(socks-proxy) remove netcat dependancy

Author: zeylos

src/socks-proxy/Dockerfile

@@ -22,16 +22,10 @@ EOR
 
 FROM debian:trixie-slim AS runtime
 
-RUN <<EOR
-apt-get update
-DEBIAN_FRONTEND="noninteractive" apt-get install -y netcat-traditional
-rm -rf /var/lib/apt/lists/*
-EOR
-
 COPY --from=base /usr/local/sbin/sockd /usr/local/sbin/sockd
 COPY --chmod=0755 entrypoint.sh /entrypoint.sh
 
 ENTRYPOINT ["/entrypoint.sh"]
-HEALTHCHECK --interval=1m --timeout=3s --start-interval=5s \
-  CMD nc -zv localhost ${PROXY_INTERNAL_PORT:-1080}
+HEALTHCHECK --interval=30s --timeout=3s --start-interval=5s \
+  CMD cat /proc/$(cat /var/run/sockd.pid)/status | grep State | grep -E 'R \(running\)|S \(sleeping\)'
 CMD ["/usr/local/sbin/sockd"]