添加Git用户

groupadd git
useradd git -g git -s /bin/false

更新Git,IUS源依赖EPEL源

yum install epel-release -y
rpm -Uvh https://centos7.iuscommunity.org/ius-release.rpm
yum remove git -y
yum install git2u -y

获取程序

mkdir -p /data/gitea /var/log/gitea
wget https://dl.gitea.io/gitea/1.11.1/gitea-1.11.1-linux-amd64.xz -O /data/gitea/gitea
chmod +x /data/gitea/gitea
chown -R git:git /data/gitea /var/log/gitea

添加为服务

vi /etc/systemd/system/gitea.service
内容为：

[Unit]
Description=Gitea (Git with a cup of tea)
After=syslog.target
After=network.target
#After=mysqld.service
#After=postgresql.service
#After=memcached.service
#After=redis.service

[Service]
# Modify these two values and uncomment them if you have
# repos with lots of files and get an HTTP error 500 because
# of that
###
#LimitMEMLOCK=infinity
#LimitNOFILE=65535
RestartSec=2s
Type=simple
User=git
Group=git
WorkingDirectory=/data/gitea
ExecStart=/data/gitea/gitea web
Restart=always
Environment=USER=git HOME=/data/gitea

[Install]
WantedBy=multi-user.target

启动服务

service gitea restart 
chkconfig gitea on

nginx 代理示例

server {
        listen 80;
        server_name git.me.com;
        rewrite ^(.*)$  https://git.me.com$1 permanent;
}

server
    {
        listen 443 ssl;
        server_name git.me.com;
        add_header Strict-Transport-Security "max-age=63072000; includeSubdomains; preload";
        ssl_certificate /web/ssl/git.me.com_bundle.crt;
        ssl_certificate_key /web/ssl/git.me.com.key;
        ssl_session_cache shared:SSL:10m;
        ssl_session_timeout 1440m;
    ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
    ssl_prefer_server_ciphers on;
    ssl_session_tickets on;
    ### openssl rand -out session_ticket.key 48
    ssl_session_ticket_key /web/ssl/session_ticket.key;


        location / {
                proxy_pass http://127.0.0.1/;
                proxy_redirect off;
                proxy_set_header Host $host;
                proxy_set_header X-Real-Ip $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        }
    }