diff --git a/Dockerfile b/Dockerfile
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--- /dev/null
+++ b/Dockerfile
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+FROM ubuntu:18.04 
+
+RUN apt-get update && apt-get install -y curl gnupg bash squid
+
+# zerotier
+RUN curl -s https://install.zerotier.com | bash
+
+# ZeroTier relies on UDP port 9993
+EXPOSE 9993/udp
+
+RUN mkdir -p /var/lib/zerotier-one
+
+COPY ./main.sh /main.sh
+RUN chmod 0755 /main.sh
+
+ENTRYPOINT ["/main.sh"]
+
diff --git a/main.sh b/main.sh
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+++ b/main.sh
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+#!/bin/bash
+# start zerotier service
+zerotier-one -d
+
+# start squid
+squid
+
+while sleep 60; do
+  ps aux | grep zerotier |grep -q -v grep
+  PROCESS_1_STATUS=$?
+  ps aux |grep squid |grep -q -v grep
+  PROCESS_2_STATUS=$?
+  # If the greps above find anything, they exit with 0 status
+  # If they are not both 0, then something is wrong
+  if [ $PROCESS_1_STATUS -ne 0 -o $PROCESS_2_STATUS -ne 0 ]; then
+    echo "One of the processes has already exited."
+    exit 1
+  fi
+done
+