nginx http redirect to localhost - nginx

Question

So I have an application running on http://localhost:3000. I want to expose it to other people using nginx. I redirect http connection to https using the following configuration:
server {
listen 80 default;
server_name www.example.com;
return 301 https://$server_name$request_uri;
}
The issue is when I try to access www.example.com or http://www.example.com, it redirects me to https://localhost/ instead of https://www.example.com.
https://www.example.com redirects as intended.
For your information, www.example.com is an internal domain.
All my configuration :
user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;
# Load dynamic modules. See /usr/share/nginx/README.dynamic.
include /usr/share/nginx/modules/*.conf;
events {
worker_connections 1024;
}
http {
# Disable sending the server identification
server_tokens off;
# Prevent displaying Botpress in an iframe (clickjacking protection)
add_header X-Frame-Options SAMEORIGIN;
# Prevent browsers from detecting the mimetype if not sent by the server.
add_header X-Content-Type-Options nosniff;
# Force enable the XSS filter for the website, in case it was disabled manually
add_header X-XSS-Protection "1; mode=block";
log_format main '$remote_addr - $remote_user [$time_local] "$request" '
'$status $body_bytes_sent "$http_referer" '
'"$http_user_agent" "$http_x_forwarded_for"';
access_log /var/log/nginx/access.log main;
# Load modular configuration files from the /etc/nginx/conf.d directory.
include /etc/nginx/conf.d/*.conf;
# Redirect unsecure requests to the HTTPS endpoint
server {
listen 80 default;
server_name www.example.com;
return 301 https://$server_name$request_uri;
}
server {
listen 443 http2 ssl;
server_name www.example.com;
ssl_certificate cert.pem;
ssl_certificate_key cert.key;
# Force the use of secure protocols only
ssl_prefer_server_ciphers on;
ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
# Enable session cache for added performances
ssl_session_cache shared:SSL:50m;
ssl_session_timeout 1d;
ssl_session_tickets off;
# Added security with HSTS
add_header Strict-Transport-Security "max-age=31536000; includeSubdomains; preload";
# We need to add specific headers so the websockets can be set up through the reverse proxy
location /socket.io/ {
proxy_pass http://localhost:3000/socket.io/;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "Upgrade";
}
# All other requests should be directed to the server
location / {
proxy_pass http://localhost:3000;
}
}
}
Thanks in advance for any help,

Answer 1

As #johnsing stated in the comment section, removing default and clearing the cache did the job.