prepare for docker

docker/.gitignore

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+config/

docker/Dockerfile

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+FROM golang:alpine
+
+RUN echo "http://dl-cdn.alpinelinux.org/alpine/edge/testing/" >> /etc/apk/repositories && \
+    apk add --update openvpn iptables bash git python3 shadow neovim linux-headers musl-dev 3proxy ip6tables gcc && \
+    rm -rf /tmp/* /var/tmp/* /var/cache/apk/* /var/cache/distfiles/*
+
+CMD tail -f /dev/null
+

docker/docker-compose.yml

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+version: '3.4'
+
+services:
+  ovpn_lb_test:
+    build: .
+    container_name: ovpn_lb_test
+    ports:
+      - 127.0.0.1:8000:8000
+      - 127.0.0.1:7000:7000
+      - 127.0.0.1:7001:7001
+    volumes:
+      - /dev/net:/dev/net:z
+      - ./config:/config
+    cap_add:
+      - net_admin
+