added Dockerfile

Dockerfile

Dockerfile

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+FROM ubuntu:18.04
+LABEL maintainer "Mehran <it@mehran.co>"
+
+
+RUN apt-get update && apt-get install -y \
+    wget \
+    software-properties-common \
+    net-tools \
+    curl \
+    iproute2 \
+    iptables \
+    --no-install-recommends \
+    && mkdir openvpn && cd openvpn \
+    && wget https://git.io/vpn -O openvpn-install.sh
+    
+
+WORKDIR /openvpn
+ENTRYPOINT ["bash"]