add: docker file

contrib/docker/Dockerfile

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+FROM phusion/baseimage
+
+ENV GOPATH /v2ray
+ENV PATH $PATH:/usr/local/go/bin
+
+RUN apt-get update
+RUN apt-get install -y git
+RUN apt-get clean
+
+RUN mkdir -p /v2ray/logs
+RUN curl -o /go.tar.gz https://storage.googleapis.com/golang/go1.5.2.linux-amd64.tar.gz
+RUN tar -C /usr/local -xzf /go.tar.gz
+RUN rm /go.tar.gz
+
+
+RUN go get -u github.com/v2ray/v2ray-core
+RUN rm -f $GOPATH/bin/build
+RUN go install github.com/v2ray/v2ray-core/tools/build
+RUN $GOPATH/bin/build
+
+EXPOSE 27183
+ADD server-cfg.json /v2ray/server-cfg.json
+CMD /v2ray/bin/v2ray-custom-linux-64/v2ray --config="/v2ray/server-cfg.json"

contrib/docker/README.md

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+Docker build for v2ray
+=======================
+
+Usage
+-----
+
+To build the image:
+
+```bash
+./build.sh
+```
+
+Then spin up a v2ray instance with:
+
+```bash
+./run.sh
+```
+
+The build script will generate a server config file with random user id. You
+can get it from `server-cfg.json`.
+
+To tail the access log, run:
+
+```bash
+docker exec v2ray tail -F /v2ray/logs/access.log
+```

contrib/docker/build.sh

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+#!/bin/bash
+
+if [ ! -e server-cfg.json ]; then
+        ./gen-server-config.sh
+fi
+
+docker build --rm=true --tag=$USER/v2ray ./

contrib/docker/gen-server-cfg.sh

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+#!/bin/bash
+
+PORT=27183
+
+rand_str () {
+        cat /dev/urandom | tr -dc 'a-f0-9' | fold -w $1 | head -n 1
+}
+
+ID="$(rand_str 8)-$(rand_str 4)-$(rand_str 4)-$(rand_str 4)-$(rand_str 12)"
+
+cat <<EOF > server-cfg.json
+{
+  "port": $PORT,
+  "log" : {
+    "access": "/v2ray/logs/access.log"
+  },
+  "inbound": {
+    "protocol": "vmess",
+    "settings": {
+      "clients": [
+        {"id": "$ID"}
+      ]
+    }
+  },
+  "outbound": {
+    "protocol": "freedom",
+    "settings": {}
+  }
+}
+EOF

contrib/docker/run.sh

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+#!/bin/bash
+
+docker run -d --name=v2ray -p 27183:27183/tcp $USER/v2ray