Docker containers port serve through domains use Nginx-Reverse-Proxy

Nginx-Reverse-Proxy.conf

# Reverse-Proxy - mydomain api & admin 
server {
    listen 443 ssl;
    # listen [::]:443 ssl;

    server_name stage-api-v2.mydomain.com;

    client_max_body_size 100M;

    location / {
      include /etc/nginx/includes/proxy.conf;

      proxy_pass http://localhost:3330;
    }

    ssl_certificate /etc/ssl/stage_v2/__mydomain_com.crt;
    ssl_certificate_key /etc/ssl/stage_v2/private.key;
    # ssl_dhparam /etc/ssl/certs/private/dhparam.pem;

    access_log /var/log/nginx/stage-api-v2.mydomain.com.access.log;
    error_log /var/log/nginx/stage-api-v2.mydomain.com.error.log;
}


# Reverse-Proxy - mydomain admin client_app
server {
    listen 443 ssl;
    # listen [::]:443 ssl;

    server_name stage-admin-v2.mydomain.com;

    client_max_body_size 100M;

    location / {
      include /etc/nginx/includes/proxy.conf;

      proxy_pass http://localhost:3331;
    }

    ssl_certificate /etc/ssl/stage_v2/__mydomain_com.crt;
    ssl_certificate_key /etc/ssl/stage_v2/private.key;
    # ssl_dhparam /etc/ssl/certs/private/dhparam.pem;

    access_log /var/log/nginx/stage-admin-v2.mydomain.com.access.log;
    error_log /var/log/nginx/stage-admin-v2.mydomain.com.error.log;
}

# Proxy-pass - mydomain client app 
server {
    listen 443 ssl;
    # listen [::]:443 ssl;

    server_name stage-v2.mydomain.com;

    client_max_body_size 100M;

    location / {
      include /etc/nginx/includes/proxy.conf;
      
      proxy_pass http://localhost:3332;
    }

    ssl_certificate /etc/ssl/stage_v2/__mydomain_com.crt;
    ssl_certificate_key /etc/ssl/stage_v2/private.key;
    # ssl_dhparam /etc/ssl/certs/private/dhparam.pem;

    access_log /var/log/nginx/stage-v2.mydomain.com.access.log;
    error_log /var/log/nginx/stage-v2.mydomain.com.error.log;
}

proxy.conf

# rewrite ^/(.*) /$1 break;

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 $scheme;

# proxy_buffering off;
# proxy_request_buffering off;
# proxy_http_version 1.1;
# proxy_intercept_errors on;