FROM debian:stable-slim RUN apt update && apt install -y ca-certificates COPY proxy12345 /usr/local/bin/proxy12345 RUN chmod +x /usr/local/bin/proxy12345 EXPOSE 12345 CMD ["/usr/local/bin/proxy12345", "--config", "/etc/proxy12345/config.yml"]
D. For custom binary, same steps as Debian: place in /usr/local/bin, create /etc/proxy12345, systemd unit, enable service. proxy 12345 install
sudo nano /etc/squid/squid.conf