w: add docker installation (#152)

install/docker/README.md

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+## 首要条件
+
+本文假设您已经安装了`Docker`、`docker-compose`、`git`。
+
+**未安装请先安装**。
+
+## 开始安装（不建议使用Windows）
+
+1. 请选择磁盘空间富裕的位置，运行下面的命令。
+
+   `git clone https://github.com/hydro-dev/Hydro.git && cd Hydro/install/docker`
+
+2. 启动服务。
+
+   `docker-compose up -d`
+
+因为是在本机制作docker镜像，所以耗时可能会比较久。根据网速情况，大约5到30分钟就可以自动搭建完成，全程无需人工干预。
+
+等命令执行完成，然后运行 `docker ps -a`，当看到所有的容器的状态没有`Exited (x) xxx`就代表 OJ 已经启动成功。
+
+## 注意
+
+安装过程中，会默认注册一个超级管理员账号，用来做测评账号。用户名：`root`，密码：`rootroot`。**请务必及时修改密码**。修改该账号密码后，请修改`data/judge/config/judge.yaml`中的`password`。否则可能会无法测评。
+
+## 测评机默认编译器
+
+测评机默认安装了以下几个编译器，如有需要，请自行安装。
+
+编译器列表：
+
+1. gcc
+2. python3
+3. g++
+4. fp-compiler
+5. openjdk-8-jdk-headless
+6. python
+7. php7.0-cli
+8. rustc
+9. haskell-platform
+10. libjavascriptcoregtk-4.0-bin
+11. golang
+12. ruby
+13. mono-runtime
+14. mono-mcs
+

install/docker/backend/Dockerfile

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+FROM node:14
+
+ADD ./entrypoint.sh /root/entrypoint.sh
+
+RUN yarn global add pm2 hydrooj @hydrooj/ui-default
+
+RUN chmod +x /root/entrypoint.sh
+
+ENTRYPOINT /root/entrypoint.sh

install/docker/backend/entrypoint.sh

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+#!/bin/sh
+
+ROOT=/root/.hydro
+
+mkdir -p $ROOT
+
+if [ ! -f "$ROOT/addon.json" ]; then
+    echo '["@hydrooj/ui-default"]' > "$ROOT/addon.json"
+fi
+
+if [ ! -f "$ROOT/config.json" ]; then
+    # TODO 变成变量
+    echo '{"host": "oj-mongo", "port": "27017", "name": "hydro", "username": "", "password": ""}' > "$ROOT/config.json"
+fi
+
+if [ ! -f "$ROOT/first" ]; then
+    echo "for marking use only!" > "$ROOT/first"
+	hydrooj cli system set file.accessKey "$ACCESS_KEY"
+    hydrooj cli system set file.secretKey "$SECRET_KEY"
+    # TODO 变成变量
+    hydrooj cli system set file.endPoint http://oj-minio:9000/
+
+    hydrooj cli user create systemjudge@systemjudge.local root rootroot
+    hydrooj cli user setSuperAdmin 2
+fi
+
+pm2-runtime start hydrooj

install/docker/docker-compose.yml

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+version: '3.7'
+
+services:
+  oj-minio:
+    image: minio/minio
+    container_name: oj-minio
+    command: server /data
+    restart: always
+    volumes:
+      - ./data/minio:/data
+    environment:
+      - MINIO_ACCESS_KEY=CHANGE_THIS
+      - MINIO_SECRET_KEY=CHANGE_THIS
+    
+  oj-mongo:
+    image: mongo
+    container_name: oj-mongo
+    restart: always
+    volumes:
+      - ./data/mongo:/data/db
+
+  oj-backend:
+    build: ./backend
+    container_name: oj-backend
+    restart: always
+    depends_on:
+      - oj-minio
+      - oj-mongo
+    volumes:
+      - ./data/backend/config:/root/.hydro
+    environment:
+      - ACCESS_KEY=CHANGE_THIS
+      - SECRET_KEY=CHANGE_THIS
+    ports:
+      - "0.0.0.0:80:8888"
+
+  oj-judge:
+    build: ./judge
+    container_name: oj-judge
+    restart: always
+    privileged: true
+    depends_on:
+      - oj-backend
+    volumes:
+      - ./data/judge/config:/root/.config/hydro

install/docker/judge/Dockerfile

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+FROM node:14
+
+ADD ./entrypoint.sh /root/entrypoint.sh
+ADD ./judge.yaml /root/judge.yaml
+
+RUN yarn global add pm2 @hydrooj/hydrojudge && \
+    wget https://s3.undefined.moe/file/executor-amd64 -O /usr/bin/sandbox && \
+    chmod +x /usr/bin/sandbox
+
+RUN apt-get -qq update && \
+    apt-get install -y \
+    gcc \
+    python3 \
+    g++ \
+    fp-compiler \
+    openjdk-8-jdk-headless \
+    python \
+    php7.0-cli \
+    rustc \
+    haskell-platform \
+    libjavascriptcoregtk-4.0-bin \
+    golang \
+    ruby \
+    mono-runtime \
+    mono-mcs
+
+RUN chmod +x /root/entrypoint.sh
+
+ENTRYPOINT /root/entrypoint.sh

install/docker/judge/entrypoint.sh

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+#!/bin/sh
+
+ROOT=/root/.config/hydro
+
+mkdir -p $ROOT
+
+if [ ! -f "$ROOT/judge.yaml" ]; then
+    cp /root/judge.yaml $ROOT
+fi
+
+pm2 start sandbox
+pm2-runtime start hydrojudge

install/docker/judge/judge.yaml

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+hosts:
+  localhost:
+    type: hydro # vj4 用户请在此处填写 vj4
+    server_url: http://oj-backend:8888/ # Hydro 运行的网址
+    uname: root # 评测账号用户名
+    password: rootroot # 评测账号密码
+    detail: true # 默认为 true