner/scripts/supervisord.conf /etc/supervisord.conf
 COPY --from=builder /opt/src/act_runner/scripts/run.sh /opt/act/run.sh
 COPY --from=builder /opt/src/act_runner/scripts/rootless.sh /opt/act/rootless.sh
 
+COPY /root /
+
+RUN chmod +x /healthcheck.sh
+
 ENV DOCKER_PRUNE_INTERVAL="0 0 * * *"
 
 # Add Crontab for root user