Question
Socket.io error on server with Nginx + node.js + ssl
I don’t understand what the problem is. I tried so many things! This is error what i get!
2021/02/06 01:07:00 [error] 728#728: *1 connect() failed (111: Connection refused) while connecting to upstream, client: 77.219.0.204, server: domens.lv, request: "GET /socket.io/?EIO=4&transport=polling&t=NTqu5wj HTTP/1.1", upstream: "http://127.0.0.1:3000/socket.io/?EIO=4&transport=polling&t=NTqu5wj", host: "domens.lv", referrer: "https://domens.lv/"
Here is my Nginx default
server {
root /var/www/html;
# Add index.php to the list if you are using PHP
index index.html index.htm index.nginx-debian.html;
server_name domen.lv.lv www.domen.lv.lv;
location /socket.io/ {
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "Upgrade";
proxy_set_header Host $host;
proxy_pass http://localhost:3000/socket.io/;
}
location / {
# First attempt to serve request as file, then
# as directory, then fall back to displaying a 404.
proxy_pass http://localhost:3000;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection 'upgrade';
proxy_set_header Host $host;
proxy_read_timeout 96000;
proxy_cache_bypass $http_upgrade;
}
listen [::]:443 ssl ipv6only=on; # managed by Certbot
listen 443 ssl; # managed by Certbot
ssl_certificate /etc/letsencrypt/live/hola.lv/fullchain.pem; # managed by Certbot
ssl_certificate_key /etc/letsencrypt/live/hola.lv/privkey.pem; # managed by Certbot
include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
}
server {
if ($host = www.domen.lv.lv) {
return 301 https://$host$request_uri;
} # managed by Certbot
if ($host = domen.lvlv) {
return 301 https://$host$request_uri;
} # managed by Certbot
listen 80 default_server;
listen [::]:80 default_server;
server_name domen.lv www.hola.lv;
return 404; # managed by Certbot
}
script.js
// connect to main namespace const socket = io('/');
const conversation = document.querySelector('.conversation');
let alreadyTyping = false;
// change the number of online
nginx.conf
user www-data;
worker_processes auto;
pid /run/nginx.pid;
include /etc/nginx/modules-enabled/*.conf;
events {
worker_connections 768;
# multi_accept on;
}
http {
sendfile on;
tcp_nopush on;
tcp_nodelay on;
keepalive_timeout 65;
types_hash_max_size 2048;
include /etc/nginx/mime.types;
default_type application/octet-stream;
ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3; # Dropping SSLv3, ref: POODLE
ssl_prefer_server_ciphers on;
access_log /var/log/nginx/access.log;
error_log /var/log/nginx/error.log;
gzip on;
include /etc/nginx/conf.d/*.conf;
include /etc/nginx/sites-enabled/*;
}
index.html
<script src='/socket.io/socket.io.js'></script>
<script src='./script.js'></script>
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