feat: Add start-container.sh for container initialization, config patching, and orchestrating backend service startup.

Dockerfile

@@ -36,6 +36,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     net-tools \
     iproute2 \
     nano \
+    tini \
     && mkdir -p /etc/apt/keyrings \
     && curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg \
     && echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_22.x nodistro main" | tee /etc/apt/sources.list.d/nodesource.list \
@@ -80,4 +81,6 @@ EXPOSE 7000
 
 USER foxy
 
+ENTRYPOINT ["/usr/bin/tini", "--"]
+
 CMD ["./start-container.sh"]