echo $(dd if=/dev/urandom | base64 -w0 | dd bs=1 count=20 2>/dev/null)

curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add -
curl -fsSL https://deb.nodesource.com/setup_current.x | bash -
echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list
apt-key adv --recv-keys --keyserver hkp://keyserver.ubuntu.com:80 0xF1656F24C74CD1D8
apt install -y software-properties-common
add-apt-repository 'deb [arch=amd64,arm64,ppc64el] http://mirrors.tuna.tsinghua.edu.cn/mariadb/repo/10.3/ubuntu focal main'
add-apt-repository ppa:chris-lea/redis-server # Ubuntu 20.04 不需要执行这条
apt update
apt install -y git mariadb-server redis-server nodejs yarn p7zip-full clang-format

rm -rf /opt/syzoj /etc/systemd/system/syzoj*
mkdir -p /opt/syzoj
cd /opt/syzoj
git clone https://github.com/syzoj/syzoj web
cd web
yarn

mkdir -p /opt/syzoj/config
cp /opt/syzoj/web/config-example.json /opt/syzoj/config/web.json
ln -s ../config/web.json /opt/syzoj/web/config.json

mv /opt/syzoj/web/uploads /opt/syzoj/data
ln -s ../data /opt/syzoj/web/uploads
mkdir /opt/syzoj/sessions
ln -s ../sessions /opt/syzoj/web/sessions

adduser --disabled-password --gecos "" syzoj # 以用户名 syzoj 为例
chown -R syzoj:syzoj /opt/syzoj/data /opt/syzoj/sessions /opt/syzoj/config/web.json

CREATE DATABASE `syzoj` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
GRANT ALL PRIVILEGES ON `syzoj`.* TO "syzoj"@"localhost" IDENTIFIED BY "<FILLYOURPASSWORDHERE>";
FLUSH PRIVILEGES;

cd /opt/syzoj/web && node app.js

[Unit]
Description=SYZOJ web service
After=network.target mysql.service rc-local.service
Requires=mysql.service rc-local.service

[Service]
Type=simple
WorkingDirectory=/opt/syzoj/web
User=syzoj
Group=syzoj
ExecStart=/usr/bin/env NODE_ENV=production /usr/bin/node /opt/syzoj/web/app.js -c /opt/syzoj/config/web.json
RemainAfterExit=yes

[Install]
WantedBy=multi-user.target

map $http_upgrade $connection_upgrade {
default upgrade;
'' close;
}

server {
listen 80;
listen [::]:80;

server_name syzoj.example.com;

location / { proxy_http_version 1.1; proxy_set_header X-Forwarded-For proxy_add_x_forwarded_for; proxy_set_header X-Forwarded-Proto scheme; proxy_set_header X-Real-IP $remote_addr; proxy_set_header Upgrade$http_upgrade; proxy_set_header Host $host; proxy_set_header Connection$connection_upgrade; proxy_pass http://127.0.0.1:5283; }

}