Initial OpenWrt RMM implementation

deploy/tunnel/Dockerfile

@@ -0,0 +1,15 @@
+FROM alpine:3.21
+
+RUN apk add --no-cache openssh-server
+
+COPY sshd_config /etc/ssh/sshd_config
+COPY entrypoint.sh /usr/local/bin/tunnel-entrypoint
+RUN chmod 0755 /usr/local/bin/tunnel-entrypoint
+
+EXPOSE 22 22000-22099
+VOLUME ["/data"]
+
+HEALTHCHECK --interval=15s --timeout=3s --start-period=5s --retries=3 \
+  CMD ssh-keyscan -T 2 -p 22 127.0.0.1 >/dev/null 2>&1 || exit 1
+
+ENTRYPOINT ["/usr/local/bin/tunnel-entrypoint"]