certbot 用来申请SSL证书也是极好的，够用的，acme.sh 很多人推荐，我自己也star了好多年，一直拖着想尝试，最近试了下，用起来还是不错，
github地址：https://github.com/acmesh-official/acme.sh
nginx配置
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| server {
listen 80;
server_name api.xxxxx.cn;
location / {
proxy_pass http://127.0.0.1:5015;
}
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申请证书
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| acme.sh --issue --nginx -d api.xxxx.cn --force
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acme.sh 脚本默认 CA 服务器是 ZeroSSL, 国内访问经常抽风, 多等等也许会好
也可以切换到 Let’s Encrypt]
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| acme.sh --set-default-ca --server letsencrypt
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安装证书
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| mkdir -p /etc/nginx/ssl/api.xxxx.cn
acme.sh --install-cert -d api.xxxx.cn \
--key-file /etc/nginx/ssl/api.xxxx.cn/key.pem \
--fullchain-file /etc/nginx/ssl/api.xxxx.cn/fullchain.pem \
--reloadcmd "nginx -s reload"
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配置nginx
配置完毕，重启nginx，然后没啥事儿了
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server {
listen 80;
server_name api.xxxx.cn;
#ACME_NGINX_START
location ~ "^/\.well-known/acme-challenge/([-_a-zA-Z0-9]+)$" {
default_type text/plain;
return 200 "$1.2THoePkTTzFjYUI_9CZXr7mt5Li4ESUg3DtzLyuQsm0";
}
#NGINX_START
return 301 https://$host$request_uri;
}
# HTTPS
server {
listen 443 ssl ;
server_name api.xxxx.cn;
ssl_certificate /etc/nginx/ssl/api.xxxx.cn/fullchain.pem;
ssl_certificate_key /etc/nginx/ssl/api.xxxx.cn/key.pem;
ssl_protocols TLSv1.2 TLSv1.3;
ssl_prefer_server_ciphers on;
location / {
proxy_pass http://127.0.0.1:5015;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto https;
# WebSocket（安全保留）
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
}
}
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