Add uptime-kuma image with tailscale

uptime-kuma-tailscale/Dockerfile

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+# Uptime Kuma image with an ephemeral Tailscale daemon included
+# Used on fly.io because it does not support sidecar containers
+# The tailscale ephemeral key should be provided via the env variable TAILSCALE_KEY
+# custom tailscale control plane can be specified with TAILSCALE_SERVER
+FROM louislam/uptime-kuma:1.18.5
+# Default tailscale login server
+ENV TAILSCALE_SERVER=https://controlplane.tailscale.com
+ENV TAILSCALE_HOSTNAME=uptime-kuma
+
+RUN apt update && apt install -y curl bash iptables
+
+RUN curl -fsSL https://pkgs.tailscale.com/stable/debian/bullseye.noarmor.gpg | tee /usr/share/keyrings/tailscale-archive-keyring.gpg
+RUN curl -fsSL https://pkgs.tailscale.com/stable/debian/bullseye.tailscale-keyring.list | tee /etc/apt/sources.list.d/tailscale.list
+
+RUN apt update && apt install -y tailscale
+
+COPY run.sh /
+
+RUN chmod +x /run.sh
+
+CMD [ "/run.sh" ]

uptime-kuma-tailscale/run.sh

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+#!/usr/bin/env bash
+
+/usr/sbin/tailscaled -state=mem: &
+sleep 1
+tailscale up --login-server=$TAILSCALE_SERVER --authkey=$TAILSCALE_KEY --hostname=$TAILSCALE_HOSTNAME
+node /app/server/server.js